364 HELlCINlD.!;, 



Family HELICINID.E. 



Genus HELICINA, Lamarcl: 



Helicina, Lamarck, Anu. Mas. Hist. Nat. Paris, v, 1804, p. 91 ; id., 

 Hist.Nat.Aiiiiu.s.vert. Yi,part2, 1822, p. 102; Gra\,ZooI. Joiirn.i, 

 1824, p. 62 ; Guilding, op. cit. iii, 1828, p. 528; Desliaves, Hist. Nat. 

 Auim. s. vert, (new ed.) viii, 1838, p. lo3; Pfeiffer, Mon. Pnenm. 

 1852, p. 338; id.. Suppl. 1, 1858, p. 178 ; Clienu, Man. Conclivl. 

 1859, p. 495; Pieiffer, op. cit. Suppl. 2, 18(55, p. 210; id., 

 Suppl. 3, 1876, p. 243 ; Fischer, Man. Conchyl. 1885, p. 794 ; 

 Coolse, Cambridge Nat. Hist, iii, 1895, p. 410 ; Wagner, Denlis. 

 K. Alvad. Wiss. Wieu, Ixxvii, 1905, p. 212; id., Concli.-Cab., 

 Helicinidse, 1910, p. 269. 



Type, Helicina neritella, Lamarck. 



Eam/e. Intertropical America, Antilles, Seychelles, Burma, 

 Andaman and Nicobar Is., Malaysia, New Guinea, China, Japan. 



Shell imperforate, turbinate, globular or depressed, base flattened 

 and callous; spire short, few-whorled ; aperture triaiigular or 

 semi-ovate, entire ; peristome simple, straight or thickened, 

 reflected, frequently dilated at the base; columella callous, straight; 

 operculum testaceous or corneous, semi-ovate. 



Subgenus SULFURINA, Mdllendorff. 



Sulfurinu (genus), Molleudorff, Ber. Senck. Naturf. Ges. 1893, 

 p. 141 ; Wagner, Denks. Kaiserl. Akad. Wiss. Wien, Ixxvii, 1905, 

 p. 371. 

 Type, Helicina citrina, Gould. 



Range. Andaman and Nicobar Is., Malaysia, New Guinea, 

 Polynesia. 



Shell conical or depressed conoid, bright yellow when fresli, 

 rather thin : aperture scarcely oblique; peristome little tliickeued, 

 reflexed. 



562. Helicina behniana, Pftifer. 



Helicina beknidua, Pfeifler, Proc. Zool. Soc. 1859, p. 29; id., Mon. 

 Pneum. Suppl. 2, 1865, p. 237; id., Malak. BlJitt. xxiv, 1877, 

 p. 156 ; Nevill, Hand List, i, 1878, p. 324. 

 Helicina {rachystoma) behniana, Miirch, Jouru. Conchyl. xx, 1872 



p. 318 ; id., op. cit. xxiv, 1876, p. 363. 

 Helicina heJianiana, Sowerby, Thes. Conch, iii, I860, p. 281, 

 pi. 268, tig. 76 ; Reeve, Couch. Icon, xix, 1873; Helicina, pi. 5, 

 tiff. 37. 



