47 



849- Trochus puniceus (Phil.), Zanzibar. 



850. Trochus festivus (Tapparone-Canefri), Bay of Bias, 

 New Guinea. 



GENUS MONODONTA (LAM.) 

 Sub-Genus Monodonta (Lam.), Section Monodonta. 



851. Monodonta labio (Linn.), Var :-confusa (Tapparone 

 Canefri), Singapore. 



852. Monodonta australis (Lam.), Seychelles, Madagas- 

 car, Cape of G. H. 



853. Monodonta venniculata (Fischer), Natal, Ins. Socotra 

 Mascat. 



SECTION OSILIMUS (PHIL.) 



854. Monodonta tamsi (Dunker), Cape Verde and Canary 

 Is., Guinea, C. of G. H. 



855. Monodonta punctulata (Lamark), Coasts of Senegal 

 and W. Africa. 



GENUS CANTHARIDUS (MONTF.) 

 Sub-Genus Cantharidus (Montf.), Section Cantharidus (Montf.) 



856. Cantharidus iris (Gmel.), New Zealand. 

 SECTION PHASIANOTROCHUS (FISCHER) 



857. Cantharidus nitens (?) (Kiener), Austr. coast, Kan- 

 garoo Is. 



SUB-GENUS THALOTIA (GRAY) 

 Section Thalotia. 



858. Cantharidus conicus (Gray), W. aVid S. Austr., N. 

 Tasmania. 



GENUS CHLOROSTOMA (SWAINSON) 



859. Chlorostoma nigricolor (Dunker), Japan. 



860. Chlorostoma pellisserpentis (Wood), W. coast of 

 Cen. America, Gulf of California. 



861. Chlorostoma atrum (Lesson), Coasts of Chili and 

 Bolivia. 



862. Chlorostoma gruneri (Phil.). 



SUB-FAMILY GIBBULINAE 

 Genus Gibbula (Risso.), Sub-Genus Gibbula. 



863. Gibbula magus (Linn.), Med. and temperate At. 

 coasts of Europe, Azores. 



