igoi] Reviews. 167 



are to be expected for some years to come, there is every proba- 

 bility that many lengthy lists of species will be cut down, when 

 the life-history of the young", and the anatomy and morphology ot 

 the adult stages, of many species have been studied in detail by 

 Canadian zoologists. 



The following enumeration gives a tabulated summary of the 



species set forth in Dr. VVhiteaves list : 



^. Xo. of species. 



Protozoa. 



Foraminifera, 63 species 



Radiolaria, i 



64 



Sponges. 



36 (exclusive of 2 Hudson Ba}' species. ) 36 



CCELENTERATA. 



Hydromedusje, 66 species 



Scyphomedusa; 5 



119 



71 



MARINE WORMS. 



Platyhelminthes 4 



Nemertea 21 



Ch.etopoda 106 



Gephvrea 7 



Bracuiopoda 428 



POLVZOA 3 



MOLLL'SCA. 115 



Pelecypoda, 100 species 



Scaphopoda, 5 



Gasteropoda, 164 



Cepiialopoda, 13 



282 



Arthropoda. 



Crustacea 198 



ArACHNIDA II 



Chordata. 



Urochordata ./f:^ t. J*^'?***. 27 



