176 



The Farmer's Veterinary Adviser. 



etables (see lung-worms, verminous broncJiitis,) but some are 

 exceptions, like the conunon pin-worm of the horse (Scler- 

 ostommn Equinum) which lives in piU-Hke masses of 

 dung, in little pouches and closed cysts of the mucous 



Eig. 26. Fig. 27. 



Fig. 27 — Trichocephalus Affinis, 



nat. sue. 



Fig. 28. 



i^g. 26 — Ascaris Megalacephala. Fig. 28 — Head of Tseniri Expansa. 



membrane of the large intestine and in dilatations of the 

 blood-vessels, especially the arteries of the bowels. This, 

 with two other common pin-worms of the horse (Scleros- 

 tomum Tetracanthum, Oxyuris Ourvula,) are each abonl 



