TEXT-BOOK 



OF 



Z O O L o aT 



FOR SCHOOLS AND OOLLJ:]GES. 



BT 



H. ALLEYNE NICHOLSON, 



M.D., D.80., M.A., Ph.D., F.E.8.E., F.G.S., Etc., 



PnOFEaSOE OF HATtTRAL HI8T0KT AND BOTANT rW TTNIVERSITT COLLEGE, TORONTO; 

 FORSiEELY LECTITEER ON NAXtTKAL 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 

 westmokeland," etc., etc. 



NEW YOEK: 

 D. APPLETON AND COMPANY, 



1, 3, AND 5 BOND STEEET. 



1884. £ 7 ' ? 7 /j 



