INDEX TO VOLUME XXXI 695 



PAGE 



Great Barrier Reef, Problems of the. By H. C. Richards. Book Notice 616 

 Green Mountain Range, Notes on the Areal and Structural Geology of a 



Portion of the Western Flank of the. By Nelson C. Dale. Review 



by A. C. McF 167 



Green River Formation, Revision of the Flora of the, with Descriptions 



of New Species. By F. H. Knowlton. Review by A. C. N. . . 614 

 Greenland, A Summer in. By A. C. Seward. Review by T. C. C. . 253 

 Greenland, Some New Features in the Physiography and Geology of. 



By Lauge Koch 42 



Gregory, J. W., The Rift Valleys and the Geology of East Africa. 



Review by R. T. C. 163 



Grenville Limestone, ALmandite and Its Significance in the Contact 



Zones of the. By George W. Bain 650 



Gruner, John W. Algae, Believed to Be Archean 146 



Guide Book of the Western United States, Part E. The Denver and Rio 



Grande Western Route. By Marius R. Campbell. Review by 



R. T. C 160 



Hanna, G. Dallas. Review of Fauna from the Eocene of Washington, 



by Charles E. Weaver and Katherine Van Winkle Palmer . . 261 

 . Review of North American Later Tertiary and Quaternary 



Bryozoa, by Ferdinand Canu and Ray S. Bassler .... 686 

 Hanover District, New Hampshire, The Structural and Metamorphic 



Geology of the. By J. W. Merritt. Review by A. C. McF. . 166 

 Hawaiian Volcanoes, The Lavas of the. By Henry S. Washington. 



Review by Albert Johannsen 82 



Hawaiian Volcano Observatory, Monthly Bulletin of the. Vol. X, 



No. 9. Book Notice 528 



Hobbs, WUliam H. Earth Evolution and Its Facial Expression. 



Review by Eliot Blackwelder 438 



. Review of The Friendly Arctic, by Vilhjalmur Stefansson . 154 



Home, John. The Geology of the Lower Findhorn and Lower Strath 



Nairn, Including Part of the Black Isle near Fortrose. Book Notice 528 



Ichthyosaurier des Lias und ihre Zusammenhange, Die. By Friedrich 



von Huene. Review by A. S. Romer . . .... 687 



Igneous Rock, The Final Consolidation Phenomena in the Crystalliza- 

 tion of. By R. J. Colony . 169 



Igneous Rocks, The Physical Chemistry of the Crystallization and Mag- 



matic Differentiation of. By J. H. L. Vogt .... 233, 407 



Indiana, Nomenclature and Description of the Geological Formations of. 

 Part IV, Handbook of Indiana Geology. By E. R. Cuinings. 

 Review by E. M. Kindle 259 



