CYLICHNA. 307 



A small, thin, elongate-oval species, somewhat contracted in the 

 middle. It is very unlike any other hitherto described, (^Ad.). 



C CANDiDULA A. Adams. Unfigured. 



Shell cylindrical, white, closely transversely striated throughout, 

 posteriorly subtruncate, anteriorly produced and somewhat acumi- 

 nate ; aperture linear, the inner lip somewhat thickened, obsoletely 

 uniplicate in front ; outer lip a little straightened in the middle, 

 slightly produced behind and rounded. (Ad., I. c, p. 153, No. 11). 



Tsu-Sima, Japan, 26 fms. 



This species partakes of the character of C. venustula and con- 

 cinna with regard to sculpture and general appearance, but is elon- 

 gated and cylindrical. {Ad.). 



C. INEDITA A. Adams. Unfigured. 



Shell cylindrical, subtruncate posteriorly, acuminate in front, 

 white, thin, longitudinally strigose ; aperture linear, anteriorly pro- 

 duced ; inner lip elongate, flexuous, with a conspicuous parietal 

 fold, outer lip with straight margin, posteriorly subproduced and 

 rounded. (Ad., I. c, p. loo. No. 12). 



Mino-Slma, Japan, 63 fms. 



A small, thin, strigose species, with the aperture anteriorly pro- 

 duced, and with an elongate subspiral fold at the fore part of the 

 inner lip, (vie?.). 



C. pERTENUis E. A. Smith. Unfigured. 



Shell small, slightly umbilicate, very thin, dull whitish, pyriform- 

 cylindrical, minutely perforated at the vertex, little shining, longi- 

 tudinally very delicately and very closely arcuate striate; aperture 

 very narrow above, slightly produced above the vertex, dilated at 

 the base ; columella rather straightened, rather thickened, slightly 

 reflexed toward the umbilicus. Alt. 3i, diam. nearly 2 mill, (Sm.). 

 N. kit 42° 52', E. Ion. 144°, 40', off Japan, in 48 fms. 



Cylichna pertenuis Smith, Ann. Mag. N. H., (4), xvi, p. 113. 



The longitudinal striation is very minute, and only visible under 

 a powerful lens. The form is scarcely suiBciently pyriform to war- 

 rant me in placing this species in the subgenus Sao. (Sm.). 



C. viLLiCA Gould. Unfigured. 



Shell minute, ovate-cylindrical, subconic at both ends, banded 

 with white and ferrugineous, sculptured with revolving lines and 



