aRout or Street No------ --------
t:7y or To.w. ---- -----------_- ___
7'i-: ^f~- -----------------------------
This circular will be sent regularly to all who apply for it.
United States Department of Agriculture,
..WAsHINGTON, D. C., April 30, 1919.
S" MONTHLY LIST OF PUBLICATIONS.
READ CAREFULLY BEFORE ORDERING.
.~it'Seni4 no remittances to the U. S. Department of Agriculture.
,f:g any.of the publications listed herein, except those otherwise
may be obtained free upon application to the Chief of the Division of
nations, United States Department of Agriculture, Washington, D. C., as
~sth 4epatment's supply lasts.
ir s eiepairtment's supply is exhausted, publications can still be ob-
fro, 4he Superintendent- of Documents, Government Printing Office,
gt. C., but by purchase only, and at the prices noted herein.
S ilremittances to the Superintendent of Documents direct. His
.'s nota part-of the Department of Agriculture.
ii ::, .-:ir FARMERS' BULLETINS-FOR FREE DISTRIBUTION.
--':The department's supply of the current numbers ot Farmers' Bulletins iq
:SaiiffientV to make it possible to send them free to all applicants. They are
JM4Sdale at 5 eants per copy.
S Splteap Sterilizer for Farm Dairy Utensils. By S. Henry Ayers and
,i:t.ge' i B. Taylor, Dairy Division. Pp. 16, il. Contribution from the Bu-
tlof-Aniimal Industry. (Farmers' Bulletin 748, Revised.)
i:br- general distribution.
Weieolly White Fly in Florida Citrus Groves; By W. W. Others, Entomo-
lbgica Assistant, Tropical and Subtropical Fruit InZect Iihvestigations.
44 .figs. 8. Contribution from the Bureau of Entomology. (Farmers'
.tes the life history and habits of this insect and suggests methods for its
SCiu1ture: South Atlantic and Gulf Coast Regions. By George M.
SScientific Assistant, Office of Horticultural and Pouological Inves-
'Pp. 40, figs. 35. Contribution from the Bureau of Plant Indus-
eariers' Bulletin 1026.)
~ti.tbutlon in the coastal plain region In the states of Texas, Louisiana, Mis-
rAS.l.bama,:Georgia, Florid, Northand. South Carolina, Virginia, and Arkansas.
I lture: Western United States. By George M. Darrow, Scientific
li.o e of t'ortiffdtiural und 'Pomoldgical Investigations. Pp. 29,
I Contribution from the Bureau of Plant Industry. (Farmers'
uimetZe ilplptic t. tlfhat part of the United- States in which ordinary farm
*, .lt-argly. l.dqr irrigation .
... .. :. .... .
:i ; :i s !!, :i !] :.:.:: i.: .:.. :
Contains instructions for planting, cultivating, tertilzing,.harvesting and marlret'. r
ing, and methods of canning and preserving the fruit.
Conserving Corn from Weevils in the Gulf Coast States. By E. A. Back, E ft I..::ii.
tomologist in Charge of Stored-Product Insect Investigations. Pp. 36, fig&
21. Contribution from the Bureau of Entomology. (Farmers' Bulletil.ii.':
For distribution among corn growers in the southern states especially.
Feeding Horses. By G. A. Bell and J. O. Williams, Animal Husbandry Di. L~t; .
vision, Pp. 24. Contribution from the Bureau of Animal Industry.
(Farmers' Bulletin 1030.)
This bulletin explains the computation of rations for horses, suggests certain feed
combinations which approximately meet the needs of horses under differing condi-
tions, and reviews such factors of feeding as tend to make the horse more efficient.
Fig Growing in the South Atlantic and Gulf States. By H. P. Gould, Pomolo-
gist, Horticultural and Pomological Investigations, with contributions from
others. Pp. 47, figs. 24. Contribution from the Bureau of Plant Industry.
