PROCEEDINGS 
OF THE 
Sie Loe N; PHELOSOPHICAL SOCIETY. 
Vor. x VIL. JUNE to DECEMBER, 1877. No. 100. 
Stated Meeting, May 20th, 1877. 
Present, 12 members. 
Vice-President, Mr. Pricz, in the Chair. 
Prof. Geo. Stuart and Dr. Rothrock, newly-elected mem- 
bers, were introduced to the presiding officer and took their 
seats. 
A letter accepting membership was received from Mr. J. 
Douglass, dated Phoenixville, Pa., May 8, 1877. 
Letters of envoy were received from the R. Academy at 
Amsterdam, December 1, 1876, and from the U. 8S. De- 
partment of the Interior at Washington. 
Letters of acknowledgment were received from the R. A. 
Amsterdam, January 6, 1877 (95, 97); B.S. N. H., May 10, 
1877 (96, 98); Dr. Green, Lib. Rensselaer Pol. Inst., May 
11, 1877 (Cat. I-II.). 
Donations were received from the R. A., Amsterdam; Ger. 
Geol. Soc., Berlin; Zool. Gart. Frankfort; N. H. 8. Leip- 
sig; R. A. d. L., Rome; Vaudois Soc. Lausanne; Geog. 
Soc. and Rev. Pol. Paris, and Nov. Met.; B. H. N.S.; Mr. 
Hubert Howe Bancroft, of New York; Mr. W. E. Dubois; 
Penn Monthly; Med. News and Lib. Philadelphia; Coms. 
2d Geol. Sur. Pa.; Howard University, Washington, D. C.; 
PROC. AMER. PHILOS. soc. xvir. 100. A. PRINTED JAN. 8, 1878. 
