66 MARINE SHELLS. 
ROSTELLARIA. 
Rostellaria gigantea... .. eee |) 6b eeu ee China 
ROTELLA. 
foneldarelewanst 4's es ict Ge Bech: noe cee ...Hast Indies 
Rotella monolifera, vei Jakes. ...dapan 
Rotella veswWariacsy 22 fee. Di. ebiian it, (rn 
C =) | WEE CLERANS i555, Beth. =. .22253 eae Philippines 
Rotella vestiarius ... 7... 2246 034 CR eae: $..2 Jamaica 
SANGUINOLARIA. 
Sanguinolaria miniata.......... Os Sr Acapulco 
Sanguinolaria (Tellina) rosea..... .......-.Gulf of California 
Sanguinolaria sanguinolenta... ...Gmel........ .....02- Jamaica 
SAXIOCAVA. 
DAXiICdVa TUSOSAL ci Ee eiler cs ob Scacché...Britain ; Mediterranean 
SCALARIA. 
Neal aria COMMIS, os2i0e sae ches TSONGA.) et ee Mediterranean 
Sealariaveschrichtii.).. 2.22. 2A ELONS 23) Re ee Greenland 
Scalaria (Opalia) greenlandica. .Chem.......Icy Cape, Greenland 
Healaria mitrerormis .. 2..." OL a pied West Coast of Mexico 
Scalaria pseudoscalaris......... BOG... 205 as 2 Cuba 
Scalaria BEL RA et 2s te sac oe Azores 
Scalaria ———.... ... ....... .. Wangapoa I., New Zealand 
SCINTILLA. 
Scintilla Cumin Gis: Fo se se. --.....+.Gulf of Californias 
SCOLYMUS. 
Scolymus aurbinellus ......... TAN. eh ae eee Philippine Is 
SCROBICULARIA. 
Scrobicularia piperaia. sees See eee Mediterranean 
SIGARETUS. 
Sigarewis Gepiis ns... tac eee GG: 2 eee La Paz, Mexico 
EE 
