Bull. U. S. B. F. 191: 



Plate LXIX. 







HiG. 36. — High power section of the early stages of the disease showing formation of new foUicles by budding of the 

 alveoli with subsequent splitting off. Note karyokinetic figures. X200. 



pif^ 37 — Cross section of the lower jaw showing growth infiltrating the surrounding structures. XIOK. 



