ZOOLOGY: 



gt Sbp&tematic Account of 



THE GENERAL STRUCTURE, HABITS, INSTINCTS, AND USES 



OF THE 



PRINCIPAL FAMILIES OF THE ANIMAL KINGDOM. 



WILLIAM B. CARPENTER, M.D., F.R.S., F.G.S., 



AUTHOR OF "PRINCIPLES OF GENERAL AN'D COMPARATIVE PH YSIOLOGY," AND 

 OF "PRINCIPLES OF HUMAN PHYSIOLOGY." 



IN TWO VOLUMES. 

 VOL. II. 



LONDON: 

 WM. S. ORR AND Co., PATERNOSTER ROW. 



MDCCCXLVIII. 



i* "V 



