403 



age : his figure is much too flender, an error his drafts- 

 man has not unufually fallen into, in thofe reprefenting 

 the natural fize. 



23. 

 H. with a ftrong, conic, opaque, dark, purplifh-brown Pete^a, 

 fhell, with five fpires ; the firll large, occupying nearly 

 two-thirds of the length ; the fuperior ones fraall : ap&x 

 fharp, pointed : the volutions are very little raifed, but 

 fufficiently defined by the feparating line, which, in the 

 future of the body whirl, rifes upon the bafe of the fu- 

 perior volution, with a flight, al?rupt, ragged edge, and 

 does not turn inwards and become lofi, as is ufual with 

 moft fhells, at the junction of the fpires : it has no regu- 

 lar ftria:, but is wrought with faint, irregular wrinkles, 

 acrofs the volutions, which, in the under part of the 

 body, above the mouth, is worn quite plain : aperture 

 lunated ; outer lip confiderably projecting, margin at- 

 tenuated; pillar lip fmooth, flat, and partly fpread upon 

 the body whirl, in a diagonal line, the whole length of 

 the aperture; this, as well as the infide, and the opercu- 

 lum, (which is of a corneous fjbftance,) is of a deep, 

 gloffy purple: the inner lip is llraight, and brought to 

 an edge, as in many of the Nerites, but the mouth does 

 not ftand fufficiently tranfverfe to claim a place in that 

 genus ; and, indeed, the apex is more produced than is 

 ufual in that tribe. Length rather more than a quarter 

 of an inch, but never fo moch as three-eighths, of which 



F f f 2 the 



