CYLICHNA. 309 



umbilicated. Aperture narrow, linear; columella fold conspicuous, 

 hardly perforated. Alt. 4, diam. 1 mill. (Gld."). 



Hong Kong Harbor. 



C. oporosa OLD., Proc. Bost. Soc. N. H., vii, p. 140 ; Otia, p. 112. 

 C. PROTRACTA Gould. Unfigured. 



Shell rather large, solid, cylindrical, bony, spirally sculptured ; 

 apex obliquely truncated, carinated, with a crater-shaped perfora- 

 tion. Aperture narrow ; lip angular behind ; columella short, solid, 



strongly plicate. Alt. 12, diam. 5 mill. (G7d.). 



Coast of China. 



C. protracta GLD., Proc. Bost. Soc., vii, p. 140; Otia, p. 113. 

 SMITH, Zool. Coll. Alert, p. 505. 



Smith reports this species from Cerf Island, Mascarenes, 10 fms. 

 C. MELAMPOIDES Gould. Unfigured. 



Shell small, solid, ovate, ivory-like, polished, encircled by striae 

 anteriorly ; vertex obtuse, impressed, imperforate ; base acutely 

 rounded ; aperture dilated anteriorly ; lip scarcely produced ; col- 

 umella short, imperforate. Alt. 4, diam. 2 mill. (Old.*). 



China Seas. 



C. melampoides GLD., Proc. Bost. Soc., vii, p. 140 ; Otia, p. 113. 

 C. GRANULUM Philippi. Unfigured. 



Shell small, ovate-conic, subperforate at both ends, much attenu- 

 ated above, rounded at base and transversely striated, the rest of 

 the shell very smooth ; milk white ; aperture very narrow above, 

 linear, strongly dilated at base, obsoletely plicate ; outer lip pro- 

 duced far over the vertex above. Alt. li, diam. I lines. (PA$f,) % 



China (Largilliert) 



Bulla granulum Ph., Zeitschr. f. Mai., 1851, p. 63. 



Indo-Pacific Species. 

 C. CONCINNA A. Adams. PI. 59, fig. 10. 



Shell ovately cylindrical, below somewhat acuminate, white, shin- 

 ing, opaque, very minutely transversely spirally striated ; apex: 

 deeply umbilicated, aperture linear, a little dilated below : columella 

 slightly sinuous, plait obsolete, outer lip produced, extending beyond 

 the apex. (Ad.}. 



Manila, 3 fms. (Cum ing) ; Matoza Harbor, Japan, 6 fms. (St, 

 John). 



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