254 



PaS. 



Polyplaxiphora Blainv. subord. 162 



Pa-. 

 Scutella iridescens var. Brod. 162 



— rosea Brod. 162 

 Simnia Leach 128 

 Sistrium Oken 70 

 Solemya Lam. 233 



— borealis Tott. 233 

 Solen Linn. pars 233 

 Solenacea Mke. fam. 233 

 Solenelia Sow. 233 



— Norrisii Sow. 234 

 Soienomya Mke. 233 

 Solidula Fisch. 59 

 Sphenia Turt. 234 

 Spirobracbiophora Gray. chiss. 174 

 Spondylus Linn. 177 



— aculeatus Brod. 178 



— dubius Brod. 177 



— leucacanlba Brod. 178 



— princeps Brod. 177 



— princeps var. Brod. 178 

 Stililer Brod. 140 



— astericola Brod. 140 



— subulatus Brod. 140 



— Turtoni Brod. 141 

 Stomatopleropbora Gray.class. 1 

 Stran)onila Scbuni. 70 

 Strophitiis Kafin. 193; 195 

 Subniytilacea Blainv, partim- 



fam. 193; 



Subostrocea Blainv. fam. 

 Stibula Blainv. ; Scbum. 

 Syphopatella Less. 

 Tanychlamys Bens. 

 Tapes Miihlf ; Scbum. 

 Tectus Montf 

 Tegula (Less.?) 



— elegans Less. 

 Terebra Blainv. 

 Terebra Brug. 



— aciculata Gray 



— affinis Gray 



— — var. j^. 



— — var. y. 



— alba Gray 



— albida Gray 



— anomala Gray 



— cancellata Gray 



— flava Gray 



— — var. 



— gracills Gray 



— Knorrii Gray 



— laevigafa Gray 



