148 



^enus ix 



DONAX.t 



SHELL BIVALVE, WITH THE ANTERIOR END VERY 

 OBTUSE; HINGE WITH TWO PRIMARY TEETH, AND 

 ONE RATHER REMOTE LATERAL TOOTH ON THE 

 POSTERIOR SIDE. 



scortum. 1. Shell triangular-heart-shaped, with 

 decussated strise, and the anterior slope flat- 

 tish ; hinge with a lateral tooth on each side. 



Donax Scortum. Linnaus Syst. Nat. p. 1126. Born. Mus. 



p. 53. t. 4. f. 1 and 2. Chemnitz, vi. p. 246. t. 25. f. 



242 to 247» Schroeter Einl. iii. p. 90. Gmelin, p. 



3262. 

 Lister Conch, t. 377. f. 220. Petiver Gaz. t. 19- f. 11. 



Argenville, t. 21. f. L. Favanne, t. 47. f. F. 2. Eric. 



Method, t. 260. f. 2. 

 Inhabits the sea on the coast of Fort St. George, in the East 

 Indies. Petiver. Ceylon. Gronovius. Malabar. Chem- 

 nitz. Madrass. Solander. China. Humphreys. 

 Shell about an inch and a half long, and two inches and a half 

 broad, with decussated elevated striae, which become abrupt- 

 ly more distant towards the posterior end, and both the slopes 

 are smooth ; the colour is greyish white, with darker trans- 

 verse bands towards the margin, and the inside is violet 

 towards the hinge. 



pubescens. 2. Shell triangular, with decussated 



t D. tricolor of Gmelin is a badly constituted species, and Gualter, t. 88. f. R. 

 from which D. argentea has been taken, is certainly an Area, and bas been 

 quoted by Da Costa, Martini, Schroeter, Gmelin, Donovan, and Montagu, for 

 A, nucleus* 