(Farmers' Bulletin 1031.) J-:;-.. ._..,
This bulletin describes the varieties of figs most suitable for the South Atlantic and
Gulf States, tells how to grow them and protect them from diseases and, insects, and
suggests methods of making them into desirable products for the table,.'
Muscadine Grape Paste. By Charles Dearing, Assistant Horticultiuristr Office
of Horticultural and Pomological Investigations. Pp. 15.. Contribution
from the Bureau of Plant Industry. (Farmers' Bulletin 1033.)
Gives directlons for securing suitable fruit, the extrabtfoa of the p'ilj, and the
S sweetening, cooking, drying, and storing of the product, as well as the madkitng e
various combinations, fancy pastes, and pastes from other fruits.
Care and Repair of Farm Implements. No. 5. Grain Separators, By Elmer
Johnson, Assistant Mechanical Engineer. Pp. 20, figs. 3. Contribution
from the Bureau of Public Roads. (Farmers' Bulletin 1036.)
This bulletin gives instructions for overhauling and adjusting separators which
will reduce to the minimum the losses and delays from breaddowns during the oprat-
Strawberry Varieties in the United States. By George M. Darrow, Scientific
Assistant, Office of Horticultural and Pomological Investigattious. Pp. 36,
figs. S. Contribution from the Bureau of Plant Industry. (Farmers' Bul-
This bulletin is Intended as an aid to strawberry growers i' thie selection oi V'rie-
ties best suited to their needs and conditions.
The European Corn Borer, a Menace to the Country's Corn Crop., By D. J.
Caffrey, Scientific Assistant, Cereal and Forage Insect Investigations. Pp.
28, figs. 17. Contribution from the Bureau of Entomology. (Farmers'
Describes the life history and habits of this insect, and eaggcsts methods of con-
trol and eradication.
t'The publications listed below are technical or scientific treatiees or bulletin apply-
ing to a special industry or locality. The edition Is limited, but they will be furnished
free to persons who can use such specialized information, as long as the supply lasts.
However, to insure prompt receipt, remit price to the Superlitendent of Documents.
Digestibility of Certain Miscellaneous Animal Fats. By Arthur D. Holmes,
Specilaist in Charge of Digestion Experiments, Office of Home Economics.
Pp. 25. Contribution from the States Relations Service. (Professional
Paper.) Apr. 25, 1919. (Department Bulletin 613.) Price, 5 cents.
Deals with the digestibility of goat's butter, kJd fat, bard palate fat, bm ge fat,
oleo oil, oleo stenrin, ox-farrow, oxta l and turtle fats. '- -
The Avocado in Guatemala. By Wilsoon iopeoe, Agiqcui W Oc~cffice
of Foreign Seed and Plant IAtrodCiction. 'Pp. W,9 pl. bfution
from the Bureau of Plant Industry.. .Ar- JiH47 l 19; "'(d d*a UAf'lH ulle-.
..tin 743.) Price, 30 cents. *. .
Of interest to dealers in and growers (o this fruit.
The Sugar-Cane Moth Borer. By T. E. Holloway and IT. C. Loftin. Entnmo-
logical Assistants, Southern Field Crop Insect Investigations, with Tech-
'i- ,, nical Descriptions by Carl Heinrich. Pp. 74, pls. 9, figs. 12. Contribution
from the Bureau of Entomology. (Professional Paper.) Apr. 18, 1919.
(Department Bulletin 746.) Price, 20 cents.
SOf interest to growers of sugar cane generally.
Production of Goats on Far Western Ranges. By W. R. Chapline, Grazing
Examiner. Pp. 35, pls. 12, figs. 2. Contribution from the Forest Service.
(Professional Paper. Apr. 30, 1919. (Department Bulletin 749.) Price,
Describes the proper methods of managing goat herds on western ranges in order
to produce profitable returns without damaging timber reproduction.
*Experiments on the Digestibility of Wheat Bran in a Diet Without Wheat
Flour. By Arthur D. Hdlmes, Specialist in Charge of Digestion Experi-
ments, Office of Home Economics. Pp. 20. Contribution from the States
Relations Service. (Professional Paper.) Apr. 22, 1919. (Department
Bulletin 751.) Price, 5 cents.
