LIST OF CONTRIBUTORS. 33 



Cope, Edward I). Continued. 



On remains of horses. P '82, 291 



On the Condylarthra. P '82. 95 



On Uintatherium, Bathmodon and Triisodon. P '82, 294 



• Nates on the geographical distribution of Batrachia and 

 Reptilia in western North America. P '83, 10 



On a new extinct genus of Sirenia, from South Carolina. 



P '83, 52 

 - — The tritubercular type of superior molar tooth. P '83, 56 



— On Dinodipsas and Causus. P '83, 57 



— Permian fishes and reptiles. P '83, 69 



— On the mutual relations of the bunotherian Mammalia. 

 P '83, 77 



— On the characters of the skull in the Hadrosauridae. P '83, 97 



— On some Vertebrata from the Permian of Illinois. P '83, 108 



— The fishes of the Batsto River, N. J. P '83, 132 



— On the fishes of the recent and Pliocene lakes of the west- 

 ern part of the Great Basin, and of the Idaho Pliocene lake. 

 P '83, 134 



- — On some fossils of the Puerco formation. P '83, 168 



— On extinct Rhinoceri from the Southwest. P '83, 301 



— A fin-back whale (Bahenoptera) recently stranded on the 



New Jersey coast. P '91, 474 



— A contribution to a knowledge of the fauna of the Blanco 

 Beds of Texas. P '92, 226 



— On the permanent and temporary dentitions of certain 



three-toed horses. P '92, 325 



— A Hyena and other Carnivora from Texas. P '92, 326 



— The Batrachia and Reptilia of northwestern Texas. P '92, 

 331 



— A new T extinct species of Cyprinidge. P '93, 19 



— A contribution to the herpetology of British Columbia. 



P '93, 181 



— Description of a lower jaw of Tetrabelodon shepardii Leidy. 

 P '93. 202 



— On a collection of Batrachia. and Reptilia from southwest 



Missouri. P '93, 383 



— On the Batrachia and Reptilia of the plains at latitude 

 36° 30'. P '93. 386 



— Fossil fishes from British Columbia. P '93, 401 



— Heredity in the social colonies of the Hymenoptera. P 

 '93, 436 



