NATURAL SCIENCES OF PHILADELPHIA. 333 



Wear necklaces. Of the latter, the women wear glass beads, while 

 the men use teeth of animals, principally the canine teeth of tigers. 

 Mr. Gabb stated that he had submitted to the American Philo- 

 sophical Society a detailed report of his observations of the Costa 

 Rica Indians, with vocabularies of their several languages. 



Compressed Peat. Mr. Roberts called attention to a piece of 

 artificially compressed New Jersey peat, prepared at the People's 

 Iron Works, Philadelphia, by Mr. John Cooper. 



The peat in a dry brown powder was fed into a cylinder and 

 subjected to pressure by means of a drop hammer weighing 1500 

 pounds, falling a distance of 11 inches. The result was a compact 

 mass of a black color, having a conchoidal fracture, and the lustre 

 of bituminous coal. 



July 27. 

 The President, Dr. Ruschenberger, in the chair. 

 Thirteen members present. 



The following resolution was unanimously adopted: 



Resolved, That the Acadenry of Natural Sciences of Philadelphia 

 cordially invite the American Association for the Advancement of 

 Science to meet in Philadelphia in 1876. 



Geo. Milliken, Jas. B. England, and Howard A. Kelly were 

 elected members. 



Papers entitled "Report on the Reptiles brought by Prof. 

 James Orton from the Middle and Upper Amazon and Western 

 Peru," by E. D. Cope; and "Note on the Icthyology of Lake 

 Titicaca," by E. D. Cope, were ordered to be published in the 

 Journal. 



The Committee to which they had been referred recommended 

 the following papers to be published. 



