1 66 



UNSEGMENTED " WORMS." 



anterior, perforated by the mouth ; a second, imperforate 

 a little further back on the mid ventral line. 



ut 



iii. 53. Reproductive Organs of Liver Fluke. 

 (After SOMMER). 



f. Female aperture. 

 s.v. Seminal vesicle. 

 y.gl. Diffuse yolk glands. 

 sh.g. Shell gland. 

 v.d. Vas deferens. 

 T. Testes (anterior). 



ov. Ovary (dark). 

 ut. Uterus. 

 c.s. Cirrus sac. 



p. Penis. 

 m. Mouth. 



g. Anterior lobes of gut. 



There is a muscular pharynx and a blind alimentary canal 



