N Ell IT A. 993 



imte longitudinal undulated brown lines ; the aperture is 

 large, and has a broad pillar-lip, which is generally of a paler 

 colour and somewhat gibbous. Favanne says it comes from 

 the coasts of Virginia, but E believe it is a fresh-water spe- 

 cies, and boxes of the shells are often brought from the West 

 Indies, under the name of Green Pease. 



viRGiNEA. 35. Shell smooth, ovate, with the inner 

 lip gilDbous and denticulated on the margin. 



Nerita Virginea. Linnaus Si/st. Nat. p. 1254. Born Mus. 



p. 404. Schroeter Einl ii. p. 292. t. 4. f. 14. Gmelin, 



p. 3679. Schreihers Conch, p. 326. 

 Nerita fluviatilis, Var. y. Gmelin, p. 3677- 

 Nerita2 fluviatiles Indiae occidentales. Chemnitz, ix. part 2. 



p. 71. t. 124. f. 1086, 1087, and a to /. 

 La Nerite a zic-zacs. Favanne, ii. p. 246. t. 10. f. B..? 

 Bonanni Rec. and Kirch. 3. f. 204 and 205. Lister Conch, 



t. 604. f. 24 to 27, and t. 6O6. f. 35 to 37. Jrgenville 



t. 7. f. P.? Klein Ost, t.2. f. 32. Geve, t. 24. f. 250 



to 257. 

 Inhabits the Mediterranean. Linnczus. Barbadoes. Lister. 



Rivers in the West India Islands. Chemnitz. 

 Shell about a quarter, or sometimes three-quarters of an inch 

 long, and nearly equally broad ; it is allied to N.Jluviatilis, 

 but is larger, proportionably broader, and more glossy, and 

 has the margin of the inner lip denticulated ; the colour is 

 white or yellowish, elegantly marked longitudinally with line 

 crowded black, brown, or purplish undulated or somewhat 

 reticulated lines, and spotted or banded in an infinite variety 

 of ways. It is generally considered to be the Linnzean TV. 

 Virginea, though in the Systema Naturae that species is de- 

 scribed to be marine, and this is an inhabitant of fresh 

 water. 



TURRiTA. 3G. Shell with alternate black and white 

 longitudinal parallel stripes, and the spire 

 much produced ; outer lip acute, and the 

 inside white. 



Nerita turrita. Chemnitz, ix. part 2. p. 71. 1. 124. f. 1085. 

 Gmelin, p. 3686. 



Inhabits fresh water, in the West India Islands. Chemnitz. 



This shell appears by the figure to be rather more than an inch 

 long, and two-thirds as broad, with four whirls, and the 

 spire much produced ; the outer lip is said to be acute, and 



