90 
cutis vera the eosinophilic infiltration is seen to be very 
marked i i 
areas, consisting of embryonic connective tissue cells with 
some mononuclear leucocytes, but with few or no eosinophiles, 
are seen. | 
The caseous areas vary slightly in size; they have well- 
á x ssue 
defined margins acid stains intensely. 
capsule. The nuclei of the cells within the areas show some 
pyknosis, and the chromatim remains for some considerable 
time. The protoplasm of the cells is apparently Ie 
the 1in- 
All tissues are included in this necrosis, and 
distinct forms of blood vessels and connective tissue strands 
can be detected. In some of the areas a calcerous deposit 
may be seen. More or less in the centre of the necrotic areas 
are seen either circular or ovoid spaces containing débris and 
aces at one time 
appropriately be termed ‘‘worm canals." Larvae or débris 
the necrotic foci containing the larvae or to the complete 
disintegration of larvae or débris. ` 
sur- 
I urved. 
n other parts of the section the worm is found d 
by only a small necrotic area. Often oblique 4” 
