Bv THE SAME AUTHOR 



Super Koyal Svo, J Vols. ( Texl and Plales), £4 4s. mi. 



A MANUAL OF THE INFUSORIA, 



INCLUDING A DEStKII'TlON OK ALL KNUVVN 



FLAGELLATE, CILL\TE, & TEiNTACULIFEROUS 

 PROTOZOA ^BRITISH AND FOREIGN), 



and an account ok thk 



Organisation and Affinities of thk Sponges. 



W. SAVILLE-KENT, F.L.S., F.Z.S., itc. 



London ; W. H. ALLEN & Co., Limi ied, 

 15, WATERLOO PLACE. 





