Barnacles. 113 



in number; they may be found adhering to stones 



near low-water mark. We give 



a figure of one of these, called 



the Tufted Chiton (0. fascicu- 



laris). This word is from the 



Latin fasciculus, a little bundle of leaves or flowers, 



and it refers to the hairy tufts that edge the mantle 



of this marine slug. 



BABNACLES, 



Or, as they are sometimes called, Bernicles, belong 

 to what naturalists term the class Cirrhojpoda, some- 

 times spelled cirrijpeda, which appears to be derived 

 from the Latin cirrus — a tuft or lock of hair curled, 

 and pede—a, foot ; hence the term may be translated 

 hairy-footed. Such of our readers as have seen 

 the Common or Duck Barnacle (Pentalasmis anati- 

 fera) will at once understand the applicability of 

 this term. Many a piece of drift-wood comes to 

 land literally covered with long fleshy stalks, gene- 

 rally of a purplish red colour, twisting and curling 

 in all directions, and terminating in delicate porce- 

 lain-like shells, clear and brittle, of a white colour, 

 just tinged with blue, from between which project 

 the many-jointed cirrhi, or hair-like tentacles, which 



