82 Order P K S B K A N C H I A T A 



Fam. Neritidse. (continued) 



Nerita ? tenebrosa. Senegal. 

 ,, pelorunta. Red Sea. 

 Neritina aterrinia. India. 



,, ? pacifioa. Solomon Islands. 



,, fctriolata, India. 



fluviatilis. Britain. 



Fam. Turbinidse . 



Clanctilus pharaouis. Red Sea, 

 Trochus niloticus. Kgypt- 



,, young. 



,, millegranus, Mentone, France. 



adausoni. Mediterranean . 



,, tuiuidus. ,, 



obeliscus. Oamaru-, New Zealand. 



1 sp. Solomon Islands. 



,, radiatus. Indian Ocean, 



,, 1 sp. Mediterranean. 



iris. New Zealand. 

 Umbonium vestiarium. 

 Margarita (Trouhus) helicina. Britain. 

 Gibbula cinerea. Britain. 



,, ardens. Mediterranean. 

 Turbo rugosa. ,, 



,, undnlata. 



,, setosa. Mauritius. 



sarmaticus. South Africa, 



,, opercula of, South Africa. 



