674 [Sept. 19, 
Stated Meeting Sept. 19, 1884. 
Present, 4 members. 
Letters accepting membership were received from Edward 
W.Syle, D.D., 609 Walnut Street, Philadelphia, August 29th ; 
from Sir John Lubbock, dated High Elms, Hayes, Kent, August 
6; and from N. A. Randolph, M.D., University of Pennsylva- 
nia, Medical Department, August 9, 1884. 
Acknowledgments were received from the Cambridge 
Library, England (110, 111, 112); W. L. Stevens (11: ); the 
Royal Academy of Sivannes and Royal Zodlogical Society, 
Amsterdam nae 111, — 112); the Franklin Institute (115); 
and the Maryland Historieal Society (115). 
Letters of envoy were soddindl from the Musée Guimei, 
August 23; the Manchester Library and P hilosophie al Society ; 
and the CbciBridie Library, Eng] nes June 80, 
An invitation was received to assist at the Twenty-fifth An- 
niversary of the Natural History Society, at Chemnitz. 
A circular letter was received from Gen. CO. B. Norton, re- 
specting the American Exhibition of 1886, at London. 
Donations to the Library were received from the Geological 
Survey of India; the Academy of Sciences at Batavia; the 
Royal Society of New South Wales; the Office of Mines at 
Melbourne; the Royal Society of Tasmania; the Physical- 
Central Observatory at St. Petersburg; the Imperial Society 
of Naturalists at Moscow; the Imperial Royal Central In- 
stitute, Geological Reichsanstalt, Zodlogico-Botanical, and 
Geographical Societies at Wien; M. August Tischner at Leip- 
zig; the Scientific Society of Upper Lusatia; the Royal Prus- 
sian Academy and German Geological Society at Berlin; the 
Royal Danish Society of Sciefices; the Institute of the Grand 
Duchy of Luxembourg; the Royal Academy of Sciences at 
Amsterdam ; the Holland Society of Sciences, and Tyler Mu- 
seum ; the Royal Academy of Sciences, Royal Observatory and 
Department of the Interior at Brussels; the Venetian Institute 
of Sciences; the Royal Academy of Sciences at Turin; the 