Results of experiments made to secure data on tho digestilbility of wheat that will
be of value in determining the most economical and physiologically efficient method
of utilizing wheat for human food.
The Utilization of Irrigated Field Crops for Hog Pasturing. By F. D. Far-
-. el, formerly Agricutlurist in Charge of the Office of Demonstrations on
Reclamation Projects. Pp. 37, figs. G. (Contribution from the Bureau of
Plant Industry and the Bureau of Animal Industry. Apr. 24, 1919. (De-
partment Bulletin 752.) Price, 10 cents.
'Of interest to all farmers on the various irrigation projects.
A Comparison of Concentrates for Fattening Steers in the South. By W. F.
Ward and S. S. Jerdan, Animal H-usbandry Division, Bureau of Animal In-
dustry, and E. R. Lloyd, Director of Mississippi Experiment Station. Pp.
16. Contribution from the Bureau of Animal Industry. Apr. 7, 1919.
(Department Bulletin 761.) Price, 5 cents.
A comparison of the values of different mixtures of cottonseed meal, cake, broken
ear and shelled corn for fattening purposes.
Strains of White Burley Tobacco Resistant to Root-Rot. By James Johnson,
Agent, and R. H. Milton, Assistant, Office of Tobacco Investigations. Pp.
11, figs. 4. Contribution from the Bureau of Plant Industry. Apr. 18,
1919. (Department Bulletin 765.) Price, 5 cents.
Describes the relation of root-rot to the cropping system, cause of the disease, and
experiments in the development of strains resistant to root-rot.
Oak-Leaf Poisoning of Domestic Animals. By C. Dwight Marsh. Physiologist
1i Charge of Poisonous Plant Investigations, A. B. Clawson, Physiologist,
and Hadleigh Marsh, Veterinary Inspector, Bureau of Animal Industry.
Pp. 36, figs. 19. Contribution from the Bureau of Animal Industry. (Pro-
fessional Paper.) Apr. 28, 1919. (Department Bulletin 767.) Price, 10
Of interest to stock raisers and feeders generally.
Production of Lumber, Lath, and Shingles in 1917. By Franklin H. Smith
and Albert H. Pierson, Statisticians in Forest Products. Pp. 44, figs. 2.
Contribution from the Forest Service. (Professional Paper.) Apr. 5,
1919. (Department Bulletin 768.) Price, 10 cents.
Life History and Habits of the Mealy Plum Aphis. By W. M. Davidson.
Scientific Assistant, Deciduous Fruit Insect Investigations. Pp. 10. pls. 2.
Contribution from the Bureau of Entolomogy. (Professional Paper.)
Apr. 28, 1919. (Department Bulletin 774.) Price, 5 cents.
Of interest to growers of plums, prunes, and apricots.
Vanilla: A Promising New Crop for Porto Rico. By T. B. McClelland, Horti-
culturist.. Pp. 32, pls. 3, figs. 4. Apr. 17,. 1919. (Bulletin 26, Porto Rico
Agricrlturi Experitient Station.) Price, 5 cents.
'4NiatiphalLutmber and 'Frest.Policy. By Henry S. Graves, Forester, Forest
Service. Pp. 14. April, 1919. (Circular 134, Office of the.Secretary.)
Price, 5 cents.
Address before the American Lumber Congress, Chicago, April 10, 1919.
".? : i1:.. : *" :. *"
List of Workers In Subjects Pertaining to Agricltare, Home jBEcnWibe amd
Marketing, 1918-1919. Prepared in the States Relation Service, Pp, 162.
Not available for free distribution.
Report of the Hawaii Agricultural Experiment Station, 1918. Pp. 55, pis. 11.
Price, 10 cents.
Delicious Products of the Dairy. By J, C. McDowell, Bureau of Animal In-
dustry. Pp. 11. il. (Department Circular 26.)
