THE ROTIFEBA; 



OB 



WHEEL-ANIMALCULES, 



BOTH BEITISH AND FOEEIGN. 



BY 



C. T. HUDSON, LL.D. CANTAB., F.E.S. 



ASSISTED BY 



P. H. GOSSE, F.K.S. 



SUPPLEMENT, 



WITH ILLUSTRATIONS. 



LONDON : 



LONGMANS, GREEN, AND CO. 



AND NEW YOKE : 15 EAST 10 th STREET. 



1889. 



All ri ylits reserved. 



