140 SPECIFIC 



Shell subglobular, lenticular, transversely stri- 

 ate, without teeth. 



Listei' Conch, t. 260, f. 96. 



Specimen diaphanous, white, when rectiit with 

 a tinge of red, inside golden, posterior slope ovate, 

 very acute at the margin, area straight, beaks 

 turned towards the areola. 



Inhabits the American Ocean. 



Fig. 4. V. Utter n/a. 



Shell ovate, subangular before ; transver elyand 

 longitudinally sti'iate, undulate and rough towards 

 the slopes. 



Lister Conch, t. 402. f. 246. 



Specimen brownish white, with brown angular 

 line and characters in rays ; the cavity of the liga- 

 ment long and rather broad ; beaks extremely 

 small. 



Inhabits Europe^ and more rarely India. 



Fig. 5. Hinge of the flatter Valve of Spondylus 

 g cedar opus. 



Fig. 6. Spondylus gcedaropus. 

 Shell slightly eared, spinous. 



