THE 



ENTOMOLOGICAL SOCIETY 



OF WASHINGTON 



ORGANIZED MARCH 12, 1884. 



The regular meetings of the Society are held on the first Thursday of 

 each month, from October to June, inclusive, at 8 p.m. 



Annual dues for members are $3.00; initiation fee $1.00. Members are 

 entitled to the PROCEEDINGS and any manuscript submitted by them is given 

 precedence over that submitted by non-members. 



OFFICERS FOR THE YEAR 1920. 



Honorary President E. A. SCHWARZ 



President W. R. WALTON 



First Vice-President A. B. GAHAN 



Second Vice-President , A. G. BOVING 



Recording Secretary R. A. CUSHMAN 



Corresponding Secretary-Treasurer S. A. ROHWER 



U. S. National Museum, Washington, D. C. 



Editor A. C. BAKER 



East Falls Church, Va. 

 Executive Committee: THE OFFICERS and A. N. CAUDELL, A. L. QUAIN- 



TANCE and E. R. SASSCER. 

 Representing the Society as a Vice-President of the Washington Academy of 



Sciences. . . .S. A. ROHWER 



PROCEEDINGS 

 ENTOMOLOGICAL SOCIETY OF WASHINGTON. 



Published monthly, except July, August and September, by the Society 

 at Easton, Pa., and Washington, D. C. Terms of subscription: Do- 

 mestic, $4.00 per annum; foreign, $4.25 per annum; recent single numbers, 

 50 cents, foreign postage extra. All subscriptions are payable in advance. 

 Remittances should be made payable to the Entomological Society of 

 Washington. 



Authors of leading articles in the PROCEEDINGS will be given 10 copies 

 of the number in which their article appears. Reprints without covers will 

 be furnished at the following rates, provided a statement of the number de- 

 sired accompanies the manuscript: 



4 pp. 8 pp. 12 pp. 16 pp. 



50 copies 1.40 2.80 4.20 5.60 



100 copies 1.60 3.20 4.80 6.40 



Certain charges are made on illustrations and there are rules and sugges- 

 tions governing the make-up of articles published. Contributors may secure 

 information on these points by application to the Editor or Corresponding 

 Secretary. 



