
ar Le 
TROPICAL, SUBTROPICAL, AND ORNAMENTAL PLANT INSECTS 
A. C. Baker, in Charge 
Dr. C. A. Weigel, of this office, spent April 22 and 23 in Babylon, 
N. Y., conferring with F. J. Spruijt as to plans for future work. 
The following appointments have been made in this division during 
the month: 
Franklin S$. Blanton, Junior Entomologist, effective April 13, for 
duty at Babylon, N. Y. Mr. Blanton was employed from May 16, 1929 eco 
June 50, 1930, in the ecological unit of the research staff in the campaign 
for the eradication of the Mediterranean fruit fly. 
Charles C. Plummer, Assistant Entomologist, effective April 15, 
for duty at Cuernavaca, Mex. Mr. Plummer has had previous experience in 
the Bureau in work with the European corn borer in Connecticut, and also 
in the Truck-Crop Insect Division in work on the Mexican bean beetle in 
Mexico. 
Dwight L. Hubbart, Under Biological Aid, effective April 6, for 
duty at Balboa, Canal Zone. 
George A. Newton, Field Assistant, effective April 30, for a three- 
months’ assignment at Sumner, Wash. 
LIBRARY 
Mabel Colcord, Librarian 
NEW BOOKS 
Acqua, Camillo. 
' Il bombice del gelso ... 552 p., illus., Ascoli-Piceno, Casa Ed- 
itrice de di Giuseppe Cesari, 1931. 
Belyea. H. C. c 
Forest measurement. 319 p., 31 tabs. New York, John Wiley & 
pens, onc. , 1951. 
Boyd, A. M. 
* "United States government publications as sources of information 
Memeirorartos., coco p., New York, H. W. Wilson’ Co., 1951... [P3 
i 191-214, U. S. Department of Agriculture. | 
British Columbia Entomological Society. 
Proceedings number twenty-seven, 1930. 51 p., Vancouver, B. C., 
Murphy & Chapman, Ltd., 1930. 
