NATURAL SCIENCES OF PHILADELPHIA. 339 



tei'a, from Texas, by Dr. G. Lincecum ; and a small collection of 

 coleoptera, by J. R. Willis, of Halifax, N. S. 



The spawn of a mollusk from the Pacific was presented by Dr. 

 Geo. Davidson, and a specimen of Pheronema Grayi, by W. Savillc 

 Kent. 



Osteological, Ethnological, and Miscellaneous Specimens. — A 

 well-preserved mummy from near Ancon, Peru, was presented by 

 Mr. Edm. W. Sartori. Two skulls of Caciques, of the Peguenche 

 tribe, of Chili, were presented by Dr. S. Wier Mitchell. The 

 skull of a Flat-head, from Washington Territory, was presented 

 by Dr. J. M. Kollick. The skull of a Walrus, from Sable Island, 

 N. S., was presented by J. R Willis, of Halifax, N. S. 



The following specimens were also received : A shark's jaws, 

 from Capt. Westcott, U.S.N. ; the dermal covering of a large Alli- 

 gator Gar, from Mr. Swaim ; three ancient stone hammers from 

 the copper region of Keweenaw Pt., L. S.,from Francis R.Abbott; 

 a section of a birch tree, fifteen inches in diameter, cut by beavers, 

 from Keweenaw Pt., L. S., from B. A. Hoopes ; and the fangs of a 

 large Rattlesnake from California, from Prof. A. Du Bois. 



Dr. H. C. Yarrow presented a small collection of shells, bones, 

 and fragments of pottery from ancient shell heaps on Hawkins's 

 Island, N. C. 



Fossils. — Dr. J. Yan A. Carter and Dr. Joseph K. Corson, 

 U.S.A., of Fort Bridger, Wyoming, presented a collection of re- 

 mains of extinct mammals, crocodilians, and chelonians, and some 

 shells, from an early tertiary deposit of Wyoming. These remains 

 pertain to species described during the year in the Proceedings 

 of the Academy. Dr. Showalter presented a large portion of the 

 skeleton, including the skull of Clidastes iguanavus, from the 

 cretaceous formation of Alabama. Dr. Isaac Lea presented a 

 portion of the lower jaw of Rhinoceros tichorhinus, and a molar 

 of Elephas pinmigenius from near Florence, Italy. Mr. S. R. 

 Roberts presented a small collection of mosasauroid remains from 

 Kansas. There were also presented the following : Six fossils, by 

 J. W. Queen ; five by Mrs. R. Hoffman ; two by T. Guilford Smith; 

 three by Thomas Meehan ; two by Dr. H. C. Chapman ; two by 

 Lotta Town ; one by Guy Bryan ; one by C. S. Westcott ; one by 

 C. S. Bement ; one by Mr. Castor ; and one by an unknown donor. 



Plants. — Sixtj^-seven species of Mexican plants were presented 

 by C. Mohr, of Mobile. A collection of plants from the vicinity 

 1872"' 



