158 



PARASITES OF THE DO^IESTIC ANIMALS 



Fig. Si3. — Reproductive organs of liver fluke: f, female apcraturc; s. v., seminal vesicle; 

 y. g. 1., diffuse yolk glands; sh. g., shell gland; v. cl., vas deferens; T., testes; ov, ovary 

 (dark); ut. uterus; c. s., cirrus sac; p, penis; m, mouth; g, anterior lobes of gut (after 

 Thomson, fmm Soiiuiier). 



