MELVILL— MARINE MOLLFSCA. 101 



176. Lotorium [Gutturnium) ewaratum (Reeve). 



Loc. Cliagos Archipelago : Diego Garcia, Barachois Maurice. 

 In worn and almost unrecognizable condition. 



177. Lotormm (Gutturnium) moritinctum (Reeve). 



Loc. Seychelles : Station F 8, Si fathoms, sand, shell, with weed. 



178. Lotorium {Gutturnium) sinense (Reeve). 



Loc. Cargados Carajos : Stations B 8, 30 fathoms, B 11, 30-33 fathoms. 



179. Colubraria nitidula (Sowb.) 

 Loc. Ghagos Archipelago. 



180. Distorsio amis (L.). [Fersona.] 

 Loc. Chagos Archipelago. 



181. Distorsio cancellina (Roiss.). [Persona.^ 



Loc. Gargados Carajos : Stations B 13, B 15, both at 30 fathoms, shelly bottom. 



Amirantes : Stations E 5, 32 fathoms, sandy, with much Cymodocea ; E 6, 



28 fathoms, Polyzoa and shell-rubble. 

 Seychelles : Station F 3, 39 fathoms, hard sand. 



182. Gyrineum af/ine (Brod.). [Banella, Lara.] 

 Loc. Ghagos Archijjelago. 



183. Gyrineum hergeri (Sowb.). 



Loc. Amirantes : Station E 12, 32 fathoms, coral-rubble. 



Providence I. 

 ]\j J3_ — Q_ thomce, D'Orb., seems too near this species to be separable ; if so, that name 

 has priority. 



184. Gyrineum hufonium (Gmel.). 

 Loc. Seychelles : Praslin I. 



185. Gyrineum graniferum (Lam.). 

 Loc. Seychelles : Praslin I. 



Ooetivy I. 

 Exceedingly widely diffused throughout the Eastern tropics. 



186. Gyrineum margaritula (Desh.). 

 Loc. Amirantes : Station E 5, 32 fathoms. 



187. Gyrineum pusillum (Brod.), var. rosea. Reeve. 

 Loc. Amirantes : Station E 2, 29 fathoms. 



