CONTENTS 121 



Page 



MoUusca of the Carrizo Creek beds and their Caribbean affinities 

 [abstract] ; by Roy E. Dickerson 148 



Proposed correlation of the Pacific and Atlantic Eocene [ab- 

 stract] ; by Roy E. Dickerson 148 



Paleozoic glaciation in southeastern Alaska [abstract] ; by Edwin 

 Kirk 149 



Principles of classification of Cyclostome bryozoa [abstract] ; by 

 F. Canu and R. S. Bassler. 151 



Fauna of the Meganos group ; by B. L. Clark 152 



Fossil mammals of the Tiffany beds [abstract] ; by W. D. Matthew 

 and Walter Granger 152 



Fauna of the Idaho Tulare Pliocene of the Pacific Coast region ; 

 by J. C. Merriam 152 



Revision of the Pseudotapirs of the North American Eocene [ab- 

 stract] ; by O. A. Peterson 152 



Notes on the American Pliocene rhinoceroses [abstract] ; by 

 W. D. Matthew 153 



New artiodactyls from the Upper Eocene of the Uinta Basin, 

 Utah [abstract] ; by O. A. Peterson 153 



Marine Oligocene of the west coast of North America [abstract] ; 

 by B. L. Clark and Ralph Arnold 153 



The question of paleoecology ; by F. E, Clements 154 



Note on the evolution of the femoral trochanters in reptiles and 

 mammals ; by William H. Gregory 154 



Carboniferous species of "Zaphrentis" ; by G. H. Chadwick 154 



Extinct vertebrate faunas from the Badlands of Bautista Creek 

 and San Timoteo Canyon of southern California; by Childs 

 Frick 154 



Notes on Eif el brachiopods ; by G. H. Chadwick 154 



Register of the Pittsburgh meeting, 1917 . . ♦ 155 



Officers, Correspondents, and members of the Paleontological Society 155 



Minutes of the Eighth Annual Meeting of the Pacific Coast Section of the 



Paleontological Society ; by Chester Stock, Secretary 160 



Election of officers 161 



Presentation of papers 161 



Systematic position of the Dire wolves of the American Pleisto- 

 cene ; by J. C. Merriam 161 



Note on the occurrence of a mammalian jaw, presumably from 

 the Truckee beds of western Nevada [abstract] ; by J. C. Jones 161 



Pinnipeds from Miocene and Pleistocene deposits of California 

 [abstract] ; by Remington Kellogg 161 



Puma-like cats of Rancho La Brea ; by J. C. Merriam 161 



Gravigrade edentates in later Tertiary deposits of North America 

 [abstract] ; by Chester Stock 161 



Relationships of recent and fossil invertebrate faunas on the west 

 side of the Isthmus of Panama to those on the east side [ab- 

 stract] ; by Ida S. Oldroyd 162 



Tropitidae of the Upper Triassic of California [abstract] ; by J. P. 

 Smith 162 



