— XXV - 



Joseph Leidy^ M. D. Remarks on a Goal Fossil, etc. 



Joseph Leidy, M. D. Remarks on Elephant Remains. 



C. Newlin Peirce. Remarks on Stephanoceros. 



H. G. Chapman, M. D. On the Disposition of the Great Omentum 



in Cynocephalu» porcarius, etc 

 Persifor Fraser, Jr. On the Trias of York Co., Pa. 

 Joseph Leidy^ M. D. On a ciirious Rhizopod. 

 Joseph Leidy, M. D. On Psorosperms in a Mallard Duck. 

 Joseph Leidy, M. D. On a Mouthless Fish. 

 Joseph Leidy, M. D. On Ouramcelba. 



Chas. A. Young. The Occurrence of Celestine in Blair Co., Pa. 

 Persifor Franger, Jr. On the Striicture of the York Co. Valley 



Limestone and on Micro-photography of Miuerals. 

 EllioU Coues, M. D. Synopsis of the Geomydee. 

 T. A. Conrad. Description of a new Fossil Shell from Peni. 

 W. G. Binney. On the Jaw Linguai Membrane of North American 



Terrestrial Pulmonata. 

 Binney. On the Jaw of Pulmonata. 

 Edward Cope. On an Indian Kitchenmieden. 

 B. F. Lautenbach, M. D. The Physiological Action of Hemlock and 



its Alkaloid. 

 Joseph Leidy, M. D. On Mermis acuminata. 

 Thomas Meehan. Variations in the Stipular Spines of Robinia 



pseudacacia. 

 H. C. Chapman, M. D. On the Anatomy of the Giraffe. 

 H 0. Chapman, M. D. Post-mortem Examination of an Elephant. 

 Edward D. Cope. On Fossil Remains of Reptilia and Fishes. 

 Edivard B. Cope. On Fossil Lemurs and Dogs. 

 Edward D. Cope. On the Antelope-Deer of the Santa Fé Marls. 

 Edward D. Cope. On some new Fossil Ungulata. 

 Edward B. Cope. The Phylogeny of the Camels. 

 C N. Peirce. Living Organisms in the Pulp Cavity of Teeth. 

 Joseph Willcox. On Samarskite. 

 Edwa/rd B. Cope. The Geology of New Mexico. 

 John L. Leconte, M. D. The Geology of New Mexico. 

 Thomas Meehan. Fruiting of Doublé Peaches. 

 Thomas Meehan. The Relation of Light to Stornata. 

 Edivard B. Cope. On an Extinct Vulturine Bird. 

 EllioU Coues, M. D. A criticai Review of the North American 



Saccomyidse. 



