VOLUME XXV 



THE 



NUMBER 



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 



_*»afiotust 



JOSEPH P.IDDINGS, Washington, D.C. 

 JOHN C. BRANNER, Leland Stanford Junioi 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 



JANUARY-FEBRUARY 1917 



SYMPOSIUM ON THE AGE AND RELATIONS OF THE FOSSIL HUMAN REMAINS 

 FOUND AT VERO, FLORIDA: 

 Editorial Note --------------- x 



On the Association of Human Remains and Extinct Vertebrates at Vero, Flordoa 



E. H. Sellards 4 



Interpretation of the Formations Containing Human Bones at Vero, Florida 



rollin t. chamberlin 2$ 

 On Reported Pleistocene Human Remains at Vero, Florida 



Thomas Wayland Vaughan 40 

 Preliminary Report on Finds of Supposedly Ancient Human Remains at Vero, 



Florida ----------- Ales Hrdlicka 43 



The Quaternary Deposits at Vero, Florida, and the Vertebrate Remains Con- 

 tained Therein ---------- Oliver P. Hay 52 



Archaeological Evidences of Man's Antiquity at Vero, Florida 



George Grant MacCurdy 56 

 SUGGESTIONS FOR A QUANTITATIVE MINERALOGICAL CLASSIFICATION OF 



IGNEOUS ROCKS -------- Albert Johannsen 63 



REVIEWS 08 



THE UNIVERSITY OF CHICAGO PRESS 



CHICAGO, ILLINOIS, U.S.A. 



Agents 



THE CAMBRIDGE UNIVERSITY PRESS, London and Edinburgh 



KARL W. HIERSEMANN, Leipzig 



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



THE MISSION BOOK COMPANY, Shanghai 



