152 
J. H. ADAMSON. 
glands enlarged and vascular. In “dumb madness” the con¬ 
gestions of the upper part of the respiratory tract are developed 
to a greater degree than in any other form of this disease.” 
Remarks :—John Hunter says: “Individual susceptibility 
must be taken into account, as it is undeniable that many per¬ 
sons in whom the virus of rabies has been inoculated, escape 
hydrophobia. One instance that came under my notice, in which 
- twenty-one persons were bitten by a rabid dog (proven so, be¬ 
yond doubt) and only one died subsequently from hydrophobia, 
and comparisons by authentic authorities go to show that not 
one-third of those persons bitten by rabid animals die of rabies 
A person bitten through his clothing is comparatively safe; 
only one per cent, die of rabies. 
“ It is supposed by some that the bite of an angry dog may 
produce rabies, and all the more so, if the animal should de¬ 
velop hydrophobia years after. The non-rabid animal, however 
enraged, cannot give rise to hydrophobia by his bite. Many 
persons die from mental derangement (delirium) produced by 
the fear of the consequences following a bite.” 
Treviranus found that all saliva reddened by the addition of 
sesquichlorid of iron; Leopoldi Gmelin discovered that this was 
caused by a sulpho-cyanate which is present in saliva. Poison¬ 
ing from cyanic acid resembles slightly the latter stages of 
rabies. 
The following paragraph appeared in the London Herald of 
Health , 1894: “It has been stated in this journal on previous 
occasions that the virus of rabies can be removed from perspir¬ 
ing animals by means of vapor baths. In non-perspiring ani¬ 
mals, such as the dog, wolf, cat, and other flesh-eating animals, 
it is considered to be invariably fatal in its effects. Such animals 
should not be kept in captivity, unless kept hygienically clean, 
otherwise they are dangerous amidst human life. Any poison 
or virus that enters the body permeates the whole system. The 
pores of the skin allow much of its escape. In the non-perspir¬ 
ing animals this cannot occur, hence great muscular action, 
during rabies, in the dog. Dr. Buisson, Paris, France, was in- 
