982 NERITA. 



ORiENTALis. 10. Shell sub-globular, polished, with 

 the spire slightly wrinkled at its base, and 

 the umbilicus nearly closed by a broad 

 callus. 



Variety A. Yellowish brown, with a white transverse nar- 

 row band in the middle of the body-whirl, and the pillar 



white. 



Nerita orientalis. Gmeliti, p. 3673. Schreibers Conch, i. 

 p. 318. 



Nerita subfulva. Chemnitz, v. p. 268. t. 188. f. 1898 and 

 1899. 



Nerita, No. 9. Schroeter Einl. ii. p. 307. 

 Variety B. White, without any markings. 



Nerita eburnea. Chemnitz, v. p. 268. 1. 188. f. 1904. 



Nerita candidissima. Ulysses s Travels, p. 474. 



Nerita, No. 10, Schroeter Einl. ii. p. 308. 



Nerita, No. 14. Schreibers Conch, i. p. 318. 



Geve, t. 28. f. 308. 

 Inhabits the East Indian Seas. Chemnitz. Bay of Naples. 



Ulysses. 

 Shell about an inch long, and nearly equally broad, and the 



two Varieties appear to differ in nothing but colour. 



CRUENTATA. 11. Shell sub-globular, obtuse, with the 

 whirls rounded, and the suture channelled; 

 umbilicus spiral and pervious. 

 Nerita cruentata. Gmelin, p. 3673. Schreibers Conch, i. 



p. 319. 

 Nerita, No. 1 1. Schroeter Einl. ii. p. 308. 

 Nerita maculis rufescentibus, &c. Chemnitz, v. p. 269. t. 



188. f. 1900 and 1901. 

 Nerita rufescente varia. Mus. Leskeanum, p. 290. 

 Inhabits the coasts of Tranquebar. Chemnitz. 

 Shell about an inch long, and nearly equally broad ; it is white, 

 covered with reddish spots, and the summit and inside are 

 bluish. 



RUGOSA. 12. Shell sub-globular, with the whirls 

 longitudinally wrinkled, and the umbilicus 

 bordered with white. 



Nerita rugosa. Chemnitz, v. p. 269. t. 188. f. 1902 and 

 1903. Gmelin, p. 3673. Schreibers Conch, i. p. 319. 

 Nerita, No. 12. Schroeter Einl. ii. p. 308. 



