The 
Natural History 
of Animals 
The Animal Life of the World in its various 
Aspects and Relations 
BY 
J. R. AINSWORTH DAVIS, ma. 
TRINITY COLLEGE, CAMBRIDGE 
PROFESSOR IN THE UNIVERSITY OF WALES, AND PROFESSOR OF ZOOLOGY AND 
GEOLOGY IN UNIVERSITY COLLEGE, ABERYSTWYTH 
HALF-VOL. VII 
LONDON 
THE GRESHAM PUBLISHING COMPANY 
34 SOUTHAMPTON STREET, STRAND 
1904 
