Richmond, Avery. Studies on the biology of the aquatic Hydrophilidae. 
Bul. Amer. Mus, Nat. Hist., ve 43, p. 1-94, 16 nl. New tore, 
September, af, 1920, Literatures, p. 88-95, ; 
Royal Society of London. Grain pests (War) cormittee Report €. Bionomic, 
morphological and 2conomic report on the acarids of stored grain and 
flour, Part II, by R. Newstead. 28 Pej til. hondoh, 19203 
menoll, BE. E, Report on the pink bollworm of cotton (Pacti nophora goss v- 
felis, S.) 459 n., illus., maps, Austin (1920). Taxes Dept. of — 
Aer, Bul. 65, March, April. 1929, 
Smith, =. F. An introduction : bacterial diseases of plants. 688 p., 
port., illus. Philadelphia and London, %. B. Sanders Co. 1920, 
Southwell, T. Fish and mosquito larvae in Bengal, Bihar and Orissa, India, 
Annals of tropical tedicine and parasitology, Wa Lag Oe ce pucva ee 
205, pl, iv-vi, Novexber 27, 1920, 
Story, Colin. The Sfinose ecar-tick. Practical suge2stions for suppression. 
Jour. Dept. Asr, Union of South Africa; vsll, no, 7, p. 647-554, 
illus. «October 2990, 
Tavares, J; da Silv., Synergarias ou Le S cynipides comuensaux d'autres 
eynipides dans le Perinsule Iberique... 75 p. 2arly Lisbonne Impri-~ 
merie de la librarie Ferin, 1920, % 
U. S, Surgeon General's Office. Labor atory methods of the 
Compiled by the Division of infoctious diseases and Laborat ories, 
Bd, 2 rev. 354 p, Phil 
ie: 
Sb 
i> 
4 
18 
Wilson, C. B. Dragonflies and da.selflies in relation to pond fish 
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DECIDUOUS FRUIT INSECT INVESTIGATIONS 
A. L. Cuaintance, Entomologist in Charge 
A. J. Ackerman, who has been in chi:ct ef orchard insect control 
operations at the Bentonville, Ark., Jlaborayory has be3n detailed to 
investigate, in cooperation with the California State Derartment of 
Agriculture, the control 6f the codling moth on ptars with especial 
reference to spray residue on harvested fruit. 
B. A, Porter, in charge of the Burseu's laboratory at Wallingford, 
Cohh., will spend several weeks in Wushineton preparing ranuscripts and 
reports on the results of his field investi zacvions, 
/ 
