236 



THE LIFE OF CRUSTACEA 



branching, root-like filaments. As in the case of 

 the Rhizocephala, these roots appear to absorb 

 nutriment from the host, and, although Anelasma 

 possesses a food-canal and mouth, the cirri are 

 reduced in size and devoid of hairs, so that they 

 cannot be used for obtaining food as in ordinary 

 Barnacles. 



