1884.] 457 
Stated Meeting, April 18, 1884. 
Present, 12 members. 
President, Mr, FRALEY, in the Chair. 
Mr. Vaux was introduced and took his seat. 
Letters of acknowledgment were read from the Vienna Cen 
tral Institute for Meteorology (113), Royal Danish Society 
(112), Yale College (114), Vassar Bros. Institute (114), Mary- 
land Historical Society (114), and the Franklin Institute (du- 
plicate numbers of their Journal). 
Donations for the Library were received from the Heyptian 
Institute ; the Geological Survey of India; the Imperial Bo- 
tanical Garden, St. Petersburg; the Royal Academy, Bruxelles; 
R. Accademia dei Lincei, Archives of the Chamber of Depu- 
ties, Rome; Society of Natural Sciences, at Pisa; Société de 
Geographie, Annales des Mines, and Revue Politique; Socié'é 
de Géographia Commerciale; Journal of Forestry and London 
Nature; Robert Atkinson, LL.D., Dublin; Canadian Institute ; 
Boston Society of Natural History; American Journal of 
Pharmacy, Engineers’ Club, A. E. Foote, Persifor Frazer and 
Henry Phillips, Jr., Philadelphia; Johns Hopkins University ; 
U. 8. Naval Institute; U. S. Department of the Interior; 
Chicago Historical Society, American Antiquarian, and Wil- 
liam Bross, of Chicago. 
A letter from Mr. William Brooke Rawle, Secretary of the 
Historical Society of Pennsylvania, to the President of the 
American Philosophical Society, dated April 17, 1884, was 
read, explaining the delay in returning the Penn and Logan 
Correspondence MS&., loaned to the Historical Society April 
18, 1879, and requesting permission to keep them a short time 
longer for the copyist. On motion, the request was granted. 
Mr. Phillips having prepared a Register of written com- 
munications printed in the Proceedings of the American Philo- 
sophical Society, Vols. I to XX, inclusive, it was, on motion, 
ordered to be printed. 
PROC, AMER, PHILOS. 800, XxI. 115, 8F, PRINTED MAY 12, 1884. 
