160 ANACHIS. 



Figured but not described by Chenu. Appears to be very 

 closely related to C. avara, Say. 



C. CLETA, Chenu. PI. 55, fig. 74. 



Shell distantly ribbed, the first whorls of the spire more closely 

 and finely ribbed ; yellowish brown, with numerous narrow 



chestnut revolving lines. Length, 13 mill. 



Habitat -unknown. 



This appears (like the last) to be nearly related to C. avara. 



C. MENALETTA, DucloS. PL 55, fig. 75. 



Shell distantly but strongly folded ; ash-color with distant 

 narrow chestnut revolving lines. Length, 6 mill. 



Habitat unknown. 

 C. PLICARIA, Montrouzier. PI. 56, fig. 16. 



Whorls moderately rounded, closely longitudinally ribbed, 

 with revolving striae at the base ; yellowish, reticulated with 

 reddish brown ; outer lip dentate within, columella plicate. 



Length, 13 mill. 



New Caledonia. 

 Described from a unique specimen. 



C. COSTULATA, Cantraine. PL 56, fig. 77. 



Shell white, sometimes with a yellowish or rosy tinge ; with 

 narrow distant longitudinal ribs, and well-impressed sutures; ribs 

 becoming evanescent towards the base of the body-whorl ; whole 

 surface covered with very close, minute revolving striae ; lip 

 scarcely thickened, slightly dentate within. Length, 10 mill. 

 Boreal. Norway, England, Nova Scotia, Rhode Island, 

 Chesapeake Bay, Sicily. Fossil in the later European 



tertiary, Vienna, Messina, etc. 



Has the usual characteristics of northern shells. 







C. ROSACEA, Gould. PL 56, figs. 78, 79. 



Shell small, acutely conic, white, tinged with rose-color; whorls 

 six, covered with minute spiral lines ; those of the spire finely 

 or obsoletely ribbed, sometimes smooth, body-whorl without ribs, 

 outer lip sharp, without teeth within. Length, 7*5 mill. 



Norway, Spitsbergen, Greenland, New England. 



American specimens are scarcely at all costate. 



C. DIAPHANA, Yerrill. PL 56, fig. 82. 



Shell thin, delicate, translucent, white, nearly smooth, elon- 

 gated, with long tapering acute spire. Whorls eight, broadly 



