Natural Sciences of Philadelphia 
67 
Publications. 
PUBLICATION COMMITTEE. 
Henry Skinner, Chairman, Witmer stone, 
Henry A. Pilsbry, William J. Fox, Milton J. Greenman. 
EDITOR: William J. Fox. 
Artist: Helen Winchester. 
With the appearance of the number now on the press, 1921, Part 
II, the Academy will have published 559 pages and 49 plates of its 
Proceedings for 1921. The Annual Reports for 1920, forming 
57 pages and 6 plates, were issued in separate form, and not with 
the Proceedings, as in the past. 
The Entomological Section of the'Academy published 330 pages 
and 5 plates of the Entomological News; and the American Ento- 
mological Society with the cooperation of the Academy 268 pp. 
and 15 plates of its Transactions. 
Dr. Pilsbry, editor of the Manual of Conchology, has issued 
during the year parts 101, 102, and 103, of that publication, or 
192 pages and 18 plates. 
With the exception of Russia, exchange of publications has been 
resumed with institutions in countries closed during the world war. 
William J. Fox 
Secretary of the Committee. 
