BULLETIN No. 3, VOL. IV 



TABLE OF CONTENTS. 



Nos. Tiiles. Pages. 



AET, XV.— The GeograpMcal Distribution of the Mammalia, 

 considered in relation to the principal Ontological 

 Regions of the Earth, and the Laws that govern 

 the Distribution of Animal Life. By Joel Asaph 

 AUen 313-378 



ART. XVI.— Descriptions of New Extinct Vertebrata from the 

 Upper Tertiary and Dakota Formations. By E. 

 D. Cope 379-396 



ART. XVIL— Notes^ on a Collection of Fishes from the Rio Grande, 



at Brownsville, Texas. By David S. Jordan, M. D. 397-406 



ART. XVIIL— A Catalogue of the Fishes of the Fresh Waters of 



North America. By David S. Jordan, M. D 407-442 



ART. XIX.— Description of a Fossil Passerine Bird from the Insect- 

 bearing Shales of Colorado. By J. A. Allen. 

 (Plate I.)..- 443-446 



ART. XX.— The Coleoptera of the Alpine Regions of the Rocky 



Mountains. By John L. LeConte, M. D 447-480 



ART. XXL— On the Orthoptera collected by Dr. Elliott Coues, U. 

 S. A., in Dakota and Montana, during 1873-74. 

 By Prof. Cyrus Thomas 481-502 



ART. XXIL— On the Hemiptera collected by Dr. Elliott Coues, U. S. 

 A., in Dakota and Montana, during 1873-74. By 

 P. R. Uhler • 503-512 



ART.XXIIL— On the Lepidoptera collected by Dr. Elliott Coues, 

 U. S. A., in Montana, during 1874. By W. H. 

 Edwards 513-518 



ART. XXIV.— An Account of some Insects of unusual interest from 

 the Tertiary Rocks of Colorado and Wyoming. 

 By S. H. Scudder 519-544 



