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SOUTHERN FIELD CROP INSECT INVESTIGATIONS. 
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; W. Dd. Hunter, in charge. 
mens of thrips for determination should be sent to Mr. A. OC. 
| will be in Washington until March first and thereafter at his 
1d station at Clarksville, Tenn. 
; Wz V. King and EH. P, Wood left Washington during February 
‘Bitter Root Valley in Montana where they will be engaged in the 
, i fever tick during the season. This work is 
eration witn the Montana State Board of Entomolo and the 
ablic Health Service. map 
‘Dt. Van Dine made a trip to Madison Parish, La., during the 
‘Or the purpose of making observations on the winter habits of 
and to perfect arrangements for the work of the season which 
conducted there. 7 
G. N. Wolcott, who is engaged on the cooperative work for the 
and the Porto Rican Board of Agriculture, has spent several weeks 
studying the parasitism of the moth borer. In a short time he 
socecd to Jamaica on the same investigation and will return to 
8 during March. 
) TRUCK CROP AND STORED PRODUCT INSECT INVESTIGATIONS. 
r. F. H. Chittenden, in charge. 
moy H. Campbell, B. &., 1913, University of California, has 
ia an appointment in the branch of Truck Crop and Stored Product 
Investigations. 
Murtis P. Clausen, B.S., 1914, University of California, has 
fan appointment in the branch of Truck Crop and Stored Product 
Mnvestigations. Headquarters at Berkeley, California. 
) Boyd L. Boyden, who pursued a course in biology at Pomona 
fe; Claremont, Cal., graduating as B.S. in 1912, has been trans— 
Htrom work on tropical and’ subtropical insect investigation to 
anch of Truck Crop and Stored Product Investigations, with tempor- 
maaquarters at Whittier, Calif. 
iS of the most promising projects which has met with favor from 
w reliable sources is the construction of a power sprayer of 
Weight to satisfy the different ccnditions on Long Island, Indiana 
bkas. One is specially designed to weigh about 500 pounds and 
ble for placing upon a wagon bed or two-wheeled truck to be driven 
Mm truck fields through waich it might otherwise sink too deeply, 
36 Of the weight necessary to carry the entire equipment. {[t is 
ed that outfits of this type will soon be placed on the market. 
md type, also &@ power sprayer, is to he especially adapted to the 
ing of onions, especially in soft cultivated fields, in muck 
1, where onions are grown in northern States, e.g., Indiana. The 
form is to be constructed with a view to travelling through the 
¢rop regioas of such States as California and Colorado, the 
Ime to be adapted to somewhat different purposes than the other two 
t1iea. : 
OmMigation with the standard fumigants will be continued, especially 
A View to obtaining a correct or approximate method of standardi- 
|. The older and standard remedies, such as carbon bisulphid and 
qic-acid gas, will be continued with this end in view. Heat 
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