186' , VENUS. 



p. 67. Chemnitz, \\\. p. 55. Schroeter Einl. iii. p. 130. 

 Gmelin, p. 3274. 

 Variety A. Brownish white, with broad zic-zac angulated 

 purplish stripes. 



Douax. Enc. Meth. t. 261. f. 1. 



Lister Conch, t. 378. f. 221. Petiver Gaz. t. 13. f. 8. 

 Argenville Appendix, t. 3. f. B. Knorr, vi. t. 7. f. 2. 

 Favanne, t. 47. f. A. 2. Chemnitz, vii. t. 43. f. 450 

 and 451. 

 Variety B. Pale brown, with transverse rows of darker dots, 

 and narrow zic-zac stripes towards the margin. 

 Chemnitz, vii. t. 43. f. 452. 

 Variety C. Brownish white, without any stripes. 



Chemnitz, vii. t. 43. f. 453. 

 Inhabits the Southern Ocean. Limuzus. East Indies. Lister. 

 Coasts of Brazil. IXAvila. Trauquebar and Ceylon. 

 Chemnitz. 

 Shell generally an inch, or sometimes an inch and a half long, 

 and the breadth exceeds the length about one third ; the 

 area on the cartilage slope is deeply excavated, and the pos- 

 terior depression impressed, lanceolate, and glabrous. In the 

 Encyclopedie Methodique, this species is figured as a Donax, 

 and Linnaeus has remarked the affinity which it bears to 

 Donax sciiptus. 



callipyga. 64. Shell ovate-heart-shaped, irregu- 

 larly striated transversely, and marked trans- 

 versely with angulated streaks ; posterior de- 

 pression oval ; margin entire. 



Venus callipyga. Bom Mus. p. 68. t. 5. f. 1 . Gmelin, 



p. 3282. 

 Venus Arabica. Chemnitz, xi. p. 224. t. 201. f. 1968 to 



1970. 

 Venus, No. 132. Schroeter Einl. iii. p. 194. 



Inhabits the Red Sea. Chemnitz. 



Shell about ten lines long, and thirteen broad, brownish yel- 

 low, marked with reddish brown transversely angulated 

 stripes and dots ; a small space round the umbones is white, 

 and often derives a stellated appearance from its being de- 

 fined by the other angulated markings. 



deflorata. 65. Shell oval-oblong, longitudinally 

 grooved, and slightly wrinkled transversely ; 

 anterior depression lanceolate, and the pos- 

 terior obsolete ; margin crenulated. 



