54 RUMELLA. 



(near Kerguelen /s/.), N. prasina (Kerguelen IsL), X. far- 

 TiLis (Kerguelen IsL), N. apora (Off Arm Islands)^ X. am- 

 PHIALA (= X. viTREA, Hutton, X Zealand), all of Watson. 



X. AUSTR^Lis and X. vitrea, Hutton. Xew Zealand. 



N. PARVULA, Tapparone-Cauefri. Papua. 



X. XucAHiVEXsis, Jardin, Marquesas. 



X. GRiSEA, X. SCULPT A and X. PERSCALPTA, Martens. 



Kerguelen^s Isl. 



X. Malabarica (Malabar), X. Todrneforti (Seychelles), X". 

 puNCTicuLATA and X. Alexandria (Hah.?), of Hecluz. 



X. UNDATA and X. putamkn, Meuschen (Adams' Genera). 



X. ALBA, Potiez et Mich. Hab. ? 



X". STRIATA, Anton. Hab. ? 



X. FRiNGiLLA, Dall. West Indies. 



X. APERTA, Sowb. Hab. ? 



N. PARVULA (Borneo), and X. Sandalina (Sandalwood Bay), of 

 Le Gnillou. 



X. AFFiNis, Gmelin. Northern Seas. 



N. QUADRiFASCiATA, Gray. Hab.? 



N. RHODOCHEiLA (Xew Caledonia), and X. Morchi (Australia) of 

 Ads. and Reeve. 



X. OBTURATA, Phil. Magellan''s Strait. 



y. SEMIPELLUCIDA, X. FABA, X"^. CaFFRA, X. OBLIQUATA, Marrat. 



W. Coast of Africa. 

 X. SERTATA and X'. SAGiTTATA, Menke. Australia. 



X". NANA, X.GLOBOSA, X'. Tasmanica, Tenison-Woods. lasmania. 

 X. Beudgmei, Johnston (X'. polita, Tenison-Woods in part). 



Tasmania. 

 X". subcostata, Tenison-Woods. Australia. 



Genus RUM ELLA, Bourguiguat, 1885. 



According to Bourguiguat, the Xaticidse are added to the 

 remarkable assemblage of marine forms inhabiting Lake Tanga- 

 nika in Central Africa. X"o figures of the shells have been 

 published, nor are the animal and operculum known. Two 

 species have been described — 



R. GiRAUDi and R. Milne-Edwardsiana, Bourg. L. Tanganika. 



