VITULARIA. 133 



Subgenus Vitularia, Swainson. 



M. MILIARIS, Gmel. PI. 35, figs. 393, 39t. 



Whitish or brownish ; with irregular rounded ribs, which are 

 sometimes tinged with chestnut, as though in interrupted revolv- 

 ing bands. Whole surface peculiarly scabrously mamillated. 



Length, 2*5 inches. 



W. Coast of Africa. 



The ribs are more prominent and more rounded, and the form 

 is more ventricose and proportionately shorter than in V. sale-, 

 brosa. Reeve figures a young shell as M. purpura, Chemn. 



Y. SALEBROSA, King. PI. 35, figs. 394, 396, 398 



White or yellowish-brown, sometimes banded. The occasional 

 varix much thickened, being composed of a number of parallel, 

 close laminae. Lip and columella tinged witlj yellow. Oper- 

 culum diamond-shaped, with two short sides above and two long 

 ones below, the angles rounded. Length 2*5-4 inches. 



Mazailan to Panama. 

 Y. SANDWICHENSIS. Pease. PL 35, fig. 399. 



Fusiformly ovate, rather thin, white, with about three transverse 

 rows of brown spots on the varices ; whorls five, sharply angu- 

 la ted, body-whorl angulated just below the suture; varices six, 

 slightly oblique, wrinkled ; aperture white, oblong-ovate, outer 

 lip denticulated within ; columella slightly arched ; canal short. 

 * Not hitherto figured. Represented in our collection only by a 

 somewhat bleached specimen a half inch in length. 



Y. CANDIDA, H. and A. Adams. 



Ovate, solid, white, spire produced, whorls convex, shouldered ; 

 varices thin, produced on the shoulder, often obsolete, interstices, 

 1 irate ; aperture ovate, lip thickened, sulcate within, margin den- 

 ticulate. L. 35, lat. 18 mill. 



New Zealand. 



Said to be very variable in its characters. Not figured. 



Y: CRENTFER, Montrouzier. PL 35, fig. 395. 

 Yellowish-brown. L. 35, lat. 25 mill. 



New Caledonia. 

 A single specimen obtained. 



