112 Veterinary Medicine. 



come from the nose in the stream of liquid. The wound heals 

 very promptly. In the absence of a trephine use a gimlet. 



Prevention. Some turn up a furrow in the pasturage, in which 

 the sheep may burrow their noses and evade the fly, others lay 

 down quicklime in covered boxes which has the further advant- 

 age of inducing sneezing and favoring expulsion of the entering 

 parasites. But perhaps the best plan is to procure a log and bore 

 a number of holes in it with a two inch augnr ; place salt in the 

 holes and smear their margins with tar, and renew it often. The 

 sheep then takes a protective dressing with every lick of salt. 



CEstrus Purpureas (Brauer)isa species which infest the nose, 

 etc., of the Syrian sheep, and Cephalemia Maculata (Wedl) 

 one which infests the nasal chambers of the Egyptian buffalo and 

 camel. 



