CO^CUYLlk—DlTHYRA. 19. Ar 



Shell somewhat globular, equivalve, closed. Hinge with two 

 approximate teeth and a remote lateral tooth in one valve, and 

 a concave tooth and remote lateral one in the other. Liga- 

 ment internal. 



The genus is denominated from our worthy and scientific 

 fellow-student in this department of science, J. M. O'Kelly, Esq. 

 of Dublin. 



Kellia testa suborhiculari cequilaterali alba. '" Ur^'*'"* 



Shell somewhat orbicular equilateral and white. -^ 



Tab. nost. 11, fig. 5 and 6. 

 Mya suborbicularis. Montagu, p. 39, 564, tab. 26, fig. 6. 

 Linn. Trans, viii. p. 41. 

 Turton, British Fauna, p. 167. 

 Pennant, Brit. Zool. iv. p. 166. 

 Woody Conch, p. 111. 

 Dillwyn, Descript. Catal. p. 55. 

 Tellina suborbicularis. Turton, Conch. Diet. p. 179. 

 Mus.nost. In limestone and old bivalves. 



Shell nearly half an inch long, and a little broader, very con- 

 vex, yellowish-white, very slightly striate transversely, the front 

 margin running nearly straight : beaks central, prominent, ob- 

 tuse : hinge with a single recurved concave tooth in one 

 valve and two small teeth in the other, and a lateral tooth in 

 each valve on the opposite side of the primary ones. 



Kellia testd ovaid in<equUaterali rubrd. "•'»'»• 



I 



