62 SCALARIA. 



crispate at the suture and almost disappearing- on the middle of 

 the whorls. Length, 7 mill. 



Fhilippines. 

 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 Sowerb3\ 



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



Slightly umbilicated, thin, semitransparent, glossy, whitish, 

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

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

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

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



Atlantic 0- (Porcupine tlxped.). 



Described by Dr. Jeffreys as 8. tenera^ preoccupied (see pre- 

 ceding species). 



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



Narrowly umbilicated, very tliin, nearly transparent, rather 

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

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

 like spii'al striffi. Length, 15 mill. 



Azores. 



S. PYRAMIDALIS, 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, 1-25 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. 



Amboi/na. 



S. nodosa^ Cpr. MS., in Brit. Mus., is a sj'nonym. 



S. Austro-Caledonica, Montr. PI. 13, fig. 94. 



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

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

 whorl; white, with a single irregular chestnut band. 



Length, 23 mill. New Caledonia. 



