INDEX. 



145 



Cnidaria 

 Coat of mail 

 Ccelenterata 

 Coenosarc 

 Collar cells 

 Colony budding 

 Common Piddock 

 Common Whelk 

 Conchological notes 

 Conchyplm 

 Coppinia arcta . . 

 Coppiniidae 

 Coral polyps 

 Coriaceous mantle 

 Cornea 

 Corrigenda 

 Corynidae 

 Coryne vagina . . 

 Craspedota 

 Cristatellidse 

 Crocodile 



Ctenic 



Ctenidium 



Ctenostomata 



Cyclops 



Cyclostomata 



Dart cell 

 Darts 

 Dart sack 

 Dispersal 



Development of bell 

 Dioecious 

 Diphasia rosacea 

 Division of labour 

 Dot o coronata . . 

 Doto pinnatifida 



Ears .. 



Ecclesbourne 



Echinata 



Ectocyst 



Ectoderm 



Ectoprocta 



Endocyst 



Endoderm 



Endoderm cell 



