/ 138 CONCHYLlA—niTHYRA.BS. 



Pennant, Brit. Zool. iv. p. 203. 

 Dillwyn, Descript. Catal. p. 166. 

 Turton, Conch. Diet. p. 236. 

 Mtis. nost. Devonshire coast, and British Channel. 



Shell a quarter of an inch long, and a little more in breadth, 

 whitish or flesh-color, with four red spots and generally two white 

 lines connecting the two upper ones with the two lower ones, so 

 as to form a triangle, with broad smooth transverse rather 

 obscure ribs. 



The red spots, two of which are near the hinge and closer 

 together, and two near the margin and more asunder, will dis- 

 tinguish it from the young of Venus fasciata, besides the lateral 

 teeth in the hino-e. 



ft^ 



orbicuiata. Cyprina testd suborbiculai'i deciissatim striata, dentibus 

 duobus. 

 Shell somewhat orbicular, with decussate stria?, and two 



teeth. 

 Venus orbicuiata. Montagu, Suppl. p. 42, tab. 29, fig. 7. 

 Pennant, Brit. Zool. iv. p. 208. 

 Turton, Conch. Diet. p. 241. 

 Dredged by Captain Laskey, near Dunbar. 



Shell five-eighths of an inch in diameter, flattish, white ; 

 coarsely striate both transversely and longitudinally : beaks 

 very small, with a minute heart-shaped impression under 

 them. 



