SCKOFULOUS CHANGES. 



73 



no recognised cause of the disease. It occurs most readily 

 from 2 to 5 or 6 years of age, and affects steers in preference 



Fig. 36. 



to bulls, the lower jaw is most frequently seized in the vicinity 

 of the second and third molar teeth. (See Fig. 37.) 



Fig. 37. 