Journal of Agricultural Research. (For sale only.) Vol. 16, No. 10. Mar.
10, 1919, Contents: Solubility of the Lime, Magnesia, and Potash ti Such
Minerals as Epidote, Chrysolite, and Muscovite, Especially in Regard to
Soil Relationships. (rn H-6.) By R. F. Gardiner.-A Field Study of the
Influence of Organic Matter upon the Water-Holding Capacity of a Silt-
Loam Soil. (ro Minn.-37.) By Frederick J. Alway and Joseph R. Neller.
Pp. 259-278, pl. 1, fig. 2. Price, 10 cents.
Same, Vol. 16, No. 11. Mar. 17, 1919. Contents: Fusarium-Bllght of Potatoes
Under Irrigation. (rm G-174.) By H. MacMillan, Pp. 279--03, p. ,.&.
Price, 10 cents.
Same, Vol. 16, No. 12. Mar. 24, 1919. Contents; Effect of Certain Grain Ra-
tions on the Growth of the White Leghorn Chick. ("p Ky.-8,) By G.
Davis Buckner, E. H. Nollau, U. H. Wilkins, and Joseph fl. Ka4tle.-Ai-
monificatiou of Manure in Soil. -(rr N. Y. (Geneva)-5.) By H. J. Cotin
and J. W. Bright. Pp. 305-350, pl. 1. Price, 10 cents.
Bame, Vol. 17, No. 1. Apr. 15, 1919. Contents: Meat Extracts, Their Compbit-
Lion and Identification (rq A-47), by James A. Emery and Robert R, Hen-
ley.-Quantity and Composition of Ewes' Milk: Its Relatiton to the Growth
of Lambs (rt Idaho-2), by Ray E. Neidig and E. J. Iddngs.--Seed Disin-
fection by Formaldebyde Vapor (rv 0-3), by Cecil C. Thomas. Pp. 39, fig.
1. Price, 10 cents.
IrNoTE.--Beginning with volume 5 the Journal of Agricultural Research Ia been
issued weekly and is distributed free only to the libraries of agricultural colleges
and experiment stations, to large universities, technical schools and such Institutions
as wake suitable exchanges with the department. It will not be sent free to indi-
viduals. The Superintendent of Documents. will receive subscriptions for this
publication, the price being $3 per year, 52 numbers.
The Monthly Crop Report. Vol. 5, No. 4. April, 1919. Pp. 37-44. Bureau
of Crop Estimates.)
Contains data relating to agriculture, including estimates of acreage, con, tlons,
yield, prices, and value of crops and live stock. For free distribution.
Experiment Station Record. Vol. 40, No. 1. January, 1919, E. W. Allen,
Ph. D., Editor. Pp, 1-100 Price, 15 cents.
Same, Vol. 40, No. 2. February, 1919. Pp. 101-200. Price, 15 cents.
LrNNOTE.-The Record is a technical review of. the world's scientific literature
pertaining to agriculture. It is not Intended for general distribution sad if1 fry
distribution is restricted to persous connected with the agriultural colleges, experi-
ment stations, and similar Institutions, and to libraries and exchanges. It can not
be sent free to individuals having no official connection with public institutions. The
Superintendent of Documents will receive subscription for this publication, which is
issued in two volumes a year. 10 numbers each, at l1 a volume.
SERVICE AND REGULATORY ANNOUNCEMENTS-FOR SALE ONLY.
WTrhese contain ontl information, instructions, and notices governing the enfereemedlt
of the food and drugs act, meat inspection, 28-hour, and quarantipe laws, an4 the various
regulations of the department. Issued monthly by certain bureaus. Free district Non is
limited to persons in the employ of the department, to public officials whose duties render
it necessary for them to have such information, to journals especially concerned, and to ..;,.
manufacturers and firms whose business Is affected by same. Others desiring copies are
respectfully referred -to the Superiptendent of Documents, Goverpment Printjig Omaw,
who has them for sale only, at prices noted, ..
