Seg SOUTHERN PIELD CROP > INgEOT INVESTIGATIONS. 
— 
o | W. D. Hunter, In Charge. 

































| 38 Yan’ Dine has ‘returned to Washington from his field station 
ound , la. During the season he made «2 careful study of the rela- 
BP malaria to agriculture. In this work detailed information wags 
led regarding the incidence of malaria and the time loss in each 
‘enty-four families. A study was also made of mosquito density in 
farious Classes of habitations and the breeding places in the im- -— 
ite vicinity of the houses were determined, An experiment was per- 
ed on & considerable scale in removing the cans, bottles and other 
tacles in the vicinity of houses, and filling disused wells and old 
isterns to determine the effect of such measures on mosquito density. 
HH. A. Morgan, dean of agriculture in the University of Tennessee, 
©@ trip to Louisiana during the month at the request of the bureau. 
Visited the laboratories of Mound, Tallulah, and New.Orleans. W. D. 
ter accompanied Professor Morgan on this trip, and also visited the 
Laboratories at Dallas and Victoria, Tex. 
- During the month a report on the occurence of the pink boll worm 
‘Gotton at Madison, Fla., was received. Immediate steps were taken 
several offices in the department to eradicate the pest, but it was 
@ on investigation by W. D. Pierce that the insect was Batrachedra 
yi which occured in unusual numbers in bolls affected by the 
lracnose disease. 
"R: W. Moreland and G. A. Runner have been detailed to examine cot- 
fields in the vicinity of mills which have recently received foreign 
Gons to determine whether the pink boll worm has become established. 
eet. C. Eagerton a colloborator of the bureau in South Carolina, has 
epted &@ position as assistant Entomologist in the Cuban Experiment 
ion. 
" W. D. Pierce investigated the dispersion of the boll weevil in the 
ern part of the cotton belt early in the month, and later began 
cing along the same line west of the Mississippi River, the work 
in the east is being conducted by F. L. McDonough. 
G. N. Wolcott has returned to Porto Rico to take up the position 
ecently vacated by T. H. Jones. 
E- T. E. Holloway has recently investigated the status of parasites 
* Sugarcane insects at Brownsville, Tex. W. C. Loftin is engaged in 
me study of the extent of injury to sugar cane in the castern states. 
. A. W. Jobbins-Pomeroy left for England on October 28. From London 
posi) proceed to his post in Southern Nigeria in a short time. 
' F, C. Bishopp made an extended trip to the Dakotas and other states 
} connection with reports of heavy loss arising from insects waich at- 
nck horses and cattle. 
Be the work on the control of the house fly which has been under way 
"Washington during the season will be conducted at New Orleans for 
ral weeks. HE. R. Barber will conduct the experiments at New Or- 
s, Mr. Hutchison will complete the work at Washington and inaugu- 
} an extended series of experiments to determine certain points about 
@ hibernations of the fly, 
D. &. Van Dine will present 3 paper on his work on malarial mos- 
Litoes at the meeting of the Southern Medical Association at Richmond, 
beg on November 9, 
