436 FOOT AND MOUTH DISEASE 
misshapen feet, laminitis, open joints and even necrosis of the pedal 
bone and sloughing off of the hoofs are some of the sequele. Diges- 
Fic. 96. MICRO-PHOTOGRAPH OF SECTION SHOWING FORMATION OF APHTHA (ULCER). 
THE CENTRAL LIGHTER STAINING PORTION SHOWS LIQUEFACTION NECROSIS WITH 
LEUCOCYTIC INFILTRATION DIRECTLY BENEATH. THE UPPER DARKER STAINED 
PORTION IS THE LAYER OF HORNY EPITHELIUM. (Zschokke). 
Fic. 97. MICRO-PHOTOGRAPH SHOWING FORMATION OF APHTHA (ULCER) ON FOOT. 
(Zscholcke.) 
