416 APPENDIX. 
it collects on the outside of the skin in the form of very small scales, such as 
would be left by minute portions of varnish. Although Mr. Morrow did not 
see the animal use this so called “ gland,” yet his Indian hunter saw a doe 
Caribou use it in this way: when she had finished urinating (she squats 
in the act almost exactly like a sheep) she rubbed these glands together, 
leaving true scent behind her-for a short distance. When creeping moose 
or Caribou, this scent floating in the air had often been with him a sub- 
ject of inquiry, and he had very little doubt but that this was at least one 
way in which these glands are used, and in confirmation he mentioned that 
the dogs, at one time openly used for hunting moose, did not often take the 
scent of that animal from the snow, but by standing upon their hind legs as 
if it had been rubbed from glands as described. The point was merely men- 
tioned in the hope that some gentleman present would be able to throw some 
light upon it, or keep it in mind when an opportunity offered for observation, 
confirmatory or otherwise. 
A little further down the leg, on the outside at the hair parting, he showed 
the ‘‘ metatarsal gland,’’ which had been looked for during a long period by 
Dr. Gilpin, Mr. T. J. Egan, and himself in answer to an inquiry from the Hon- 
orable Judge Caton. This was the first they had ever seen. and may probably 
be taken as a mark of adult age. It was afterwards found in the old doe, but 
not so perfectly marked, possibly because the doe was killed in February, the 
buck in December. 
Attention was also drawn to the tubes in the feet of the Caribou, which first 
attracted the notice of Dr. Gilpin from inquiries made by Judge Caton. Dr. 
Gilpin as well as others thought that they were only to be found in the hind 
feet, and the discovery of them in the fore feet of the Caribou is due entirely 
to Dr. Sommers. 
Camper says, speaking of these tubes: “In addition to the peculiarities of 
the reindeer of which I have just spoken, I have discovered besides something 
very singular in the hind feet of this animal, that is to say, a deep sheath be- 
tween the skin at the place where the dew-claws are united together, of the 
size of the barrel of a quill, running deeply as far as the point where the dew- 
‘claws are articulated with the bone of the metatarsus. These sheaths were 
filled internally with long hairs, and a yellow oleaginous matter proceeded 
from them, the odor of which was not very agreeable. I have not found these 
sheaths in the fore feet. It was not possible for me to discover the use of 
them, inasmuch as the heat of the summer obliged me to remove the flesh from 
the skeleton.” And further on he says that in another reindeer he found no 
tube in the hind foot, but one very apparent in the fore foot, and again, he 
found tubes in the hind feet, but none in the fore feet. “So that I am not able 
to determine anything very exactly on this subject.’’ 
In the skin of one of the hind legs of the old buck, the bones of which had 
been removed for the purpose, the tube was shown (the tube of the other foot 
had been used in experiments), and also a number of other specimens of tubes 
from the Caribou, one from the Virginia deer, and the hind foot of a moose, con- 
taining a tube. In the skin of the fore feet of the old buck Caribou, also exhib- 
ited, there was no appearance of the tubes, they had been absorbed. By many, 
Mr. Morrow said, these tubes were considered to be scent “glands.” Camper 
evidently did not think them so, although he mentions that the skin of the 
hind as well as the fore feet ‘‘ were sprinkled with glandules which probably 
