BIOL om. 



A IWIV. TORONTO. 



MANUAL OF THE INFUSORIA: 



INCLUDING A DESCRIPTION UF AIL KNOWN 



LAGELLATE, CILIATE, AND TENTACULIFEROUS PROTOZOA, 



BRITISH AND FOREIGN, 



AND AN ACCOUNT OF THE 



ORGANIZATION AND AFFINITIES OF THE SPONGES. 



W. SAVILLE KENT, F.L.S., F.Z.S, F.R.M.S., 



FORMERLY ASSISTANT IN THE NATURAL HISTORY DEPARTMENTS OF THE BRITISH M'CEUM. 



VOLUME III. PLATES. 



LONDON: 



DAVID BOGUE, 3 ST. MARTIN'S PLACE, 



TRAFALGAR SQUARE, W.C. 



1880-1882. 



