LLABIA. 



S. IM:I:NOI;II.IS, Fi>rlu-r :in.l IVrnardi. IM. 1 .: 



\Vlmrl> 5 o', rapidly increasing, TOntrioOM, with derp Hiture, 

 QTOVed \>y \\ 16 Strong, iv.-m-vnl lamella-, with iimlulat iiiL r 



8, antl -omeuhat aculeately produced alioye. 

 Length, 40 mill. 



Ins. Marie- Galante, W. ///<//<>. 



Sonu-what ivsnnblrs. \mi is very much larger than 8. echinctr 

 ti<-n*t<i, <l'()rh. Also related rather closely to S. turbinata, Con- 

 rad, and X. /'tiui'tn/t'xii, Wrrill and Smith. 



S. FRONDOSA, Sowb. PI. 13, fig. 7. 



Subperforatc, whorls 7-8, with al>out 14, rather stout, erect or 

 slightly recurved lainellic, a little produced above, forming a 

 narrow shoulder. Length, 20 mill. 



Mediterranean, Say of Biscay. 



The synonyms are, according to Dr. Jeffreys: S. Celesti, 

 Aradas; X. ]>nnnla, Libassi; S. rugosa, Costa; S. eximia, Pec- 

 chioli; S. Pecchioliana, Issel; S. Gravitellensis, Segnenza, and 

 8. soluta, Tiberi, 1868, not 1863. 



S. PAT -MO -i -i:\sis, Pease. PL 13, fig. 16. 



Thick, smooth, white; whorls 6, rounded, narrowly separated, 

 with seven, stout, regular, continuous, recurved lamellae. 



Length, 9 mill. 



Paumotus, Kingsmill and Viti Islands. 



S. JAPONICA, Bunker. PL 13, fig. 15; PL 14, fig. 24. 



White, smooth, with seven rounded, scarcely touching w^horls, 

 crossed by rather solid, obliquely continuous, subdistant lamellae. 



Length, 15 mill. 



Japan, 



This is S. Japonica of Reeve, not Nyst the latter being a 

 Constant ia and substituted tor S. elegans, A. Ad., preoccupied. 



S. DECT>SATA. I Nase. PL 13, fig. 14. 



Rather thick, white; whorls 6, rounded, narrowly separate, 

 TM-sed by seven stout, regular, continuous lamelhe, the inter- 

 Bticee decussated by very minute raised stride. Length, i) mill. 



A7// '/.<//////, Viti and 

 5 



