. * 
Schryver, S.B. An introduction to’ ae , 
— v © the study of b i mi 
 4llus London, 1918, y of biological chemistry. 340 P,, 
By tern Adjustment and inspection Co., Chicago, Losses to cotton,...46 pp., 
fois) Chicago, Hail departrient, Western Adjustment and InspectiongCp. 
. “2 e 
FOREST ENTOMOLOGY. 
A. D. Hopkins, Forest Entomologist, 
J.C, Evenden formerly erntomological ranger and during the war captain 
in Company G. 363 Infantry with the American Expeditionary Forces, in Frame, 
has returned to the Branch of Forest Entomology as scientific assistant and 
2S Stationed at Cocur d‘Alene, Idaho, under general directionoéf#¥,6G,NMi1~- 
ler, 
TROPICAL AND SUBTROPICAL FRUIT INSECT INVESTIGATIONS 
C. %&. Marlatt, Entomologist in Charge. 
Mr. C.A, Weigel is in Florida making a preliminary investigation of 
the camphor thrips sitvation. A permanent assistant is to be assigned to 
this project in the near future, 
H,F, Dietz has returned from the Canal Zone where he has been con- 
ducting research and experimental work for the past vear, and is now an~ 
gaged in preparing a report in this cowry. 
A. D. Borden recently visited the Imperial Valley to investigate the 
present status of -Phosricococcus merlait’. infesting date palms. 
" W, A.Wei gel and E,L. Chambers have just completed some successful 
experiments in controlling the adult of the grape rootworm whitch ap~ 
peared in great numbers in a local greenhouse damaging roses. 
FEDERAL HORTICULTURAL BOARD. 
. C. L. Marlatt, Chairman, 
A hearing on the subject of the Evrepean corn borer was conducted 
at Boston, Mass., on August 15, ‘The Fcard was represented by the Chair- 
man, and Beorge B. Sudworth, Zarl fF. Vellerman, R..C. Althouse, and H.W, 
Syfrig. There were present reprosentatives from the neighboring States 
‘and the hearing was also largely attended by Licai truck growers, orna~ 
mental horticulturists, and commission men from Boston. Action on this 
hearing is held awaiting the general conference on the Enropean corn bor- 
er called to meet at Albany, N.Y., and at Boston, August 28 and 29 res- 
pectively. This conference was also attended dy the Chatrman of the Board, 
It develoved at these two conferences that the spread of the corn borer is 
such. and ‘the food needs of the several New England States are such as to 
make it seem desirable to include in a general quarantine New England and 
New York with, respect to this insect and if possible to have modified 
Quarantine witi/ this territory to take care of the areas definitely known 
ito he infested. 
Mer OD 6 
