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in vapor has an odor of garlic,” also, that arseniuretted hydrogen 
has an odor of garlic. 
Autenreith says (21) : “B. Gosio was the first to show that 
certain molds, grown upon media containing minute quantities 
of arsenic, produce volatile arsenic compounds characterized by a 
garlic-like odor.” 
Georges Brouardel says (22) : “Certain authors have noted a 
particular alliaceous odor of the urine” (in arsenical poisoning). 
Dr. Eugen Frohner (23), in giving an account of a case of 
15 horses poisoned by arsenic, says the feces had a plain garlicky 
odor. 
So, also, Moussu (24) says that in arsenical poisoning the 
contents of the stomach exhales an odor resembling garlic. 
The garlicky breath and the similar odor exhaled by the or¬ 
gans and intestinal contents of the animals in the Deer Lodge 
Valley must, therefore, be accepted as a sign of arsenical poison¬ 
ing, and it seemed to be more marked there than in poisoning 
from arsenious acid elsewhere, probably on account of the form 
in which the arsenic existed as it came from the hot furnaces or 
its combination with the sulphurous acid of the smoke. 
Another symptom which appeared to have some relation to 
the quantity of smoke dust ingested was the gum line which has 
been mentioned by several veterinarians who have described the 
condition of the animals in the smoke district. This consisted 
of a band of tissue at the base of both the upper and lower incisor 
teeth, slightly raised and of a red or purplish color, % to 3/i6ths 
of an inch in breadth. It appeared to be due entirely to conges¬ 
tion, for it disappeared completely soon after the death of the 
animals which were well bled at the time of killing. 
The heart action of many of the animals was weak and the 
pulse almost imperceptible. 
Occasionally, animals would be seen with marked disturbance 
of the respiration, partial paralysis of the diaphragm and marked 
costal breathing, together with labored heart action and tense ar¬ 
teries. • ur ' 
The fact that a “gum line” (25) and, also, paralysis of the 