Bureau of Animal Industry.... No... 43,. arch ,l919. Rpa 17-2JI9 Aprfle 13
1919. Price, 5 cents.
Bureau of Biological Survey.. No. r L S Trg A lgrata Tr
lations. Convention' between th0M United Stae es ad 'Grt' 13ttap fr e
protection of migratory birds in the. tUnite States -afl t 0 anto.-ft ~~'BtAile .-'
Apr. 22, 1919. Price, 5 cents. ..
" ".. .
RBresa of Chemistry; Supplement 55. [N. J: 6201-6250.1 Pp; 239-291.
Apr. 24, 1919. Price, 10 cents.
'Bureau of Chemistry. Supplement 56. [N. J. 6251-6300.] Pp. 293-343.
Apr. 28, 1919. Price, 10 cents.
i. Federal Horticultural Board. No. 60.
1919. Price, 5 cents.
February, 1919. Pp. 17-27. Apr. 7,
Insecticide and Fungicide Board. No. 24. Pp. 499-531. Apr. 21, 1919. Price,
Bureau of Markets. No. 44. Pp. 124. Apr. 25, 1919. Price, 10 cents.
A rAll requests for soil surveys are referred to the Bureau of Soils for attention, the
distribution of same being controlled by that bureau.
Soil Survey of Montgomery County, Iowa. By A. M. O'Neal, jr., of the U. S.
Department of Agriculture, and L. L. Rhodes, of the Iowa Agricultural
Experiment Station. Pp. 30, fig. 1, map. (From F. O. Soils, 1917.) Price,
Soil Sftrvey of St. Martin Parish, Louisiana. By A. H. Meyer and B. H.
SHendrickson. Pp. 82, fg. 1, map. (From F. O. Soils, 1917.) Price, 15
Soil Survey. of Calhoun County, Michigan. By R. F. Rogers and William G.
Smith. Pp. 54, figs. 2, map. 1. (From F. O. Soils, 1916.) Price, 15
Soil Survey of Covington County, Mississippi. By E. Malcolm Jones, of the
Mississippi Geological Survey, and A. T. Sweet, of the United States De-
partment of Agriculture. Pp. 40, pls. 2, fg. 1, map. (From F. 0. Soils,
1917.) Price, 15 cents.
Soil Survey of Callaway County, Missouri. By H. H. Krusekopf, of the Uni-
versity of Missouri, and J. H. Agee and R. H. Hall, of the U. S. Department
of Agriculture. Pp. 88, fig. 1, mop. (From F. O. Soils, 1916.) Price, 15
Sbll urvey of Phelps County, Nebraska. By B. W. Tillman, of the U. S. De-
partment of Agriculture, and B. F. Hensel, of the Nebraska Soil Survey.
Pp. 42, fig. 1, map. (From F. O. Soils, 1917.) Price, 15 cents.
:' Fol Survey of Wayne County, Nebraska. By B. W. Tlllman, of the U. S. De-
partment of Agriculture, and B. F. Hensel, of the Nebraska Soil Survey.
Pp. 50, tig. 1, map. (From F. 0. Soils, 1917.) Price, 15 cents.
&Sil Survey of Mahoning County, Ohio. By M. W. Beck, of the U. S. Depart-
S meant of Agriculture, and Oliver P. Gossard, of the Ohio Agricultural Ex-
periment Station. Pp. 41, fig. 1, map. (From F. O. Soils, 1917.) Price,
: SiB Survey of Clearfield County, Pennsylvania. By R. A. Winston and R. W.
McClure, of the U. S. Department of Agriculture, and H. P. Cooper and
David Q. Wimer, of the Pennsylvania State College. Pp. 32, fig. 1, map.
(From O. Soils, 1916.) Price, 15 cents.
Mi1 Survey of Shelby County, Tennessee. By Hugh H. Bennett, Rlsdeu T.
