yoo INDEX TO VOLUME XXXI 



PAGE 



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



By Lauge Koch 42 



Physiography and Glaciology of Middle West Greenland. Abstract of 

 Part of Results of Swiss Greenland Expedition. By Alfred de 

 Quervain, P. L. Mercanton, and Others. Review by Charles F. 

 Brooks 436 



Phytopalaontologie und Geologie. By W. Deecke. Review by A. C. Noe 165 



Pia, J. Untersuchungen iiber die Tektonik der Lessinischen Alpen und 

 iiber die Verwendung statistischer Methoden in der Tektonik, 

 I. Teil. Author's Abstract 527 



Pidatan Oil Field, Cotabato Province, Mindanao, Geologic Recon- 

 naissance of the. By Warren D. Smith. Book Notice . . . 166 



Plummer, F. B., and Moore, R. C. Stratigraphy of the Pennsylvanian 



Formations of North-Central Texas. Review by A. H. B. . 260 



Precision Projection Plot, A. By Fred E. Wright. Review by Albert 



Johannsen 84 



Priestley, R. E., C. S. Wright and. British (Terra Nova) Antarctic 



Expedition, 1910-1913. Glaciology. Review by T. C. C. . . 513 



Randall, H. R., Homer G. Turner, and. A Preliminary Report on the 



Microscopy of Anthracite Coal 306 



Red Beds of the Front Range in Colorado, The: A Study in Sedimenta- 

 tion. By A. J. Tieje 192 



Reviews 86,154,253,349,433,513,614,680 



Rhyolite, An Unusual, from the Blackall Range, South-Eastern Queens- 

 land. By H. C. Richards. Book Notice 616 



Richards, H. C. An Unusual RhyoUte from the Blackall Range, South- 

 Eastern Queensland. Book Notice 616 



. Problems of the Great Barrier Reef. Book Notice . . 616 



Richardson, Charles H., and Cabeen, Charles K. The Geology and 



Mineralogy of Braintree, Vermont. Review by A. C. McF. . . 167 



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



Review by R. T. C 163 



Robinson, W. I. Folds Resulting from Vertically Acting Forces . . 336 



Rock Analysis, An Improved Recording Micrometer for. By Chester 



K. Wentworth 228 



Rocks and Their Origins. By Grenville A. J. Cole. Review by T. B . R. 351 



Romer, A. S. Review of Die Familien der Reptihen, by Franz Baron 



Nopcsa 688 



. Review of Die Ichthosyaurier des Lias und ihre Zusammen- 



hange, by Friedrich von Huene 687 



Ruedemann, Rudolph. A Report on the Fossils of the So-called 

 Trenton and Utica Beds of Grand Isle, Vermont. Review by 

 A. C. McF 167 



