CYLICHNA. 309 



umbilicated. Aperture narrow, linear; columella fold conspicuous, 

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



Hong Kong Harbor. 



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

 C. PROTRACTA Gould. Unfigiired. 



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. (Gld.). 



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. Uu figured. 



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. (Gld.). 



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. H, diam. f lines. (PhiJ.}.. 



China (LargiJliert}^ 



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



Indo-Pacifie 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. (Cuming) ; Matoza Harbor, Japan, 6 fms. (St. 

 John). 



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