782 INDEX TO VOLUME XVIII 



PAGE 



Halbspharoid zur graphischen Losung bei Anwendung der Universal- 



methode. By W. Nikitin. Review by W. T. Schaller . . 578 



Halle, G. Neuer Hand-Demonstrationsapparat fiir alle Erscheinungen 



der Doppelbrechung im Kalkspat. Review by W. T. Schaller . 576 

 Handbook for Field Geologists. By C. W. Hayes. Review by R. T. C. 99 

 Hayes, C. W. Handbook for Field Geologists. Review by R. T. C. 99 

 Hillebrand, W. F. The Analysis of Sihcate and Carbonate Rocks. 



Review by Albert D. Brokaw ....... 478 



Hopkins-, Cyril G. Soil Fertihty and Permanent Agriculture. Review 



by J. Paul Goode ......... 565 



Hore, Reginald E. Diabase of the Cobalt District, Ontario . . 271 



-. On the Glacial Origin of Huronian Rocks of Nipissing, Ontario 459 



Huelva, Spain, Petrology and Structure of the Pyritic Field of. By 



A. M. Finlayson. Review by Albert D. Brokaw . .477 



Humboldt County, Nevada, Notes on Some Mining Districts in. By 



F. L. Ransome. Review by Charles J. Hares . . . -579 



Influence of the Earth's Rotation upon the Lateral Erosion of Streams, 



The. By Henry M. Eakin . . - 435 



Intrusive Granites and Associated Metamorphic Sediments in South- 

 western Rhode Isl9,nd. By G. F. Loughlin. Review by Albert 

 Johannsen .......... 480 



Iowa Geological Survey, Vol. XIX. Review by R. T. C. . . . 568 



Johannsen, Albert. Some Simple Improvements for a Petrographical 



Microscope. Review by Albert D. Brokaw .... 479 



Johnson, Douglas Wilson, and William Gardner Reed, Jr. The Form 



of Nantasket Beach . . . . . .162 



Joly, J. Radioactivity and Geology. x\n Account of the Influence of 



Radioactive Energy on Terrestrial History. Review by R. T. C. 568 



Kansas, University Geological Survey of. Vol. IX, Review by G. H. G. 290 

 Keweenawan, Contribution to the Petrography of the. By Frank F. 



Grout ........... 633 



Knowlton, F. H. Succession and Range of Mesozoic and Tertiary 



Floras . . , . . . . . . . . 105 



Lacroix, A. Sur I'existence a la Cote dTvoire d'une serie petrograpliique 



comparable a celle de la charnockite. Review by F. C. Calkins 479 

 Lambe, Lawrence M. The Vertebrata of the Oligocene of the Cj^ress 



Hills, Saskatchewan. " Review by E. R. L. . . . . 677 



Lane, A. C. Notes on the Geological Section of Michigan. IL From 



the St. Peter Sandstone Up ....... 393 



Larkin, Pierce. The Occurrence of a Sauropod Dinosaur in the Trinity 



Cretaceous of Oklahoma . . . . ... .93 



