Xll 



SCHEME OF CLASSIFICATION 



COELENTERATA (p. 243). 



Class. 



Order. 



Sub-Order. 



Family. Sub-Family. 



HYDRO- 



ZOA 



(p. 249) 



Eleutheroblastea 



(p. 253). 

 Milleporina 



(p. 257). 



Gymnoblastea 

 (Anthomedusae) 



(p. 262) 



Calyptoblastea 

 (Leptomedusae) 



(p. 275) 



GllAPTOLITOIDEA 



(p. 281) 



Stylasterina 



(p. 283) 



Trachomedusae 



(p. 288) 



Narcomedusae 



(p. 295) 



Bougainvilliidae 



(p. 269). 

 Podocorynidae (p. 270). 

 Clavatellidae (p. 270). 

 Cladonemidae (p. 270). 

 Tubulariidae (p. 271). 

 Ceratellidae (p. 271). 

 Pennariidae (p. 272). 

 Corynidae (p. 272). 

 Clavidae (p. 272). 

 Tiaridae (p. 273). 

 Corymorphidae (p. 273). 

 Hydrolaridae (p. 273). 

 Monobrachiidae (p. 274) 

 Myriothelidae (p. 274). 

 Pelagohydridae (p. 274) 

 Aequoreidae (p. 278). 

 Thaumantiidae (p. 278). 

 Cannotidae (p. 278). 

 Sertulariidae (p. 278). 



Plumulariidae (p. 279) 



Hydroceratinidae 



(p. 279). 

 Campanulariidae (p. 280). 

 Eucopidae (p. 280). 

 Dendrograptidae 



(p. 281). ( 

 Monoprionidae (p. 282). 

 Diprionidae (p. 282). 

 Retiolitidae (p. 282). 



Stromatoporidac (p. 283). 



| Stylasteridae (p. 285). 



; Olindiidae (p. 291). 



Petasidae (p. 294). 



Trachynemidae (p. 294). 



Pectyllidae (p. 294). 



Aglauridae (p. 294). 

 k Geryoniidae (p. 295). 

 (Cunanthidae (p. 296). 

 I Peganthidae (p. 296). 

 ' Aeginidae (p. 296). 

 VSolmaridae (p. 296). 



f Eleutheroplea (p. 279). 

 \ Statoplea (p. 279). 



Siphono- J Calyco- I 



phora- phorae^ Monopliyidae (p. 



(p. 297) [ (p. 305) [ 



(Continued on the next page.) 



306) 



T Sphaeronectinae 

 | (p. 306). 



\Cymbonectinae 

 (p. 306). 



