MANUAL 



OF THE 



SUB-KINGDOM 



PROTOZOA. 



WITH A GENEBAt UfTEODrCTION OK 



THE PEINCIPLES OP ZOOLOGY. 



BY 



JOSEPH REAY GREENE, B.A. 



PROFESSOK OF NATURAL HISTORY IN THE QUEEN'S COLLEGE, CORK, 



&c. &c. 



NETW IMPRESSION. 



LONDON: 

 LONGMANS, GREEN, AND CO. 



1868. 



