62 SCALARIA. 



crispate at the suture and almost disappearing on the middle of 

 the whorls. Length, 7 mill. 



Philippines. 



Described by H. Adams as S. delicatula, a name preoccupied 

 by Crosse and subsequently changed as above by Adams, and 

 a year later to S. subnudata, by Sowerby. 



S. JEFFREYSTI, Tryon. PI. 12, fig. 78. 



Slightly umbilicated, thin, semitransparent, glossy, whitish, 

 with a few delicate, rounded, spiral striae, more conspicuous 

 towards the base of each whorl; whorls 10-12, convex, with 

 moderate suture, with about 25-30 low, rounded riblets, incon- 

 spicuous or obsolete on the body-whorl. Length, 12 mill. 



Atlantic 0. (Porcupine Exped.). 



Described by Dr. Jeffreys as S. tenera, preoccupied (see pre- 

 ceding species). , 



S. FORMOSISSIMA, Jeffreys. PI. 17, fig. 34. 



Narrowly umbilicated, very thin, nearly transparent, rather 

 glossy, white ; whorls 12, convex,narrowly,slopingly shouldered, 

 with 40-50 crowded, slight riblets, closely decussated by thread- 

 like spiral striae. Length, 15 mill. 



Azores. 



S. PYRAM1DALIS, Sowb. PI. 13, fig. 89. 



Narrowly umbilicated ; whorls 9, well rounded and scarcely in 

 contact, with rather distant lamellae, narrowly angulated and 

 produced at the top of each whorl. Length, T25 inches. 



Philippines. 



Section CLATHRUS, Oken, 1815. 



S. GRADATA, Hinds. PI. 13, fig. 88. 



Whorls 12, slowly increasing, narrow-shouldered above, 

 lamellae numerous, oblique, a little produced on the angle of the 

 shoulder. Length, 1*5 inches. 



Ainboyna. 



S. nodosa, Opr. MS., in Brit. Mus., is a synonym. 



S. AUSTRO-CALEDONICA, Montr. PI. 13, fig. 94. 



Whorls thin, 8 or 9 in number, separate, joined by 7 strong 

 lamellae, which are shouldered and aculeate at the top of each 

 whorl ; white, with a single irregular chestnut band. 



Length, 23 mill. New Caledonia. 



