111 
be regarded as an epi-phenomenon. Added to this evidence 
: is the failure to demonstrate by any conceivable met the 
presence of any bacterium, mould, or protozoon, except a 
e. ; 
Experimentally it has been shown that larvae of 
: to that found under natural conditions. This fact, taken with 
| 
seen about many of the caseous areas to be found commonly 
in the internal organs of most herbiverous animals. 
The fact that, although the larvae die out soon after the 
first appearance of the lesion, the tumour goes on enlarging, 
| and may exist for some considerable time, 1s of extreme 
interest. 
Production. There is no increase in the number of foci as, 
for example, occurs in actinomycotic granulomata, except in 
the case of re-infection or super-infection. im 
g e growth of the tumour is due pun bs the jum 
he subst. i ioi in the degenerating or à - 
" ances which originate in g M A n Mis 
8 
E 
a. 
3 
a 
E 
a. 
8E 
"d 
3 
g 
$ 
e 
3 
È 
E 
E 
e 
$ 
a 
B 
of E 
larva. The continued presence and enlargement of the 
