HELICID^. 45 



233. Nanina iDifllaris, Semper. 



(JEuplecta sp., fide Semper.) 

 3 Arayat ; coll. Prof. C. Semper. 



Sub-Genus TBOCE:ONANINA,M.ss. (type N. mozambicensis.) 

 [== MABTHNSIA, Semper, type N. mozamhicemsis.'] 



234. Nanina (Trochonanina) jenynsi, Pfeiffer: 



2 Zanzibar ; ex c. Dr. Ed. von Martens. 



Sub-Genus TEAPSIA, Albers. (type N. troglodytes). 



235. Nanina (Thapsia) troglodytes, Moreiet. 



1 Coast of Guinea ; ex c. A. Moreiet, Esq. 



Sub-Genus A CUSTA, Albers. (type N. ravida). 

 Acusta is ranked of late as a Sub-Genus of Helix and not 

 of Nanina, but I am unable to find any distinct statement .that 

 the animal is without a mucous pore. 



236. Nanina (Acusta) ravida, Benson. 



3 China; ex c. G. NeTill, Esq. 



237. Nanina (Acusta ?) nora, H. A. Adams. 



2 Ichang Gorge, China; ex c. H. A. Adams, Esq. 



238. Nanina (Acusta) brevispira, h. A. Adams. 



1 Ichang Gorge; ex c, H. A. Adams, Esq. 



239. Naniaa (Acusta) assimilis, H. A. Adams. 



1 Formosa ; ex c. H. A. Adams. 



Sub-Genus CALBWULLIA, H. A. Adams (iyge N. phily. 

 rina). 



240. Nanina (Caldwellia) imperfecta, Deshayes. 



6 Mauritius ; coll. G. Nevill, Esq. 



4 Bourbon ; coll. G. Nevill, Esq. 



241. Nanina (Caldwellia) cernica, H. A. Adams. 



20 Vacoa, Mauritius (type) ; coll. G. Nevill, Esq. 



