Three nevv Trematodes found principally in Black Bass. 485 



A Short ovicluct passes anteriorly and is joiiied by Lauree's canal; 

 theii, passing' forvvard for a sliort distance, it turns backward throngh 

 tlie shell-gland. Tlie iiterus occupies tlie same position as in 

 A. tereticolle, lying- between tlie intestinal caeca and not extending 

 back of tlie ovaiy or in front of tlie acetabulum. Tlie vagina opens 

 into the genital sinus just posterior to the male opening. 



Zoological Laboratory University of Wisconsin, 

 November 1904. 



