498 
JOURNAL OF ECONOMIC ENTOMOLOGY 
[Vol. 13 
September Monthly Bulletin contains an article by T. H. Parks, entomologist of the 
University Extension Service, on “Wheat-Sowing Dates to Avoid Hessian Fly.” 
Additional recommendations based on the present investigations will be widely 
disseminated by the county agents and press of the state. 
Messrs. C. H. Curran, Vineland Station laboratory, I. J. Arnason, Lethbridge 
laboratory, V. C. Smith, F. P. Ide, headquarters, J. B. MacFarlane, R. S. Hawkins 
and Professor V. S. Pulling, spruce bud worm survey, R. S. Longley, apple sucker quar¬ 
antine, R. N. Bissonnette, field crop and garden insects and H. A. Robertson, Trees- 
bank laboratory, have resigned from the Entomological Branch, Canadian Depart¬ 
ment of Agriculture. 
Mr. Arthur Gibson, dominion entomologist, accompanied by Messrs. McLaine and 
Keenan, visited the European corn borer infestation in western New York on Septem¬ 
ber 20, and were shown about by Mr. L. H. Worthley. On September 22, an impor¬ 
tant conference on the European corn borer was held at St. Thomas, Ont., at which 
Mr. W. R. Walton, L. H. Worthley Bureau of Entomology, and Dr. E. P. Felt, state 
entomologist of New York, were present. 
0 
After serving for twenty-five years as head of the Department of Horticulture and 
Entomology, and eleven years as head of the Department of Entomology of Purdue 
University and Experiment Station, Professor James Troop now relinquishes his 
position in the Experiment Station and will devote his time to teaching in the School 
of Agriculture. Professor John J. Davis, formerly with the United States Bureau of 
Entomology, is now head of the Department at Purdue. 
According to Science, Professor George P. Gray, assistant professor of entomology, 
and chemist of the insecticide laboratory, University of California, has resigned to 
become chief of the division of chemistry of the newly organized California State De¬ 
partment of Agriculture, with headquarters at Sacramento. The work of the division 
of chemistry under Professor Gray includes the official analysis and testing of insecti¬ 
cides, fungicides, fertilizers, dairy products, and problems connected with the fruit 
and vegetable standardization laws. 
AMERICAN ASSOCIATION OF ECONOMIC ENTOMOLOGISTS 
Important Notice 
Until January 1, 1921, orders for Banks Index to the Literature of American 
Economic Entomology, 1905 to 1914 inclusive, will be accepted for $5.00 per copy. 
The Colcord Index to the Literature of American Economic Entomology, 1915 to 
1919 inclusive, $5.00 per copy. For delivery in foreign countries, 50?$ extra. 
Payment should accompany order. 
After January 1, 1921, orders for these books will be received at the following 
rates: 
Banks Index. $6.00 per copy 
Colcord Index.:. $6.00 per copy 
Parties desiring to secure the lower rate must order before January 1. 
A. F. Burgess, Secretary. 
Melrose Highlands, Mass. 
November 24, 1920. 
Mailed December 22, 1920 
