xiv Proceedings of the Biological Society of Washington. 



G. L. Roberts, A. S. Rubino, Miss M. Russell, G. P. Savage, 

 H. L. Smith, Miss L. W. Steever, H. C. Straup, Miss L. Van 

 Doren, L. R. Watson, Jr., S. Weinshelbaum, Miss D. V. 

 Nichols. 



Informal Communications: L. O. Howard, Comparison of 

 Humboldt's and Bradley's accounts of mosquitoes on the 

 Amazon; J. C. Bradley, Reply regarding mosquitoes on the 

 Amazon; A. S. Hitchcock, Note on mosquitoes in British 

 Guiana; P. Bartsch, Note on erratic occurrence of mosquitoes 

 in Florida; H. M. Smith, Exhibit of artificial animals from 

 Pekin; T. S. Palmer, and L. O. Howard, Announcements of 

 exhibitions of bird drawings at the Library of Congress, and 

 of insect drawings at the Corcoran Art Gallery. 



Formal Communications: J. Chester Bradley, Plumarius, an 

 aberrant genus of Hymenoptera; W. E. Safford, Hawaii re- 

 visited. 



December n, 1920 — 617th Meeting. 



FORTY-FIRST ANNUAL MEETING. 



President A. D. Hopkins was in the chair; 28 persons were 

 present. 



Annual reports of officers and committees were received. 



The resignations of N. Dearborn, Treasurer, and of A. 

 Wetmore, Corresponding Secretary, on May 15, 1920, were 

 announced, and the succession of F. C. Lincoln as Treasurer 

 and T. E. Snyder as Corresponding Secretary. 



The officers and members of the Council elected for 1921 

 are: 



President, N. Hollister. 



Vice-Presidents, A. S. Hitchcock, J. W. Gidley, S. A. Rohwer, 

 H. C. Oberholser. 



Recording Secretary, A. A. Doolittle. 



Corresponding Secretary, T. E. Snyder. 



Treasurer, F. C. Lincoln. 



Members of the Council, W. Palmer, E. A. Goldman, H. H. T. 

 Jackson, R. E. Coker, R. W. Williams. 



President Hollister was nominated as one of the Vice-Presi- 

 dents of the Washington Academy of Science. 



The appointment of Committees for the coming year was 

 deferred. 



