34G LAND AND FRESH-WATER SHELLS. 



(41) 3Ielania fastigiella (Reeve) Hah. Imbedded in a dark calcareous 



loam exposed in the banks of a large stream near its mouth at Sula- 

 gina, on the north coast of St. Christoval. I could not find any 

 living specimens. 



(42) Melania spec. Hab. The same as Mel. fastigiella. 



(43) Melania verrucosa (Hinds) Hah. 'I'he same as Mel- fastigiella. 



(44) Melania suhgradata (nov. spec.) Huh. The same as Mel fastigiella. 



(45) Melania ugiensis (nov. spec.) Hab. From a stream in Ugi. 



(46) Melania sanctce annxB (nov. spec.) Hab. A stream in the interi(n- of 



Santa Anna. 



(47) Melania guppyi (nov. spec.) Hah. From the stomach and intestines 



of a fish living in the fresh-water lake of Wailava in the island of 

 Santa Anna. This species probably frequents the deeper parts of 

 the lake, as I only found one living individual. 



(48) Cerithidea cornea A. (Adams) var. Hah. Mangrove swamps in Choiseul 



Bay. 



(49) Pyrazus palustris Hah. ^langi-ove swamps in Choiseul Bay. 

 Note. — Not referred to in original paper. 



(.50) Nerita marmorata (Homhron and Jacquinot) Hah. Living just above 

 high-water level on the surface of the coral-limestone coast, St. 

 Clu'istoval. 



(51) Neritina cornea (Linne) Hah. Star Harbour, St. Christoval, on the 



trunks of trees 150 feet above tlie nearest stream; Choiseul Bay, 

 from a stream ; Shortland Islands, on the stems of tree-ferns and 

 areca palms in a marshy district. I found this species in many 

 other islands ; but did not collect it except in the above three 

 localities. 



(52) Neritina suhsulcata (Sowerby) Hah. Streams in St. Christoval and in 



the islands of Bougainville Straits. In the Shortland Islands I found 

 tliis species on the stems of tree-ferns and areca palms in a marshy 

 district. I only collected it in these localities ; but I found it in 

 many other islands. When first picked off the rock, it ejects a 

 watery fluid possessing a powerful musky odour. 



(53) Neritina duhia (Chemnitz) Hah. Shortland Islands, in a stream. 



(54) Neritina adumhrata (Reeve) Hab. A stream in Choiseul Bay, and the 



rockv sides of a stream-course in Usri. 



•J O 



(55) Neritina pulligera (Linne) Hab. Guadalcanar, St. Christoval, Ugi, 



Choiseul Bav, in the streams. 

 (5G) Neritina petiti (Recluz) Hab. Treasiny and Faro Islands, in the 

 streams. 



(57) Neritina olivacea (Le Guillou) Hah. Streams in Treasury Island and 



at Sulagina, St. Christoval. 



(58) Neritina macgillivrayi (Reeve) Hah. Streams in Guadalcanar and in 



Faro Island, Bougainville Straits. 



(59) Neritina asperulata (Recluz) Hah. Rockv sides of a stream-course in 



Ugi.^ 



(60) Neritina porcata (Gould) Hah. St. Christoval, and Faro Island, Bou- 



gdnvillo Straiis, in streams. 



(61) Neritina variegata (Lesson) Hah. St. Christoval, Ugi ; Simbo or 



Eddystone ; Faro Island, Bougainville Straits; Choiseul Bay: in 

 streams. 



(62) Neritina turtoni (Recluz) Hah. A stream in the Shortland Islands ; 



streams in Guadalcanar ; imbedded in a dark calcareous loam ex- 

 posed in the banks of a large stream near to its mouth at Sulagina 

 on the north coast of St. Christoval. 



