126 The Rift ory a/ANIMALS. 
Cochlea Icevis fufca ore magno. 
The fmooth , brown Cochlea , with a great mouth . 
This is a beautiful fpecies 5 it grows to about an inch in diameter, and as much in 
height: it’s furface is fmooth and even, and it’s colour a bright agreeable brown gra¬ 
dually growing paler toward the edges of the (hell, till it becomes almoft whitifh * 
the clavicle is but little exerted, and the mouth is very large 3 it is of a very regularly 
femicircular figure, the anterior part of it extending to a true fegment of a circle and 
the hinder being formed into a ftraight line, cutting it off, as it were ; this part has a 
fmall lip, and an umbilicated hole behind it 3 the whole inner furface of the fhell is 
whitifh. 
It is a native of the Eaft Indies. 
Cochlea fafciis tribus elevatis . 
The Cochlea , with three elevated fafeice. 
This is a fingular and beautiful fpecies: it grows to an inch and half in diame- 
tcr : the body is large; the clavicle fmall, fpiral, and deprefied. The whole is 
fmooth, except that there run three lines or fafcise, which rife above the furface, 
which are narrow, but not very fharp, along the whole body, dividing it, as it- were’ 
into fo many fpaces: the ground colour of the fhell is a reddifh-brown, and the va¬ 
riegations, which run in the form of irregular clouds, are of a paler colour: the mouth 
is large and femicircular, and both that and the whole inner furface of the fhell are of a 
pearly hue. 
It is frequent on the coafis of South America, and is alfo brought fometimes from 
the Eaft Indies. 
Cochlea fubrotunda Icevis ore lato . 
The roundijh, fmooth Cochlea , with a wide mouth . 
This is a fmall fpecies, and is the roundeft in it’s figure of any of this genus: the 
body is large, and is about equal to it’s depth in it’s diameter : the clavicle is fmall, 
and forms a deprefied fpiral turn at the end : the mouth is very large, and is fomewhat 
broader than it is deep ; it is regularly femicircular at the anterior part, but the part of 
the fhell that cuts it off behind, is continued forward toward the middle, fo as to fill 
up a part of the opening 3 it is in this place formed into a kind of lip, and has an um¬ 
bilicated hole behind it: the whole furface is fmooth, and of a greyifh-white, 
variegated with two irregular zones, formed of a number of clouded fpots, rough and 
lacerated, as it were, at the edges: the infide of the fhell is of a pearly white. 
This fpecies is frequent in the Eaft Indies, where it is not uncommon to find the 
Cancelli, or Hermit Crabs, while young in them. 
Cochlea labio pofteriore bidentato. TZfyt 
The Cochlea , with the pofterior lip bidentated. fflttitt* 
This is one of thofe Cochleas which have been injudicioufly feparated from the 
others, under the name of Neritae: it grows to about an inch in length, and three 
quarters of an inch in diameter: the body is large, and of an oblong inflated figure $ 
the clavicle is fmall, and forms a deprefied fpiral turn : the colour of the outer furface 
of the fhell is grey, variegated with a deeper iron grey, which is almoft black 5 the va¬ 
riegations lie in irregular clouds, not very large : the infide is whitifh or pearly; the 
mouth is large and femicircular j the hinder lip is dentated, or formed about the center 
with two oblong and obtufe teeth, which are fometimes reddifh towards their extre¬ 
mities, fometimes all over: in this cafe, our colle&ors call it the Bloody-tooth Nerite, 
but they give the fame name alfo to the next fpecies, and to feveral others under the 
fame accidents. 
Cochlea 
