48 HORSE-MASTERSHIP 



the Trypanosoma Brucei and Lewisi — on view 

 and in fighting trim, I shall say more about 

 them. When you see, for instance, the ap- 

 palling battle which goes on in the blood 

 between the trypanosomes and the white 

 corpuscles in the blood of rats dying of 

 sleeping sickness, you will, I feel sure, 

 resolve, if you go on active service, to take 

 every possible precaution to protect yourself 

 and your horse, as far as possible, from 

 the attentions of ticks and tsetse flies, and 

 even from horse-flies. This is an extremely 

 difficult problem, but you can do something 

 with a " fly-flicker," always handy and in use ; 

 and no one should ever travel without a 

 bottle of disinfectant with which to wash 

 off ticks as soon as they are seen on a 

 horse's flanks. When washed with dis- 

 infectants they at once drop ofl". If pulled 

 off, their nippers are sure to remain in the 

 tissues, and cause a small open sore, which 

 sometimes is the starting-point for the 

 inoculation of another disease. I should 

 like, too, to get reports from any of you 



