CONCHOLOGY. 



* The figure in the annexed plate, distinguished by a single star, 

 presents a dorsal view of the animal, as it lies within its shell, com- 

 posed of sandy particles. 



** The animal drawn out of the shell, which is then perceived to be 

 gelatinous ; this also is a dorsal view. 



The under surface or belly of the animal ; and in this the 

 situation and form of the peduncles or feet are more completely shewn 

 than in the second dorsal view. 



■R 10 - b ? ! 



**** One of the peduncles, terminating in the tuft of bristles, that 

 serve the animal as feet. 



*****The anterior part of the head considerably enlarged, shewing 

 the two pectinated tufts of a splendid gold colour, which stand in 

 front of the head, and partially conceal the tentacula. 