Alien, and L, Vincent Davis, of the United States Department of Agricul-
ItnSM, and C. H. Watkins, jr., of the Tennessee Geological Survey. Pp. 39,
p1:, 2, fig. 1, map. (From F. 0. Soils, 1916.) Price, 15 cents.
o ...Dairying Built Up a Community. By J.. C. McDowell, Bureau of Animal
Ii tustry. Pp. 18, pls: 4. (Separate 765, Yearbook, 1918.) Price, 5 cents.
S'Th. Fmer and Federal Grain Supervision. By Ralph H. Brown, Bureau of
M~f "' lppl .' 15,'p, 4. '(Separte 766, Yearbook, 1918.) Price, 5 cents.
,Flotf-the Produce Marketss By G. B. -Fiske, Bureau of Markets. Pp. 14,
1. (Separate 768, Yearbook, 1918.) Price, 5 cents.
Electric Light and Power from Small Streams. By A. M. Daniels, Bureau n
Public Roads. Pp. 20, figs. 3. (Separate 770, Yearbook, 1918.) Price, it:
The Thrashing Ring in the Corn Belt. By J. C. Rundles, Office of Farm Mgal
ngement. Pp. 24. (Separate 772, Yearbook, 1918.) Price, 5 cents. -:i
Live Stock and Reconstruction. By George M. Rommel, Bureau of Animal In::.l
dustry. Pp. 16. (Separate 773, Yearbook, 1918.) Price, 5 cents. :"
Composition and Food Value of Bottled Soft Drinks. By J. W. Sale a ii
W. W. Skinner, Bureau of Chemistry. Pp. 10. (Separate 774, YearbO-' l
1918.) Price, 5 cents.
Some Effects of the War Upon the Seed Industry of the United States. B1W
W. A. Wheeler and G. C. Edler, Bureau of Markets. Pp. 22, figs. &
(Separate 775, Yearbook, 1918.) Price, 5 cents.
The Old and the New in Corn Culture. By H. Howard Biggar, Bureau .fie'
Plant Industry. Pp. 16, pIs. 4. (Separate 776, Yearbook, 1918.) Price tP
Less Cholera-More Hogs. By O. B. Hess. Bureau of Animal Industry.iil!
Pp. 6, ils. 2. (Separate 777, Yearbook, 1918.) Price, 5 cents.
Better Poultry Through Community Breeding Associations. By J. W. King-;
home. Bureau of Animal Industry. Pp. 8, pis. 4. (Separate 778, Year- H
book, 1918.) Price, 5 cents.
Farm Woodlands and the War. By Henry S. Graves, Forester, Forest Service. ::;!
Pp. 12. (Separate 779, Yearbook, 1918.) Price, 5 cents.
Home Mixing of Fertilizers. By C. C. Fletcher, Bureau of Soils. Pp. 8, fig..,
(Separate 780, Yearbook, 1918.) Price, 5 cents.
The Drainage Movement in the United States. By S. H. McCrory, Bureau of
Public Roads. Pp. 10, pls. 6. (Separate 781, Yearbook, 1918.) Price, :
The Accredited-Herd Plan in Tuberculosis Eradication. By J. A. KiernaB1::
Bureau of Animal Industry. Pp. 8, pis. 2. (Separate 782, Yearbook,::
1918.) Price, 5 cents.
Some Results of Federal Quarantine Against Foreign Live-Stock Disea:se'.
By 0. W. Pope, Bureau of Animal Industry. Pp. 10, pls. 2. (Separate
783, Yearbook, 1918.) Price, 5 cents.
Rabbit Growing to Supplement the Meat Supply. By Ned Dearborn, Bureau
of Biological Survey. Pp. 10, pls. 2, fig. 1. (Separate 784, Yearbook, ?
1918.) Price, 5 cents.
Federal Protection of Migratory Birds. By George A. Lawyer, Bureau of Bio.
Igicul Survey. Pp. 16, pls. 3, figs. 2. (Separate 785, Yearbook, 1918,)
Price, 5 cents.
