92 CLASS CIRRHIPEDA. 



they have the same system of nerves, they have jaws 

 analogous to those of the Crustacea, and their tentacula 

 resemble the antennae of the shrimps." To prove that 

 they really were Crustacea, was a task that devolved 

 upon a British naturalist, I. V. Thomson, Esq., a sur- 

 geon in his Majesty's forces. The manner in which this 

 discovery took place, we shall notice further on. 



TheCirrhipeds have obtained their name from the hairy 

 feelers, or tentacula, with which they are provided; the 

 name Cirrhipeda being derived from two Latin words, — 

 cirrhus^ hair, and joes, the foot ; these appendages, being 

 figuratively called feet, although they have, in reality, 

 but little relation to that organ of motion. 



They have been separated into two orders ; namely, 

 Cirrhipeda pediincidata, which are attached to any 

 object by a tube of a leathery nature, as, for instance, 

 the Barnacle, — and Cirrhipeda sedentaria, which are 

 fixed directly to the rock, like the Acorii-shell. 



ORDER CIRRHIPEDA PEDUNCULATA. 



(Cirrhipeda with a Footstalk.) 



The Smooth Barnacle, (Anatifa Icevis.) 



The curious popular error, that the Barnacle contained 

 the young of a species of goose, which was thence called 

 the Barnacle Goose, has lasted for many ages, and still 

 prevails among the uneducated, on the shores of many 

 of the European seas. One reason of the continuance 

 of this error in several Roman Catholic countries, is the 

 permission granted by the priest to its members, to eat 



