148 
young and with bands of spots and streaks; whorls six, 
the body whorl very large and ventricose, the others 
small in proportion ; rounded, produced and somewhat 
lateral ; aperture suboval, sublunate; outer lip rather 
thin and even ; pillar lip rather thick and reflected, 
forming a large and deep umbilicus; operculum horny. 
1. Common on sandy shores. 
N. Rora. F. p. 319.—NeEriTa R. Mont. Sup. 150. 
t. 30. f. 3.—Smooth, purplish, with a white band 
round the top of the volutions and two others on the 
body whorl ; pillar lip forming a large projection over 
the cavity behind and producing an indentation on each 
side of it. 4%. England and Scotland, rare.-—Second 
whorl proportionably larger than in the preceding. 
N. Nitipa. F. p. 319.—NeErita N. Don. ¢t. 144. 
— Mont. Sup. p. 149.—N. Mamita. Var. C.D.p. 
985.—Glossy, white, the spire short; whorls five, 
nearly flat, the suture nearly obliterated; umbilicus 
half closed. +. Diffused but rare. 
N. Aupert. Forbes in Malac. Monens. p. 31. t. 2. 
f. 6,7.—An N. VaLencrenneEs! ? Payr. t. 5. f. 23,4. 
—Spire produced, of five whorls, divided by a shallow 
suture, body whorl largest and rounded, the upper ones 
