Index to Volume XXX 



PAGE 



Adapting a Short-Bellows, Roll-Film Kodak for Detail Work in the 



Field. By Chester K. Wentworth 158 



Age of the Domes and Anticlines in the Lost Soldier-Ferris District, 



Wyoming, The. By A. E. Fath 303 



Allen, R. C, and Barrett, L. P. Contributions to the Pre-Cambrian 



Geology of Northern Michigan and Wisconsin. Review by. A. C. 



McF 85 



American Species of Orthophragmina and Lepidocyclina, The. By 



Joseph A. Cushman. Review by A. C. McF 260 



Ammonite Evolution, Aspects of Ontogeny in the Study of. By A. E. 



Trueman 140 



Androscoggin River, Former Courses of the. By Irving B. Crosby . 232 

 Annotated Index of Minerals of Economic Value, to Accompany a 



Bibliography of Indian Geology and Physical Geography. An. 



Compiled by T. H. D. la Touche, M.A., F.G.S. Review by A. C. 



McF 88 



Apus in the Permian of Oklahoma, On the Occurrence of an. By 



Rudolf Ruedemann 311 



Arber, E. A. Newell. The Earlier Mesozoic Floras of New Zealand. 



Review by A. C. McF 657 



Aspects of Ontogeny in the Study of Ammonite Evolution. By A. E. 



Truemann 140 



Aurousseau, M., and Washington, Henry S. The Nephelite Syenite 



and Nephelite Porphyry of Beemerville, New Jersey. . . . 571 



Baker, Frank Collins. Pleistocene Mollusca from Northwestern and 



Central Illinois 43 



Barrows, Harlan H. Review of World Atlas of Commercial Geology; 

 Part I, Distribution of Mineral Production, by United States Geo- 



, logical Survey 650 



Bassler, R. S. Systematic Report on the Cambrian and Ordovician of 



Maryland. Review by A. C. McF 84,176 



Bastin, E. S. Editorial 631 



. Reviews . 83,263,264,325,335,336,411,412,509,511,719,723 



Bather, F. A. Growth-Stages of the Blastoid, Orophocrinus Stelliformis 73 

 Beal, Carl H., and Lewis, J. O. Some Principles Governing the Produc- 

 tion of Oil Wells. Review by W. 0. G 264 



725 



