108 



Part III. — Fifteenth Annual Report 



The following is a tabular view of the principal groups represented in 

 the catalogue, their principal sub-divisions, and the number of species 

 belonging to each : — 



Names of 

 the Principal 



Groups 

 represented 



in the 

 Catalogue. 



Names of the 



Principal 

 Sub -divisions. 



Fishes 

 Tunicata 



Mollusca . ■{ 

 { 



Dranchiopoda 

 Crustacea . -{ 



Polyzoa 

 Vermes 



Echinoderma -{ 

 I 



Actinozoa 



Hydrozoa 

 Spongozoa 



Foraminifcra 



Teleostei 



56 



Ganoidei 



1 



Elasmobranchii . 



5 



Larvacea 



1 



Ascidiacea . 



8 



Cephalopoda 



5 



Pteropoda . 



1 



Opisthobranchiata 



20 



Nudibranchiata . 



18 



Pulmonata . 



2 



Prosobranchiata . 



81* 



Polyplacophora . 



5 



Scaphopoda 



2 



Pelecypoda . 



84 



Brachyura . 



27 



Macrura 



18 



Schizopoda . 



18 



Cumacea 



15 



Isopoda 



18 



Amphipoda . 



76+ 





1 



Cladocera 



3i 



Ostracoda . 



67 



Copepoda . 



99§ 



Cirripedia . 



7 



Cheilostomata 



15 



Cyclostomata 



5 



Ctenostomata 



2 



Chaetopoda . 



-1711 



Gephyrea 



2 



Chsetognatha 



1 



Nemcrtea . 



1 



Turbellaria . 



1 



Crinoidea 



1 



Asteroid ea . 



911 



Ophiuroidea 



11** 



Echinoidea . 



5 



Holothurioidea . 



6 



Alcyonaria . 



3 



Actiniaria . 



9 



Hydroida . 



14 



Miliolidae 



14 



Astrorhizidai 



1 



Lituolidas . 



5 



Textulariidas 



3 



Lagenidoe 



18 



Globigerinida) 



1 



Rotuliidae . 



8 



Nummulinidoe . 



5 



Number of 



Species 

 belonging to 

 each of the 

 Principal 

 Sub-divisions 



Number of 

 Species 

 belonging to 

 each of the 

 Principal 

 Groups. 



62 



y 22i 



\ 349 



32 



55 



Remarks. 



One is doubtful. 



+ Two arc doubtful. 



% One is doubtful. 



§ Includes a new 

 genus and two new 

 species. 



II One is doubtful. 



IF One is doubtful 

 ** Two are doubt 



fill. 



Total number of Species 



837 



I desire to explain, though it may hardly be necessary to do so, that 



