AMERICAN 
NATURALIS 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE, 
EDITED BY 
Dr. ROBERT P. BIGELOW, Boston, 
è 
ASSISTED BY AN EDITORIAL BOARD AND THE Camcoien 
ASSOCIATE EDITORS: 
J.-H. COMSTOCK, . M. RICHARDS, 
Wi M. DAVIS, — 
D: S. JORDAN, 
C. PALACHE, E. F, SMITH, 
OCTOBER, 1897. 
CONTENTS. 
D ikk Corg, NATURALIST—À CHAP- me 
History OF Science. . (Illustrated.) 
Theodore Gill. 8. 
WITH REMARKS ON THE ‘Grotoct ; 
G. Baur, PhD. 8 
> Toronto n eas of the 
isang for the Advangémont 
i of 
