NATURAL SCIENCES OF PHILADELPHIA. 255 



May 4. 



The President, Dr. Ruschenberger, in the chair. 

 Twenty-one members present. 



On an Indian Kitchenmidden. Prof. Cope exhibited a collection 

 of animal remains and fragments of pottery, flint arrow-heads, 

 etc., taken from an Indian kitchenmidden, in Charles County, 

 Maryland, by Oliver Norris Bryan. He stated that the animal 

 fragments included the bones of seventeen species of vertebrata, 

 and two of shells. Of the vertebrates, four are mammals, two 

 birds, four reptiles, and seven fishes. The mammals are the Vir- 

 ginia deer, the raccoon, the gray squirrel, and the opossum. The 

 bones of the Virginia deer are very numerous, and most of them 

 had been split into pieces lengthwise for the purpose of extract- 

 ing the marrow. Many portions of bones from all parts of the 

 skeleton were preserved, including portions of bones. Of the 

 raccoon three mandibular rami occur, with two of the squirrel, 

 and one of the opossum. 



The birds are represented by a number of parts of the turkey 

 and the tarsometatarse of some natatorial bird of the size of a 

 widgeon. The reptiles are all turtles, and include the snapper, the 

 box tortoise, and two emydes, one the Malaclemmys palustris, the 

 other probably the Pseudemys rugosa. Of fishes there are dermal 

 bones of sturgeons, various parts of the skeleton of the gar 

 (Lepidosteus crassus), and numerous bones of Siluroids of at 

 least two species. The larger of these has the pectoral spine 

 strongly pectinated. The smaller exhibits only an obsolete pec- 

 tination of the same. They are probably Amiurus lophius, Cope, 

 and A. lynx, Gird., respectively. There is a preoperculum of a 

 cycloid fish, perhaps a cyprinoid, and another preoperculum with 

 spiniferous border, belonging to some brackish water or anadro- 

 mous percoid. Numerous interneural and fin pieces indicate the 

 Rock-fish (Boccus lineatus). The mollusks are Unio purpureus 

 and Mesodon albolabris. 



May 11. 



The President, Dr. Ruschenberger, in the chair. 

 Twenty-three members present. 



On fossil Lemurs and Dogs Prof. Cope described a new genus 

 of lemurs from the eocene deposits of the Rocky Mountains, 

 stating that it belonged to the type which he had originally shown 

 to have relations with the Procyonidse and other related low 



