DONAX.— Plate VII. 



attenuato-rotuniato, postico gibboso, biangulato ; area 

 interna corrugatd. 



The small-toothed Donax. Shell triangularly wedge- 

 shaped, rather thick, densely linearly grooved, whitish, 

 variously red and grey rayed, sometimes orange ; an- 

 terior side somewhat atteuuately rounded, posterior 

 side gibbous, two-angled ; inner area wrinkled. 



LiNNiEDS, Syst. Nat. (12th edit.) p. 1127. 



Hab. West Indies. 



A rather stout solid species, strongly linearly grooved 

 thi'oughout, double-angled on the posterior side, the area 

 of the inner angle being wave-wrinkled. 



Species 49. (Mus. Cuming.) 



Donax obesa. Don. testa abhreviato-trigond, yibbosd, 

 obesdy radiatim tenue Uneari-sidcatd, sidcis minutis- 

 dme decmsatis, latere antico subacuminato, postico 

 obtuse globoso-truncato, alba, postice griseo-tinctd. 



The stout Donax. Shell shortly triangular, gibbous, 

 stout, radiately finely linearly grooved, grooves very 

 minutely decussated, anterior side subacuminated, 

 posterior obtusely globosely truncated, white, pos- 

 teriorly staiued with grey. 



D'Oebigny, Voy. dans I'Amerique Meridionale. 



Hob. Keal Llejos, Central America ; Cuming. 



A small species, of peculiarly short stout swollen 



growth. 



