﻿

'39* 



T H 



NAT'U 



A 



H 



TOR 



In this genus of fhells the 

 from the apex to the mouth ; but we have no more than one fpecies of th 



quite entire, and continues uninterrupted 



fort 



Jamaica, which is found in the lag 



u 



bo ve t h e Ft 



rry 



LITUUS 



Minor niveus interne nitidus 



Cornu Ammonis Legitimum Klen. tab. I. f. 6. Lyft. L 



t. 19. E. 



S 



& Gualt, 



The {lender white Lit mis or Cornu- Ammonis oft. America. 



The hollow is frequently interrupted in this fort, and generally divided into di- 

 ftinct lodges by {lender tranfverfe partitions, as in the Nautilus \ but I could never 

 fee any of that fort in America 



into 



The tube of the Liti 

 free fpire, whofe windings are all in the fame pi 



is flender, and formed 



ARTICLE 



III. 



Offimple Univalves ivhofe cavities are difpofed in fpires of a more or kfs 



or riling form, with an open and pretty even aperture at the bale. 



In the difpofition of the genera and fpecies of this kind, we begin .with thofe 



that rife leaft above the plane of the bate, and proceed gradually to the moll 

 pointed and eccentric of the kind. 



TO MAT I A 1. Minor glabra. 



Catina La&is Klen. t. 7. 114. D'argcn. t. 7. C. Pet. Gaz. 1. 12. f.4. & 



Gualt. t. 67. T. 



The fmaller fmooth brown Ear-fhell. 



We feparate this genus, in which the margin is entire, from the haliofes, in which 

 is always perforated ; but we have none of the laft kind in America. 



The fhells of the following genus are diftinguimed by their obtufe and moderately 



fing apex 



few circumvolutions, and half rounded mouth 



bafe 



generally pretty wide in all the fp 



The aperture of the 



and fituated obliquely at the 



licus 



Thefe (hells may be very reafonably divided into fuch as have a perforated umbi 



and fuch as have no apparent aperture in that part 



/ 



I. Of fuch as have a perforated umbilicus, 

 NERITA 1. Alba major nitida. 



The larger white Nerite. Sec Lyft. Liv. S. 



H 



NERITA 



2. Subfufca undulatim per fafcias longitudinales variegata. 



1 



The brown variegated Nerite. See Lift. iv\ S. 5, 3, 4. 6c £)' 



t 20. A. C. 



argen 



NERITA 3. Sublutea. 



The yellowifli Nerite* 



NERITA 4. Subfufca aqualis. 





The 1 ight brown Nerite, 



NE- 





