BOLAB11 M. c, 



S. M..1M-.STI M, Phil. PI. I'. 



Umbilical crenulations white ; wboi , r tho 



suture, ribbed at the periphery, spiral); 

 Mild In-low the periphery :uid near tin- D 

 or brownish with :ui interrupted brown t 

 continuous in-own bands below the up] 



above tin- periphery, periphery :md inferior rib with 

 brown spots; base with an interrupted brown ' 

 bilk'us. Diain. !:> inehes. 



Very much resembles S. i>(>r*i>t><-l inn,, and nui; 

 vnriety of tlint species; it diiirrs in tlie coloring only. 



S. TKIIDIX. Hinds. PI. 2, figs. 24. 5 



rinbilical crenulations small, white ; wh<-rls spiral 

 iH'iir the suture, ribbed at the periphery. spir:ill\ 

 ribbed above and below the periphery and near the n 

 ribs crenulated ; color pale brownish :i-h with Icuid- ol 

 red-brown spots near the suture, on the ribs about the j. 

 and near the umbilicus. Diam. T3 indies. 



Malacca; Ceylon; X. 1C. . 



In general appearance this species very much 

 young state of S. perspectwum but is easily di->tin'_rii;-h:i!>'. 

 the finely crenulated ribs about the periphery and tin- II 

 pearl-like crenulations of the rib around the umbili-- 



S. DUNKERT, Hanley. PI. 2, figs. 20. -J7. 



Umbilical crenulations white; whorls spirall;. 

 the suture, ribbed at the periphery, spirally sul.-a' 

 above and below the periphery and near the umbilicus, ribs 

 crenulated; color fulvous-drab with intrrnij 

 near the suture, on the ribs about the peri pi. 

 umbilicus, and with obscure, radiating, int rr; 



blotches. Diam. 1-1 -f) inches. 



'ago. 



This species resembles 5. pcr(fwr,bn1 is more plentif 



and has obscure, radiating blotch 



S. MAXIMUM, Phil. PI. 3. lig<. :51 34, 



Umbilical crennlations white; whorls B pin -i rally 



bisnlcate below tin- suture, ribbed 1 tl 



