VoL. XXXV, No. 418 J 
THE 
AMERICAN 
NATURALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE 
CONTENTS 
I. Se 10i i ae ee 5e ^ E 
(Conclusion) ; Professor W. M. WHEELER 
IL Notes on deg Nautilus eer . Professor BASHFORD DEAN 819 
HI. Baseleveling and its Faunal Signifoanee — e f eL 
from Southeastern United States . CHARLES C. ADAMS z 
IV. Notes and Literature: Anthropology. The Seri. Indians— 
Zoólogy, Schmeil's Zoólogy, Herrick's 2 of Wild Birds, ' 
