NERITA. 095 



Nerita nigra. Chemnitz, v, p. 321. t. 193. f. 2015. 

 Nerita bifasciata. Gmelin, p. 3685. Schreibers Conch, i. 



p. 332. 

 Nerita, No. 116. Schroeter Einl. ii. p. 340. 

 Rumphius, t. 22. f. No. 7. Petiver Amh. t. 1 1. f. 23. 



Inhabits the Asiatic Ocean. Linnmis. Coasts of the Isle of 

 France. Lister. Amboyna. Rumphius. Moluccas. Fa- 

 vanne. Madagascar, China, and the Sandwich and Society 

 Islands. Humphreys. 



Shell about fourteen lines long and eleven broad, solid, po- 

 lished, of different colours, and variously ornamented with 

 stripes, spots, or clouds, of which Varieties only a few are 

 above enumerated ; the aperture towards the margin is 

 white, and the throat generally yellow ; if the length is taken 

 from the lateral summit of the spire to the end of the pillar, 

 it measures less than the breadth, but the length and breudth 

 of the Nerites have been generally taken obliquely, and in 

 fact are the greatest and smallest diameters. 



HiEROGLYPHiCA. 38. Shell sub-globular, white, 

 with blackish undulated streaks ; inner lip 

 toothed and crenulated. 



Nerita hieroglyphica. Chemnitz, v. p. 322. 1. 193. f.20l6 

 and 2018. 



Nerita litterata. Gmelin, p. 3685. 



Nerita, No. 117, and No. 118. Schroeter Eijil. ii. p. 340. 



Nerita, No. 83. Schreibers Conch, i. p. 332. 

 Inhabits the East Indiasi Seas. Chemnitz. 

 This shell is nearly of the same size, but rather shorter and 



more globular than N. polila ; from which it also differs in 



being less polished. 



PIPERINA. 39. Shell sub-globular, smooth, thin, 

 of a dull yellowish colour, with triangular 

 black spots, and the inner lip denticulated. 



Nerita Piperina. Chemnitz, xi. p. 173. t. 197. f. 1905 and 

 1906. 

 Inhabits the coasts of Malabar. Chemnitz. 

 The diameter appears by the figures to be about ten or eleven 



lines, and the colour a dull yellowish olive, with numerous 



large black triangular spots ; the inner lip has four small 



teeth, and the outer lip is acute. 



