No. 2322. TREMATODE FAMILY HETEROPHYIDAE— RANSOM. 



565 



anterior end of the body (a little over one-half the body length). 

 Long axis of ventral sucker inclined with reference to the median 

 line of the body, its posterior end being deflected to the right. 



29 



Figs. 2S-30. 8.— Ascocotyle minuta. Ventral view (through error the oral cecum is shown 

 ON the ventral instead of the dorsal side of the prepharynx). X 128. After Looss, 1899. 



29.— ASCOCOTYLE LONGA. VenTRAL VIEW. X HO. ORIGINAL. 30.— ASCOCOTYLE NANA. VENTRAL 



VIEW. X 110. Original. [For explanation of lettering see footnote, p. 532.] 



Genital pore in the center of a usually conspicuous vesicular swelling 

 about 160 [i in diameter, the tissue involved in this swelling being 

 of very loose texture, amid which are situated the ventral sucker, 



