448 {March 21, 
W. L. Stevens (114); U. S. Naval Institute (114); Leander 
McCormick Observatory (114); Cincinnati Observatory (114); 
Dr. Robert Peter (114), the Chicago Historical Society (114) ; 
the Wisconsin State Historical Society; the Christiania Uni- 
versity (112); the K. L. C. Deutschen Akademie at Halle 
(108, 110, 111, 112; wants 109), and the Natural Historical 
Society, Northumberland, &c. (XVI i, 114). 
Letters of envoy were receivéd from the K. L, 0. D. Akade- 
mie, November 8, 1883; Prof. W. L. Stevens; the Proprietors 
of Locks and Canals on the Merrimac river; James B. Francis, 
of Lowell, Massachusetts (wants 75, 96); the Department of 
Internal Affairs of Harrisburg, Pennsylvania; and the Cincin- 
nati Observatory. 
Donations for the Library were received from the Hgyptian 
Institute; the Society at Stuttgard; the Revista Euskara; 
Revue Politique, Geographical Societies of Paris and Bor- 
deaux; J. A. K. Newlands and J. Hambden, of London; the 
R. G. S. Cornwall; Canadian Record; J. B. Francis, of 
Lowell; American Chemical Society; American Bookseller ; 
W.L. Stevens; H. Phillips, Jr.; Second Geological Survey of 
Pennsylvania; U.S. Bureau of Education; T’. Gill; American 
Chemical Journal; American Journal of Philology; Univer- 
sity of Cincinnati; C. Whittlesey; Chicago Historical So- 
ciety; A. T. Andreas, and the A. A. A.S. 
The death of Dr. Alfred L. Elwyn, at Philadelphia, March 
15, aged 80, was announced by Mr. J. 8. Price, and, on motion, 
the President was authorized to appoint a suitable person to 
prepare an obituary notice of the deceased. 
The Librarian reported that he had received from Dr. 
Brinton the trunk of documents mentioned in the minutes of © 
April 6, 1883, and requested orders respecting its disposal. 
Pending nominations Nos. 1011 to 1015, and new nomina- 
tions Nos. 1016 to 1022, were read. 
An obituary notice of Strickland Kneass, by Mr. Fred. 
Graeff, was read by the Secretary. 
A communication was received from Prof. Claypole, of 
Oberlin, Ohio, entitled, “On the Clinton and’ other Shales, 
