-T- 
STORED-PRODUCT INSECT INVESTIGATIONS 
EK. A. Back, Entomologist in Charge 













John F. Cotton, a student at Cornell University, has been appoint- 
ed laboratory eid for the summer months. 
| The Modesto, Calif,, Chamber of Commerce appointed a committee to 
_ interviey the Board of Supervisors regarding the seriousness of the bean 
_ weevil situation in Stanislaus County. Following a conference with the 
_ Farm Center Directors, the Chamber of Commerce extended to A. 0. Larson, 
_ of the Bean Weevil Investigations at Alhambra, an invitation to visit 
_ the county and discuss the bean weevil situation at different places, 
with the view to securing widespread interest in better control methods 
for this pest. Mr. Larson's work has been highly commended by Lester F. 
Baker, Chairman of the Bean Weevil Committee of the Modesto Chamber of 
_ Commerce. 
j An experimental demonstration was started by the Bureau nearly two 
years ago with a local business firm, in vhich the Bureau undertook to 
eliminate loss for the two-year veriod to stocks of brushes by fumigation 
_ with hydrocyanic-acid gas. The company provided a room in which to store 
their stocks and in which they could be fumigated vithout moving. The 
experiment has demonstrated the possibility of preventing losses of this 
thousand dollars annually. 

LIBRARY 
Mabel Colcord, Librarian 
New Books 
‘Brues, C. 7. gaa 
' Is poliomyelitis an insect-borne disease? In Scientific Monthly, 
| v. 16, no. 5, p. 471-487, illus., May, 1923. 
 ‘Brues, Ce 2 ; 
a Some hymenopterous parasites of lignicolous Itonidae. In Proc. 
Amer. Acad. Arts and Sci., v. 57, no. 11, p. 263-288, 2 pl., May, 
. 1922. Literature cited, p.2%2-c83. | . cme 
Bureau of Applied Entomology, Petrograd, Russia. Agricultural Scientific 
a Committee. Reports v- 2. Edited by V. P. Pospelov,. 192e,. 
Butler, E. A. 
A biology of the British Hemiptera-Heteroptera... London, 1923. 
vii, 662 p., illus., 7 pl. Bibliography, p- 603-619. 
on, William. 
The theory of emulsions and emulsification. Foreword by F. G. 
Donnan. Philadelphia, P. Blakiston's Son & Co., 1923. 160 p., 
illus., 19 pl. Bibliography, p- 145-157. 
_kind by the methods adopted, and the company has been the gainer by several 
