oy 
In June Doctor White made 2 trip to Texas, visiting Eouston and Port 
lavaca to make investigations concerning the possible transmission of a virus 
to the cotton plant by the cotton hopper, Psallus seriains. 
J. L. Webb attended the annual meeting of the American Leather Chemists! 
“Association at Atlantic City June 4 and 5, and spoke upon the subject of cattle 
grubs. 
| 
On June 20 A. C. Morgan, of Clarksville, Yenn., visited the Tobacco Insect 
“Substation at Quincy. 









Hugh E. Wallace, of the malaria mosquito force, who has been attending 
the University of Minnesota curing the past school year, has completed the re- 
pguirements for a master's degree. On Juiy 1 he returned to duty at Mound, Ia. 
Ralph L, Parker has accepted appointment for a temporary period to study 
‘the problem of the poisoning of honeybees by the use of calcium arsenate for 
‘control of the boll weevil, Mr. Parxer will conduct his investigations at the 
Serenee,. >. C., station, 

LIBRARY 
Mabel Colcord, Librarian 
JEW BOOES 
merican Cotton Association boll weevil control campaign, 1924/25, 
Mendbook. St. Matthews, S. G., U. S. A., 1924. 32 pp. 
ee 
The microscope... Darlk-field ed., (14th) rev. Ithaca, N. Y¥., Th 
Comstock Publishing Company, 1925. 517 pp., illus., pl. SBidliography, 
pp. 490-498. 
Bes, KR. Dz 
The principles and practiceof fly and bait casting.,.. London, a. & 
C. Black, 1lta., 1924. 40 pp. illus., 8 pls. 
oh. 
Our common butterflies. WN. Y., American Museum of Natural History, Jan. 
1925, 31 pp. illus. (american Museum of Natural History Guide Leaflet 
Series, No. 38, ed. 4.) 
vista de fitopathologia; organo del servicio de estudio y extincion de 
plagas forestales. Ano 1, No. 2/3 madrid, Sept. 30, 1923. 
— 
pZilady, 2. ] we CRA. 
| New or little kmown houseflies pam banidae). Budapest, Museum National 
7 )Bongaricum, March 15, 1923. 39 ppv., pl. (Biologica’ Bungarice vol,.°1, io. 
fimoney, T: M. 
The bionomics of the sarcoptic mange parasite of the woffalo, with som 
observations concerning the relative power of resistance to adverse con- 
ditions of the different stages of the Acarus and of its eggs. Calcutta, 
Government of India, Central Publication Branch, 1924. pp. 180-200, 
pls. 11-14. (Pusa, Agricultural research institute Bull. 154.) 
