384 DISEASES OF HORSES AND CATTLE. 



tions of warm water, then inject either of the 

 above. If this docs not remove them repeat in a 

 few days. If these worms should be in the colon 

 the same remedies recommended for round worms 

 should be tried. 



Spiroptera Megastoma. — This worm sometimes 

 found in the horse is described by Verrill 

 as a small species of worm which lives in 

 the stomach and oesophagus. It tapers a little 

 toward each end, the head is separated by a 

 slight constriction and bears four lobes, the 

 mouth is large. The male becomes rather more 

 than a quarter of an inch long, and the fe- 

 male nearly half an inch long. This worm some- 

 times produces tubercles or hard tumors of con- 

 siderable size, most frequently situated near the 

 pylorus. These contain many cavities connected 

 together and filled with purulent matter in which 

 there are numerous specimens of the parasite. The 

 tumors are sometimes one and one-half inches in 

 diameter, and there are at times several in the 

 same stomach. There is no special symptom by 

 which we can ascertain if these worms are pres- 

 ent. I have found several cases on post mortem. 



The Stomach Fluke of Cattle (Amphistoma 

 conicum and A. crumeniferum). — These flukes 

 are found in the stomach of cattle. They are 

 short, thick and somewhat flat, the mouth and 

 sucker being at the small end; the other end 

 is rounded and bears the other sucker which 

 is alwa} T s larger near the posterior end. T5it 

 eggs also produce ciliated embryos in water, 



