S E C T I O N I. 21 



criterion of the Shell, as in making tlie 

 fifh only, the criterion of the whole ani- 

 mal, or filh and fliell. 



But to produce fome inftances of what 

 I advance, the Goat's Eye Limpet^ wears 

 perhaps as many different appearances as 

 any fpecies of Shell, and even often greatly 

 refembles others ; but look only on its 

 ridges, the character of which is to be 

 three-edged like a triple-edged fpear or 

 fword, and it is immediately recopnized 

 through its different appearances. 



The Garnet Limpet ^ has in like 

 manner many different appearances ; ne- 

 verthelefs its elegant garnet-like femi- 

 tranfparent eye or top always charafte- 

 rifes it through all its colours and forms. 



1 Anonymous New Concholoofv, Plate 2. "fio;. 1. 

 ^ Id. Carbunculi oculus, PI, 2. iig 4. p. 10, 



C 3 Tl>e 



