262 LEPTOTHYRA. 



L. GLOBULA Philippi, 1848. PI. 62, figs. 10-12. pi. 64, fig. 56. 



Shell small, very thick and solid, white, radiately painted or 

 sparsely spotted with pink, depressed, globose-conic ; whorls 4-5, 

 rounded, apex smooth and flattened, the following whorls spirally 

 sculptured with closely beaded unequal lirse, of which there are 

 about eight to twelve principal ones, and in the interstices between 

 these (except on the base) several similar but much smaller beaded 

 liruhe revolve ; last whorl slightly descending anteriorly ; aperture 

 subcircular, slightly oblique ; columella obsoletely subdentate at 

 base ; umbilicus rather large, with a spiral scalloped rib inside its 

 margin. Alt. 5, diam. 5 mill. 



Antilles (Philippi) ; Indian Ocean (Academy coll.). 



In this beautifully sculptured species the granulation which 

 marks the spires in the allied forms extends over the whole surface 

 of the shell. 



L. TRAXSKXXA Watson, 1879. PI. o2, figs. 2:), 24. 



Low, conical, round with expanded base, sculptured, solid; cross- 

 hatched by narrow impressed intersecting lines which cross the 

 whorls obliquely and not quite regularly nor uniformly, and which 

 cut the surface into little diamonds resembling- shagreen ; color dirty 

 rusty white ; spire rather low, but conical ; whorls of rather rapid 

 increase, apparently about 6; suture linear, scarcely impressed; 

 mouth very oblique, round, nacreous to the very edge ; outer lip 

 very patulous, sharp on the edge, with a thick nacreous layer bev- 

 elled off to the edge above and in front, but on the base turned 

 over and advancing in a rounded pad beyond the lip ; pillar lip 

 consists of a rounded mass of nacre backed and above obscured by a 

 considerable porcellanous deposit, which is widely but thinly spread 

 out over the body, so as to connect in a continuous sweep the outer 

 arid the pillar lips; it is distinctly impressed with the scale-like 

 pattern of the underlying sculpture; its edge abrupt and chipped. 



Alt, '87, diam. 11)4 inch. (Watson.) 



Off Japan, in 060 /ws. 



Operculum (pi. 60, fig. 56) thin, flat on the outside, highly por- 

 cellanous with a translucent and slightly thinner central area; 

 inside yellow with many whorls, the nucleus nearly central. 



( Watson.) 

 L. GESTKOi Caramagna, PI. 69, figs 29, 30. 



Shell conoid, im perforate, whitish, thick ; whorls 5, convex, separat- 

 ed by slightly profound suture, all over obliquely minutely striate, 



