l.">:> 9KPIOTE1 THIS. 



S. MAURITIANA, Quoy and Gaim. PI. r,l. tigs. -2os. -_>o<) ; pi. r>2, 



fig. :-><><; -. pi. i;i. lig. -JOT. 210. 



Body cylindrical, acuminated; iins narrow, widest :it two- 

 thirds the length oi' the body: sessile :irms unequal, order of 

 length :J. 4. -2. 1: the cups oblique, the rings with a number of 

 acute, hooked, curved teeth: tentacles slender; the cups rather 

 oblique, with acute, distant-, hooked teeth. Length. 17 inch- 



Mauritius. 



S. M \I>.Ui. \sr.\UI KNSIs. (il'jiy. 



IJody oblong, rounded behind: tins broad, rounded ; nips of 

 tentacular arms unequal, four-rowed ; labial membrane with a 

 single cup at the tip of each angle. Shell lanceolate, rather 

 broad, upper part rather broad, blackish. 



Not figured : the description is sudiciently indefinite. 



Madagascar. 



S. AK.TIIMNMS, (iollld. PI. i>'2, fig. '211. 



IJody eloi)iat<-. ovate-lanceolate; tins with rounded outline^, 

 broadest beliind the middle; head rather narrow; sessile arms 

 short, stout, order of length 2, 4, 3, 1; tentacles lono- as the 

 body. Color brownish-purple with red dots. 



Length of body. (' inches; total length. ll> inches. 



Sandwich Inlands. 



Very closely allied to S. Mauritin uti . but differs in the formula 

 of the aiin> ; it is also very close to the next species, but besides 

 the formula, there is a dill'erence in the shell, which has thickened 



margins. 



f f Shell lanceolate, the margin* of the wings not thickened. 



S. LK>SOM\\A. I-Yr. and Orb. IM. c,'2. fig. *2 1 '2 : pi. t'.4, iM:',. 



IJody clniii-:itcd. vi)let-s]nttel : tins ililate(l jiostcriorly ; head 

 broad, eaf Orestfl thick, broad; so^ilc arms, ordei 1 of length :j. 

 1,2, 1. their cup- obli.pic with distant, acute teeth: tentacles 

 bluntly clubbed, ihe cups large, very oblique, and armed with 

 acute, distant, curved teeth. Length, nearly :i feet. 



New Guinea ; New Zealand ; Java ; Malabar. 



S. LOLIQINIPORIIIS, Leuckart. IM. li-J. Big. 214; pi. <i4, iig. '2 IT). 

 Distinguished by its tins beino- wider posteriorly. S. Hempri- 

 //, Khrenburi:, from the -aim- locality ( not figured), has a simi- 



