_oo\. 

 5. 



CATECHISM SERIES. 



ZOOLOGY 



COMPLETE VOLUME 



BY 



ROBERT A. STAIG 



FORMERLY DEMONSTRATOR OF ZOOLOGY, SCHOOL OF MEDICINE OF THE 

 ROYAL COLLEGES, EDINBURGH, AND UNIVERSITY OF GLASGOW. 



SECOND EDITION 



* 



EDINBURGH: 

 E. & S. LIVINGSTONE 

 17 TEVIOT PLACE 



[ALL RIGHTS RESERVED! 



