208 DBILLTA. 



whorl, with close revolving lines ; sinus moderate and rounded ; 

 canal very short, recurved ; color yellowish white, marked with 

 chestnut, and with also scarcely apparent lines of chestnut. 

 Length, 12 mill. 



New Caledonia. 

 D. TRIPTER, von Maltzan. PL 30, fig. 80. 



Light violaceous ; sinus wide and shallow. Length, 23 mill. 



W. Coast of Africa. 

 D. BALLISTA, von Maltzan. PL 30, fig, 90. 



Wax-yellow; narrowly sinuate, sinus pretty deep. 

 Length, 18'5 mill. 



W. Coast of Africa. 



D. BUCHANANI, Hutton. 



Shell fusiform, elongated ; spire acute ; periphery angulated, 

 above it the whorls are concave and smooth, with a slight ridge 

 at the suture, below the angle with oblique ribs and spiral strias; 

 aperture oval, canal produced ; bod}^-whorl longer than the spire; 

 light rosy, fuscous between the ribs. Length, 21 mill. 



New Zealand. 



First described by Hutton as a tertiary fossil ; afterwards by 



E. A. Smith, from recent specimens, under the name of D. 

 maorum. Not figured. 



D. AWAMOAENSIS, Hutton. PL 12, fig. 25. 



Shell small, thin, turreted, j^ellowish white ; whorls eight-and- 

 a-half, the first ones smooth and convex, afterwards slightly 

 carinated ; longitudinally finely ribbed, and spirally lirate ; upper 

 part of whorls not concave ; canal moderate, aperture elongately 

 oval, posterior sinus very slight. Length, 13 mill. 



New Zealand. 



Distinguished from D. Buchanani, by the whorls being less 

 angulated and without the smooth concave shoulder and the 

 suture not margined. First described as a tertiary fossil. 

 Figured from a recent specimen sent to me by Prof. Hutton. 



D. PATAGONICLV, d'Orbigny. PI. 13, figs. 46, 4t. 



Shell yellowish brown, first whorls globose, third and follow- 

 ing ones Bubangulated, with longitudinal short, fine ribs and close 

 revolving striae, the ribs obsolete on the body-whorl ; sinus broad 

 and shallow. Length, 1 inch. 



Patagonia. 



