10 



THE INTERNAL PARASITES OP 



CHAPTER II. 



Prevalence of False Views regarding the "Kot 

 Disease " — The Lancet-shaped Fluke — A Good 

 Type op the Trematode Family — Has been known 

 to prove Fatal to the Human Bearer — The 

 Smallest Flukes may produce Disease — Elephants 

 Die prom Eot — The Cone-shaped Fluke — Develop- 

 ment op the Amphistomes — How Cattle become 

 Infested — Practical Considerations — Undue Neglect 

 of this Study on the part of Veterinarians — 

 Amphistomes infest Euminants generally. 



As already intimated,, I shall have occasion to return to 

 the subject of the ravages produced by this entozoon 

 when I come to speak of the parasites in sheep. I may 

 add, however, that, notwithstanding the clear advances 

 we have made towards an accurate knowledge of the 

 origin, nature, and cause of the fluke disorder, it must be 

 admitted that a great deal remains to be done, whilst it 

 must also be said that very unscientific opinions still pre- 

 vail throughout the country respecting it. The votaries 

 of experimental research know, by painful experience, 

 how often preconceived notions of the most hollow kind 

 are preferred to healthy deductions based on scientific 

 evidence. It sometimes requires months of precious time 

 spent in research to acquire possession of a single new 