How Weevils Get Into Beans. By E. A. Back, Bureau of Entomology. Pp. 10,`:i!
pis. 3. (Separate 786, Yearbook, 1918.) Price, 5 cents. ;
The Rediscovery of an Old Dish. By Herbert P. Davis. Bureau of Animal In*:*
dustry. PI). 10, p. 1. (Separate 787, Yearbook, 1918.) Price, 5 cents. i
Housing the Worker on the Farm. By E. B. McCormick, Bureau of Pures
Roads. Pp. 12, figs. 8. (Separate 789, Yearbook, 1918.) Price, 5 centsi'
Sisal and Henequen as Binder-Twine Fibers. By H. T. Edwards, Bureau tif
Plant Industry. Pp. 12, pls. 4. (Separate 790, Yearbook, 1918.) Price, 1
Statistics of Grain Crops, 1918. Pp. 60. (Separate 791, Yearbook, 19181
Price, 10 cents.
Statistics of Crops Other Than Grain Crops, 1918. Pp. 82. (Separate 79'ti1
Yearbook, 1918.) Price, cents. :
Imports and Exports of Agricultural Products. Pp. 41. (Separate 794, Yea
book, 1918.) Price, 10 cents.
.... .:- +!!W
pSW W,. S ..
S PUL-uAL'IUCHIS iu uT i WiATHER T'MUMIAU.
Publications of the Weather Bureau are obtainable only from the Chief of the
.Weather Bureau or the Superintendent of Documents, Government Printing Office, at the
prices noted herein.
Monthly Weather Review. Vol. 47, No. 1. January, 1919. [Apr. 7, 1919.]
Pp. 1-64, figs. 22, charts 12. Price, 25 cents per copy, $2.50 per year. Pay-
:- able to the Superintendent of Documents.
.. Special Articles: Work of the Smithsonian Astrophysical Observatory at Calama,
.Chile. By C. G. Abbot--Solar variations and terrestrial weather. By C. F. Mar-
vin.-Solar radiation intensities, January, 1919. By H. H. Kimball.-Influence of
the solar eclipse of June 8, 1918, upon radiation and other meteorological elements.
S By H. H. Kimball.-Halo observations, January, 1919. By W. R. Oregg.-Lunar
i. halo ad paraselenle circle observed at Colony, Wyo.-Southern California windstorm
of Nov. 24-26, 1918. By F. 4. Carpenter.-Terrific windstorm on Mount Wilson,
Cal., Nov. 24-26, 1918. By W. P. Hoge.-A New airplane altitude record.-Evapora-
tion in the Canal Zone. By H. G. Cornthwaite.-Evaporation compared with vapor
prtesure deficit and wind velocity. By E. 8. Johnston.
National Weather and Crop Bulletin. Nos. 4, 5, 6, April, 1919, reporting tem-
perature, rainfall, and crop conditions throughout the United States.
aIsued weekly, on Wednesdays, April to October; monthly remainder of
year. Price, 25 cents a year.
EDWY B. REID,
Chief, Division of Publication s.
i ',* I: 4
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gotten into this country from Europe. TI
the European corn borer and the Europeat. .
wart disease. At present both apparently .
fined to a comparatively limited territoryz
every precaution and the utmost care will
essary to prevent their spread. Unless .0"t
they may become the most destructive ena
of two of America's greatest food crops;! nib
borer now is known to exist only in, Mass
and New York. It feeds on all parts of t---
plant and has an appetite for many g
ornamental plants. Its presence is deter
broken tassels and with sawdust-like mae
the breaks, and by holes in the stalk sn
with the same sawdust-like material. The '
wart disease is now confined to a pirt- 4d "i.
vania. This disease is noticeable at hatvtesj
and is characterized by warty, spongy,
like growths on the underground portions
plant. Write to the U. S. Department
ture, Washington, D. C., for information oa
plant enemies, and watch for them in new
wart disease. .. oo apar
pthe ma tetome the .ost. de* rute
d is hae bg
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