VENUS. 201 



Shell about three quarters of an inch in diameter, and is more 

 or less produced and angulated at the anterior end ; the co- 

 lour is whitish or pale brown, irregularly streaked with pur- 

 ple, and the inside has a purple tinge, especially towards the 

 margin ; the cartilage is internal, and has a hollow for its in- 

 sertion under the umbones. 



corrugata. 98. Shell sub-orbicular, flatfish, with 

 thick transverse striae, and the umbones wrin- 

 kled ; depressions both obsolete, and the 

 margin crenulated. 



Venus corrugata. Chemnitz, vii. p. 25. t. 39. f. 410. and 



411. 

 Venus rivularis. Born Mus. p. 72. t. 5. f. 7- 

 Venus scripta Var. £. Gmelin, 3286. 

 Venus, No. 40. Schroeter Einl. iii. p. 169. 



Inhabits the Red Sea. Chemnitz. 



Shell about fifteen lines long, and seventeen broad ; a space 

 round the umbones is obliquely wrinkled, and the lower part 

 towards the margin marked with regular transverse thickish 

 striae or ribs ; the colour is pale yellowish, and it is some- 

 times ornamented with brown veins. 



scripta. 99. Shell sub-orbicular, compressed, al- 

 most flat, transversely striated, and both the 

 slopes nearly straight ; margins very entire. 



Venus scripta. Linnaus Syst. Nat. p. 1135. Chemnitz, 



vii. p. 31. t. 40. f.420 to 426. Schroeter Einl. iii. p. 145. 



Gmelin, p. 3286. 

 Venus Wauaria. Gmelin, p. 3291. 

 Venus, No 130. Schroeter Einl. iii. p. 193. 

 Rumphius, t. 42. f. C. Petiver Amb. t. 18. f. 3. Gualter, 



t. 77. f. C. Knorr, v. t. 15. f. 3. Regenfuss, i. t. 7. f. 



12. Erie. Meth. t. 274. f. 1. 

 Inhabits the coasts of Amboyna. Rumphius. Tranquebar, and 

 the Nicobar Islands. Chemnitz. Coasts of Naples, about 

 Tarentum. Ulysses. 

 Shell about an inch and a half, or an inch and three quarters in 

 diameter ; the slopes are both truncated, and at the umbo 

 form nearly a right angle ; the colour is whitish, tinged with 

 pale yellow, brown or purple, and variously marked with 

 darker spots, rays, and zic-zac stripes; the inside is white, 

 with a large brown spot near the middle. Gmelin's V. Wait-* 



