268 



BULLETIN OF THE UNITED STATES FISH COMMISSION. 



less irritation by its attachment to tlie walls of the rectum of the sword-fish (Xipkias 

 f/ladiufi). aud Echinorhynchus proteus, in almost all cases where seen in the squeteague 

 (Cynoscion regalis), the blue-fish (Pomatomus saltatrix], and in former years in the 

 striped bass (Roccus lineatus), penetrates the intestinal wall of its host, causing 

 various degeneration alterations in the surrounding tissues. 



Nummary of results (for details see Part I). 



