I'l \. 



lift ma\ S. /* ii-rri'ililii . HIM 



;iilll\ IV-einMe- i I . | >:l I" i < ' 1 1 l:i H \ the -hell; II|1 then 



. ili:il iv-emMailce t() N. I nit,' rnilnlii , although | he 



-hell- are dillerelit. The ! lllicrclcs of I lie l:it ! cr in:i\ I ie < 1 IK' I < 







ii oi 1 1 \ . :IIK| I In- <li He rci ice- of nip- :IIK| -hell a re po--i U \ 

 onl\ -cxual. 



\ \ m:i: \\ \. Siecn-i nip. I'l. M>. fiu. ios ; p|. :HI. |j,_,^. tn'.i. Ho. 

 |MM|\ l<ii-_i. poin'cil licliind: liu^ ii:irr<>\\ : -croud p:iir i>l' ;i nn- 

 nc:irl\ ilniiliU* llic Iriiii'ili of llic ntlu-rs. ;in<l ilicir -\ , remit i-> 

 with the cups in two >cric- in-u-.-id of I'onr: icii;:ir|f- r;i;hci 

 short. c\ liinlric:d. with thick. -!;or; clnl>- :ind livt' ro\\ 

 sucker-, lour in \ he middle row lieino- much l.-iriicr. Shell II.-HTOU . 

 elongated, \\iih :i recurved ro>tnnn. 



\'>t unlike >'. /li-rf/ii'Iofi ill u'eiierMl MppcMfMiice. l>ut ditl'ei's 

 IVoin nil other specie- in the li'reiit Infill of tin- second p;iir of 

 arms; the shell reseinhlo no other in this seclion of ! he oviius. 

 its iie.-iresi relation leiiiLi.' S. <'l(tm/<t/ti. 



* * Cui>* /' tt>nfif'')<rr arm* in jir<- >, nix aerie*, m/h-e</i'-al, modern ft' 



\ siiell oblong, 

 S. LYCIDAS. (\\\\\. 



Sc-sile MI-IMS with tour series of nil her laru'e (Mpial cups ; ten- 

 tacles eloiio-aie. die clul> distinct, slightly linneil liehind. with 

 ti\c >erie- of cups: Ihose .(' the middle equal sixed. nearly the 

 -i/.e of tho-e on the ses-ile arms; of the lower and upper end 

 -mailer. Shell ollon-_L'. rather elongate, slightly |rnliu-rl :ilm\-e. 

 narrowed, produced and rounded behind : apex llimt. cavity 

 with a -troiiLi. raised, rounded ridii'e on each side In-hind; disk 

 convex, with a liroad central concavii\ exiendin^ nearlx ! he 



whole leit'jl h. 



- (/ . 



Described from a specimen ill l>rit. Mus. olitained -alted in 

 the market of Canton. 



f f SheV 



I'.KimiKi.oTi. Kcr. and Orl>. I'l. lo. ftg, ill. H -2. 

 I5<>d\ oll(,n^. elongated, -u'hcy lind rica I. -mooth. Idunt hehind 

 ami pointed in front ; tins narrow. !roadt-r licliind; -ar- simple: 



