32O HANDBOOK OF LEARNED SOCIETIES 



section organized in 1891. Present building occupied since 1876. 

 Library of about 55/000 volumes (including the Meigs library, Warner 

 library and American Entomological Society library). Natural history 

 museum, the ornithological and conchological collections being es- 

 pecially important; archaeological department. 



Ref.: Report on the condition of the Academy, Apr. 28, 1876, by W. S. W. 

 Ruschenberger. Philadelphia, 1876. (Earlier historical notices by the 

 same author pub. 1852 and 1860.) Proceedings, v. 53, p. 741-748. 



Object. Cultivation and study of the natural sciences and the encouragement 

 thereof, by the publication of discoveries, by collecting natural objects and 

 a library, by extending and making useful a knowledge of nature through the 

 agency of lectures, and by other means of instruction. 



Meetings. ist and 3d Tuesday of each month, Oct.- May, at the society's build- 

 ing; monthly meetings of the sections. 



Membership. 725 members (entrance fee, $10; annual dues, $10; life composition, 

 $100) ; 321 correspondents. 



Publications. 



JOURNAL . . . v. I-VIII. Philadelphia, 1817/18-1839/42. 8. 

 Each vol. in 2 pts. 

 Prices of the set: $40 to members, $48 to the public. 



2d ser. v. I-XII. Philadelphia, 1847/50-1902/04. fol. 



Each vol. in 4 pts., except v. 7. v. 13 in progress, pt. 1-2 issued 1905. 



v. /: The extinct mammalian fauna of Dakota and Nebraska . . . with a 



synopsis of the mammalian remains of North America, by J. Leidy. 

 Prices : $10 per vol., or $3 per part to subscribers ; $12.50 per vol., or 



$3-75 per part to others. 



Report of the transactions . . . during the years 1824-1827/28. 

 [Philadelphia,? 1825?] -1829. 3 nos. 8. 



Reports from 1841 are published in the following: 



PROCEEDINGS . . . v. I-LVIII. 1841/43-1906. Philadelphia, 1843- 

 1906/07. 8. 



No volume numbering 1857-1000. 



Prices: In list on cover, the volumes are arranged in series, viz. : ist 

 sen, 1841/43-1856 (8 v.), $24 to members, $36 to non-members; 2d 

 ser., 1857-70 (14 v.), $3 per vol. to members, $3-75 to non-members; 

 3d ser., 1871-1906 (36 v.), $5 per annum to subscribers, single volumes, 

 $6.25. 



ENTOMOLOGICAL NEWS, and Proceedings of the Entomological sec- 

 tion ... v. I-XVII. Philadelphia, 1890-1906. 8. 



Earlier proceedings of this section in Transactions of the American ento- 

 mological society {v. infra). 



AMERICAN JOURNAL OF CONCHOLOGY. v. I-VII, Feb. i865-May 1872. 

 Philadelphia, 1865-72. 8. 



v. 1-2 pub. by the editor, G. W. Tryon, jr.; v. 3-7 by the Conchological 



section. No more published. 

 Prices: $40 for the set of 7 vols. ; separate volumes, $6 each. 



