CONTENTS OF VOLUME VI vii 



PAGE 



Studies for Students: The Development and Geological Relations of 



the Vertebrates (Part III — Reptilia). E. C. Case - 711 



Editorial ...-...._..... 737 



Summaries of Current North American Pre-Cambrian Literature. 



C K. Leith ----------- j^g 



Reviews : Elemente der Gesteinslehre, by H. Rosenbusch (review by J. P. 

 L), 754; A Text-book of Mineralogy with an Extended Treatise on 

 Crystallography and Physical Mineralogy, by E. S. Dana (review by 

 J. P. I.), 756; Manual of Determinative Mineralogy with an Introduc- 

 tion on Blowpipe Analysis, by George J. Brush (review by J. P. I.), 757 ; 

 The Lower Cretaceous Gryphaeas of the Texas Region, by Robert 

 Thomas Hill and Thomas Wayland Vaughan (review by W. T. Lee), 

 758 ; Le Granit des Pyrenees et ses phenomenes de contact, by M. 

 A. Lacroix (review by R. A. Daly), 759. Recent Bibliographies: 

 Bibliography and Index of North American Geology, Palaeontology, 

 Petrography, and Mineralogy for 1896, by F. B. Weeks; Bibliografia 

 Geologia y Minera de la Republica Mexicana, by R. Aguilar (review 

 by H. F. B), 763 ; Geological Survey of Kansas, Vol. Ill, 1898, by Dr. 

 E. Haworth and W. R. Crane (review by W. N. L.), 764; Twenty- 

 second Annual Report Indiana Geological Survey, by W. S. Batchley 

 (review by W. N. L.), 765 ; Sixth Annual Report Iowa Geological 

 Survey, by Samuel Calvin (review by J. W. F.), 766 - 754 _ 7°7 



Recent Publications ---------- 768 



NUMBER VIII. 



Bowlder-Pavement at Wilson, N. Y. G. K. Gilbert ... - 771 



Geographical Relations of the Trias of California. James Perrin 



Smith - 776 



The Petrographical Province of Essex County, Mass. I. Henry S. 



Washington ----------- 787 



The Genetic Classification of Geological Phenomena. Charles R. 



Keyes ------------ 809 



Studies for Students : The Development and Geological Relations of 



the Vertebrates (Part IV — Aves. Part V — Mammalia). E. C. Case 816 



Summaries of Current North American Pre-Cambrian Literature. 



C. K. Leith ----------- 840 



Reviews : The Naples Fauna (Faunas with Manticoceras Intumescens) in 

 Western New York, by John M. Clarke (review by Stuart Weller), 

 855 ; Geological Survey of Canada, Annual Report, New Series, Vol. 

 IX, 1896, by Dr. G. M. Dawson (review by R. D. George), 857 - 855-858 



Index to Volume VI --------- - 859 



