vi CONTENTS OF VOLUME VI 



PAGE 



Clay Deposits and Clay Industry in North Carolina, by Heinrich Reis 

 (review by H. F. Bain), 545 ; Lehrbuch der praktischen Geologie. 

 Arbeits- und Untersuchungsmethoden auf dem Gebiete der Geologie, 

 Mineralogie, und Paleontologie, von Dr. Konrad Keilhack (review by 

 R. D. &,), 547 ---------- - 542-548 



Recent Publications ---------- 549 



NUMBER VI. 



Geology of a Portion of the Southern Coast Ranges. H. W. Fair- 

 banks - - 55 1 



The Middle Coal Measures of the Western Interior Coal Fields. 



H. F. Bain and A. G. Leonard - ----- - 577 



Kettles in Glacial Lake Deltas. H. L. Fairchild - 589 



A Systematic Source of Evolution of Provincial Faunas. T. C. 



Chamberlin ----------- 597 



The Influence of Great Epochs of Limestone Formation upon the 



Constitution of the Atmosphere. T. C. Chamberlin - - 609 



Studies for Students : The Development and Geological Relations of 



the Vertebrates (Part III— Reptilia). E. C. Case ... - 622 



Editorial - - - 647 



Reviews: Stratigraphy of the Southern Ozarks — "Thickness of the Palaeo- 

 zoic Sediments in Arkansas," by John C. Branner ; " Bate'sville Sand- 

 stone of Arkansas," by Stuart Weller ; " Marine Fossils from the Coal 

 Measures of Arkansas," by James Perrin Smith; "Geological Recon- 

 naissance of the Coal Fields of the Indian Territory," by Noah Fields 

 Drake (review by C. R. Keyes), 652 ; The Newark System or Red 

 Sandstone Belt (of New Jersey), by Henry B. Kiimmel (review by R. 

 D. S.), 659 : The Geological History of the Isthmus of Panama and 

 Portions of Costa Rica, by Robert T. Hill (review by R. D. S.), 661 652-668 



Recent Publications - - - - - - - - - - 669 



NUMBER VII. 



The Classification of Rock Formations. H.S.Williams - - - 671 

 The So-Called Cretaceous Deposits in Southern Minnesota. F. W. 



Sardeson - ....--.-- 679 



The Silurian Fauna Interpreted on the Epicontinental Basis. 



Stuart Weller ----------- 692 



Bysmaliths. J. P. Iddings --------- 704 



