HYDATIDS IN THE BRAIN. 331 



Treatment— Kt once plunge a dinner knife, well 

 sharpened, into the side, or at equal distance from the 

 haunch bone and short rib, on the left side of the animal. 

 Veterinary surgeons use a trocar for this purpose, and 

 every farmer should have one also. If the case be not a 

 severe one, it may be trusted to time, nature and medi- 

 cine. Give half a pound of table mustard, and an ounce 

 of the chloride of lime, mixed in as little cold water as 

 will float the mustard out of the bottle, and down the 

 throat of the animal. Or instead of the mustard and 

 lime, give one ounce of recently powdered carbonate of 

 ammonia in cold water. Dashing cold water over the 

 loins of the beast often cure the affection, by inducing 

 reflex action of the nervous centres of the body. Some- 

 times we see a chronic form of this complaint, occurring 

 at intervals, owing to a debilitated condition of the walls 

 of the rumen, and is cured by the following powder, 

 given morning and night in the feed :— Powdered ginger, 

 half an ounce; gentian, half an ounce; foenugreek, half 

 an ounce: mix, and give in one dose, and continue them 

 for a few days. 



Hydatids in the Brain.— This is a parasitic dis- 

 ease, — a worm found floating in a serous fluid, sur- 

 rounded by a sack or small bladder, and situated gen- 

 erally on one side of the brain, and under or near the 

 base of the horn. 



Cause. — This affection is caused by the animal eating 

 with the feed or grass, some of the ova or eggs which 

 have been dropped from dogs, affected with tape worms. 



SymiJtoms.—'Ih.Q affected beast will be observed in the 

 early season of the disease, to be affected in one of the 

 eyes, ending shortly in total blindness of that organ. 

 This, however, is not always the case. The great 



