t',2 SCALARIA. 



at the suture and almost disappearing on the middle of 

 the whorls. Length, 7 mill. 



Described by II. Adams as > teZa, M name preoccupied 



'rosse and subsequently changed as above by Adam-, and 

 a year later to >>'. -wcrby. 



S. Ji i. Tryon. IM. l-J, liir. 78. 



Slightly umhilicated, thin, semitransparent. 



with a few delicate, rounded, spiral stria-, more conspicuous 

 toward* tlu base of each whorl; whorls 10-12, convex, with 

 mod -iirc, with about 2~>-30 low, rounded riblets, iucon- 



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



Atlantic 0- (Porcupine Exped.). 



De- ly Dr. Jeffreys as S. tenera, preoccupied (see pre- 



cs). 



S. FORM08ISSIMA, Jeffreys. PI. 17, fig. 34. 



Narrowly umhilicated, very thin, nearly transparent, rather 

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

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

 piral 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 lamella', narrowly annulated and 

 produced at the top of each whorl. Length, 1-25 inches. 



rh ilippines. 

 Section CLATHRUS, Oken, 1815. 



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



WhorN 1^. slowly increasing, narrow-shouldered above, 

 ll;e num. Tons, oblique, a little produced on the angle of the 

 shoulder. Lenu:li. L'5 indu-*. 



Amboyna. 

 S. nodosa, C) :. M^'.. in 15rit. Mu<.. is a synonym. 



S. AUSTRO-CALEDONICA, Montr. I'l. ]:->, ii--. in. 



Whorls thin, 8 or 9 in numb.-r. separate, joined by 7 strong 

 lame! -h are should. -red :.nd aculeate at the top of each 



whorl . with a single ir chestnut band. 



Length, 23 mill. New Caledonia. 



