

MANUAL OF THE INFUSORIA: 



INCLUDING A DESCRIPTION OF ALL KNOWN 



BRITISH AND FOREIGN, 



AND AN ACCOUNT OF THE 



OKGANIZATION 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 ML'SBUM. 



VOLUME III. PLATES. 



LONDON: 



DAVID BOGUE, 3 ST. MARTIN'S PLACE, 



TRAFALGAR SQUARE, W.C. 



1880-1882. 



