.N:I i -I:I:YSIA-> KI:M:\. 



another scries on tin- periphery of the last whorl; whorls 4, convex, 

 with impressed suture. Length, "2 mill. 



New /f >ild >i<l . on sea? 



Family SKENEIDM 



Genus SKFN FA, Fldum-. 14 



B, -tr.< \N \TI< ri.ATA, I-]. A. Smith. PI. HO, tirs. 98, 99. 



Shell thin, suhdiaphanous, whitish, widely, profoundly umbilica- 

 ted; wliorls '.\\, slowly Increasing, convex, with deep, almost chan- 

 neled suture. Diam. 1%3 mill. 



I\> t'f/uelen Island. 



B. PLAHOEPIB, Knl.r. IM. CD, fig. 100. 



Rather thin, widely, patulously umhilicated, o])a(jiie, brownish- 

 yellow, or pale olivaceous, spire slightly elevated; whorls 4. sub- 

 cylindrical, rapidly increasing, smooth, base subconcave, suture 

 deep. Diam. 1'4 mill. 



Europe, Greenland to JA/x.NV//7///x/7/x. 



It is Hdi.c <l>-i>ressa, Mont., and 8. trochiformis, Locard. S, serjml- 

 nidra of (Jould and earlier American authors is also to be placed 

 here. 



S. -i:i:iTi.oii>i-:s, Montir. PI. 00. figs. 1, 2. 



Widely umbilicated, its wall with sj)iral stria-, brownish yellow, 

 smooth; whorls 4, cylindrical, spire a little elevated, suture deep. 



I)iam. 1 mill. 



I'. 1 1 rope. 



It is /tr/jiliutntu A/r/x, Phil. (fig. 1.), and S. dii'i^i, Forbes and 

 Hanley. 



B. in LI- INA. (JefiVeys, M-. . M..nt>. Mediterranean, 



.\ j,>//iu-iilti, Mont-, is a synonym. 



B. Pi HIM. Piacher. - N-t a 8ken< ll'-^ Indict. 



:M MI \. A. Ad. ./"/*///. 



Familv CHORI8T1DM. 

 IIB CHORISTE8, Carpenter. 1872. 

 arp. Pi. SI, fig. 



Thin, fragile, moderately umbilicated. e]idermi- thin, cadueoiis, 



