Annual Meeting.] 292 [May 2, 
The library contains 21,250 volumes, 1,229 incomplete (includ- 
ing current) volumes, and 9,092 pamphlets. 
New exchanges have been arranged with six institutions as 
folloM's : Geographical club of Philadelphia ; Guernsey society of 
natural science; Museo nacional Montevideo; Bohemian acad- 
emy for natural science and literature (Prag) ; (xcological survey 
of New South Wales; School of mining, Kingston, Ontario. 
By purchase we have added nine serials, La cellule, Monitore 
zoologico italiano, Annals of botany, Journal de I'anatomie et de 
la physiologic, Nautilus, Memoirs of the national academy, 
Murray's Phycological memoirs, Recueil zoologique Suisse, 
Bulletin of the department geology University of California. 
The Society now exchanges its publications with 378 scientific 
societies and periodicals. A list of these exchanges, together 
with the serials received, is appended in the expectation that its 
publication will suggest desirable additions. 
One thousand and sixty-eight books have been borrowed from 
the library by 111 persons, 305 books have been borrowed for use 
in the building, and the library has been consulted 542 times. 
These figures all show an increase over those of recent years. 
Five hundred and seventy-six volumes have been bound in 
409 covers. The indexing of serials commenced Inst year has 
been continued. 
The list of the 12 serials, 183 volumes, indexed this year is as 
follows : — 
Acndemy of natural sciences of Philadelphia, Journal 
(1st ser.). 'S vols. 
American philosophical society. Transactions. 22 vols. 
Annals of botany. 7 vols. 
Jena. Medizinisch-naturwissenschaftliche gesellschaft, 
Denkschriften. 3 vols. 
Johns Hopkins university. Studies fi'om the biological 
laboratory. 5 vols. 
Linnean society of London, Journal. 51 vols. 
Museum of comparative zoology, Bulletin. 24 vols. 
National academy. Memoirs.- 6 vols. 
Ho3':d microscopical society. Journal. 16 vols. 
Tryon's Mnnunl of conchology. 21 vols. 
U. S. «lepartment of agriculture, N. A. fauna (G nos.). 3 vols. 
Fish commission. Reports. 17 vols. 
