vi PEEFACE 



cannot be obtained from the use of such a serum. 

 In veterinary practice this disadvantage need not 

 arise. In dealing with the serum and vaccine treat- 

 ment of the various diseases, I have only described 

 the methods which come within the limits of practical 

 application and from which best results are obtained. 

 I trust this small work may be of some use to the 

 veterinary practitioner in his daily conflict with the 

 diseases of our domestic animals, and that it may be 

 the means of stimulating a wider and more extensive 

 application of modern biologies in veterinary medicine 

 than at present exists in the British Isles. Should it 

 do so, my object in its production will be attained. 



L. C. MAGUIRE. 

 Barrow Elm House, 

 Fairford, 



Gloucestershire. 

 July 21, 1922. 



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