VOLUME XXV 



THE 



NUMBER 6 



Journal of Geology 



A Semi-Quarterly 



Edited By 



THOMAS C. CHAMBERLIN AND ROLLIN D. SALISBURY 



* With the Active Collaboration of 



SAMUEL W. WILLISTON. Vertebrate Paleontology ALBERT JOHANNSEN, Petrology 



STUART WELLER, Invertebrate Paleontology ROLLIN T. CHAMBERLIN, Dynamic Geology 



ALBERT D. BROKAW, Economic Geology 



ASSOCIATE EDITORS 



SIR ARCHIBALD GEIKIE, Great Britain 



CHARLES BARROIS, France 



ALBRECHT PENCK, Germany 



HANS REUSCH, Norway 



GERARD DeGEER, Sweden 



T. W. EDGEWORTH DAVID, Australia 



BAILEY WILLIS, Leland Stanford Junior University 



GROVE K. GILBERT, Washington, D.C. 



CHARLES D. WALCOTT, Smithsonian Institution 



HENRY S.WILLIAMS, Cornell University 



JOSEPH P. IDDINGS, Washington, D.C. 

 JOHN C. BRANNER, Leland Stanford Junior University 

 RICHARD A. F. PENROSE, Jr., Philadelphia, Pa. 

 *WILLIAM B. CLARK, Johns Hopkins University 

 WILLIAM H. HOBBS, University of Michigan 

 FRANK D. ADAMS, McGill University 

 CHARLES K. LEITH, University of Wisconsin 

 WALLACE W. ATWOOD, Harvard University 

 WILLIAM H. EMMONS, University of Minnesota 

 ARTHUR L. DAY, Carnegie Institution 

 *Deceased. 



SEPTEMBER-OCTOBER 1917 



STRUCTURE OE THE ANORTHOSITE BODY IN THE ADIRONDACK^ H. P. Gushing 501 



ADIRONDACK INTRUSIVES N. L. Bowen 509 



ADIRONDACK INTRUSIVES - H. P. Cushing 512 



A REVIEW OF THE AMORPHOUS MINERALS Austin F. Rogers 515 



THE CHAMPLAIN SEA IN THE LAKE ONTARIO BASIN - Kirtley F. Mather 542 



THE RELATIONSHIPS OF THE FOSSIL BIRD PALAEOCHENOIDES MIOCEANUS 



Alexander Wetmore 555 



A STUDY OF THE FAUNAS OF THE RESIDUAL MISSISSIPPIAN OF PHELPS 



COUNTY (CENTRAL OZARK REGION), MISSOURI - - Josiah Bridge 558 



EVIDENCE BEARING ON A POSSIBLE NORTHEASTWARD EXTENSION OF MISSIS- 

 SIPPIAN SEAS IN ILLINOIS - - - W. W. Davis 576 



DISCUSSION OF "SOME EFFECTS OF CAPILLARITY ON OIL ACCUMULATION," BY 



A. W. McCOY - C. W. Washburne 584 



PETROLOGICAL ABSTRACTS AND REVIEWS ------ Albert Johannsen 587 



REVIEWS - - - - - - v- 594 



THE 



UNIVERSITY OF CHICAGO 



CHICAGO, ILLINOIS, U.S.A. 



PRESS 



THE CAMBRIDGE UNIVERSITY PRESS, London and Edinburgh 



THE MARUZEN-KABUSHIKI-KAISHA, Tokyo, Osaka, Kyoto, Fukuoka, Sendai 



THE MISSION BOOK COMPANY, Shanghai 



