ASCAKIS DECIPIENS. 



117 



A. capsularia is probably a collective designation, including the young stages of a 

 number of distinct species of Ascaris, and would thus from a biological standpoint 

 nearly correspond to such expressions as Agamodistommn, Gysticercus, etc. 







«./!«'■' 



Fig. 18. 



The young stages (figs. 20-22) in the fur seal attained 14™" or more in length 

 by about 0.528'"'" in diameter, and possessed a finely traversely striated cuticle. 

 The head is provided with a well-developed spine, ventral of the round mouth, and 

 four papillae; in some specimens the cuticle was being cast, and within it the three 



