SOLARIUM. 9 



S. MODESTUM, Phil. PL 2, figs. 22, 23. 



Umbilical crcnulatioiis white ; wliorl« si)iraliy silicate near the 

 suture, ribbed at the periphery, spirallj^ sulcate and ribbed above 

 and below the periphery and near the umbilicus ; color ash-white 

 or brownish with an interrupted brown band near the suture, 

 continuous brown bands below the upper sulcus and on the rib 

 above tlie periphery, periphor}'^ and inferior rib witli distant 

 brown spots ; base with an interrupted brown band near the um- 

 bilicus. Diam. 13 inches. 



China; Society Is. 



Very much resembles S. perspectivum and may perhaps be a 

 variety of that species ; it differs in the coloring only. 



S. PERDix, Hinds. PI. 2, figs. 24, 25. 



Umbilical crenulations small, white ; whorls spirally sulcate 

 near the suture, ribbed at the peripher3^ spirally sulcate and 

 ribbed above and below the periphery and near the umbilicus, 

 ribs crenulated ; color pale brownisli ash witli bands of distant 

 red-brown spots near the suture, on the ribs about the periphery 

 and near the umbilicus. Diam. 1-3 inches. 



Malacca; Ceylon; N. W. Australia. 



In general appearance this species ver}^ much resembles the 

 young state of S. perspectivum l)ut is easil}' distinguishable by 

 tlie finel}^ crenulated ribs about the peripliery and the small 

 pearl-like crenulations of the rib around the umbilicus. 



S. DuNKERT, Hanley. PI. 2, figs. 26, 27. 



Umbilical ci'enulations white ; whorls spirall}' sulcate near 

 the suture, ribbed at the peripher}-, spirally sulcate and ribbed 

 above and below the periphery and near the umbilicus, ribs 

 crenulated ; color fulvous-drab with interrupted brown bands 

 near the suture, on the ribs about the periphery and near the 

 umbilicus, and with obscure, radiating, interrupted brown 

 blotches. Diam. I-IS inches. 



Indian Archipelago. 



This species resembles S.j^erdix^hni is more plentifully spotted 

 and has obscure, radiating blotches. 



S. MAXIMUM, Phil. PI. 3, figs. 31-34. 



Umbilical crenulations white ; whorls spirally striated, spirally' 

 bisulcate below the suture, ribbed at the periphery, spirally 



