Parasites. 



59 



sheep pass the ripe, detached segments, shutting them up, 

 expelling the worm by vermifuges (oil of turpentine in 

 milk, male-fern, etc.,) and burning both it and the sheep's 

 droppings. 



LAED-WOEM OF THE HOG. 



This worm ( Stephawwnis Dentatus) is from one to one and 

 Fig. 7. 



Fig. 7 — Stephanurus Dentatus ; a, male ; d, female ; e, head, magnified. Ver. 



rill. 



three-fourths inches long by one-thii-teenth inch broad, 

 and is found in almost all parts of the body of swine. It 



Fig. 8. 



Fig. 8 — Eustrongylus Gigas. Cuvier. 



is frequent in the liver, kidney and the fat about the spare- 



