834 INDEX TO VOLUME XXII 



PAGE 



New and Little -known Insects from the Miocene of Florissant, Colo- 

 rado. By T. D. A. Cockerell 714 



Norton, W. H., and Others. Underground Water Resources of Iowa. 



Review by M. M. Leighton 630 



Oblique Illumination in Petrographic Microscope Work. By Fred. 



Eugene Wright. Review by A. J 727 



Orogenic Epochs in the Geologic History of North America, A Summary 



of the. By Eliot Blackwelder 633 



Osteology of Some American Permian Vertebrates, The. By S. W. 



Williston 364 



Osteology of the Chalicotheroidea, The. By W. J. Holland and O. A. 



Peterson. Review by John C. Merriam 818 



Ottesen, P. O., and Carl Fred. Kolderup. Utsires fjelbygning og ber- 



garter. Review by A. J • . 285 



Paige, Sidney. The Origin of Turquoise in the Burro Mountains, New 



Mexico. Review by A. J 533 



Paleontology, Textbook of. Edited by Charles R. Eastman. Adapted 



from the German of Karl A. von Zittel. Review by S. W. . 287 

 Peterson, 0. A., and W. J. Holland. The Osteology of the Chalicothe- 

 roidea. Review by John C. Merriam 818 



Petrographic Classification, Problems of. Suggested by the "Kodurite 



Series" of India. By Whitman Cross 791 



Petrographic Methods. By Weinschenk-Clark. Review by Albert 



Johannsen 629 



Petrographic Methods, Manual of. By Albert Johannsen. Review by 



George D. Louderback 281 



Petrographic-microscopic Research, The Methods of. By Fred. 



Eugene Wright. Review by A. J. . . ' 726 



Petrographische Untersuchung der Casannaschieter des mittleren 



Bagnetales (Wallis). By Tadeusz Jerzy Woyno. Review by A. J. 725 

 Petrographisches Praktikum, II Teil, Gesteine. By Reinhold Rei- 



nisch. Review by Albert Johannsen 625 



Petrography of Some Igneous Rocks of the Philippines, The. By 



Joseph P. Iddings. Review by A. J 279 



Petroleum and Natural Gas in Oklahoma. By L. C. Snider. Review 



byA. D. B. . 287 



Petrological Abstracts and Reviews . . . 189, 275, 437, 529, 625, 725 

 Petrology, Text Book of; The Sedimentary Rocks. By F. H. Hatch 



and R. H. Rastall. Review by E. A. Stephenson .... 27S 

 Phenomenon of the Kansan Drift in Nebraska, A. By Erwin H. 



Barbour 807 



