TEXT-BOOK 



OF 



Z O O L O G Y 



FOR SCHOOLS AND COLLEGES 



BY 



H. ALLEYM MCHOLSOX, 



M.D., D.Sc., M.A., PH.D., F.K.8.E., F.G.S., ETC., 



PROFESSOR OF NATURAL HISTORY AND BOTANY IN UNIVERSITY COLLEGE, TORONTO? 

 FORMERLY LECTURER ON NATURAL HISTORY IN THE MEDICAL SCHOOL OF EDIN- 

 BURGH; AUTHOR OF "MANUAL OF ZOOLOGY FOR THE USE OF STUDENTS," 

 "TEXT-BOOK OF GEOLOGY," "INTRODUCTORY TEXT-BOOK OF 



ZOOLOGY," "GEOLOGY OF CUMBERLAND AND 

 WESTMORELAND," ETC., ETC. 



NEW YOKE: 

 D. APPLETON AND COMPANY, 



1, 3, AND 5 BOND STREET. 



1884. 



