INDEX TO VOLUME XXVI 
Permo-Carboniferous Glacial eves of South America. By A. P. 
Coleman 
Petrochemische nterenehunsen! Th. I. By A. Osann. Review by 
Albert Johannsen s 
Petrological Abstracts and Reviews. By Albert Johannsen 
159 
PAGE 
310 
272 
82, 186, 272, 377, 471 
Physiographic Divisions of the United States, The Northward Exten- 
sion of the. By W.N. Thayer .. 5 TOK, Bay 
Pirsson, L. V. Geology of the Bermuda ilemds. Review De Albert 
Johannsen 275 
= she INP ewmsoapieel Characins of VWeleamite Tufis—A Study for 
Students. Review by Albert Johannsen 274 
Post-Glacial Mollusca from the Marls of Central Tiare: By Theale 
Collins Baker 650 
Powers, Sidney. Notes on the olen, ai Beetem Gnaionals andl 
Northwestern Spanish Honduras . 507 
Powers, Sidney, and Alfred C. Lane. Mugtiatic. Dreamin tion 7 
Effusive Rocks. Review by Albert Johannsen . Brite panes 8 OIGT6) 
Pre-Cambrian Geology of Southeastern Ontario, The. By Willet G. 
Miller and Cyril W. Knight. Review by Albert Johannsen . 88 
Pre-Cambrian Nomenclature in the St. Lawrence Basin, The Sub- 
provincial Limitations of. By M. E. Wilson 225 
Pumpelly, Raphael. My Reminiscences. Review by R. T. C. 479 
Oumkey Merencemls he Searey of the Kildeer Mountains, North 
Dakota 255 
Raton Mesa and Other Regions in Colorado and New Mexico, Geology 
and peo oreey, of the. By Willis T. Lee and F. H. Knowlton. 
Review by R. D. S. : : : : 5 478 
Recent Publications ; BSA. 57, OD 
Reminiscences, My. By Raphael Pingel. Review ee Renae: 479 
Reviews. . 5 IO, MOO, Ade. AGe)., 7A 
Rhythmic Bending af Manpanese Dirge 8 in olite Tuff. By W. A. 
Tarr 610 
Richards, H. C. The Woleanie Rock of ‘South: Eastern @ucenclanc 
Review by Albert Johannsen 278 
Ries, Heinrich. Economic Geology (ounen eihoon). Review by 
A) AB : ; 4 : ; ; : i 05 
St. Hilaire (Beloeil) and Rougemont Mountains, Saas Bivanleooe 
O’Neill. Review by Albert Johannsen sl) SF 
St. Louis Area, Notes on the Mississippian Chert of ane By Donald C. 
Barton 361 
Santo Domingan Paleontological Ee plonaione By, Carlotta i 
Maury 224 
Sauropod TAS nies, The Hae of te: Be Gharles C. Mook ; 459 
