MORROW — NOTES ON THE CARIBOO. 283 



which, passing between the two muscles, terminated in a species of 

 membranous sac. Consequently, the air driven from the lungs 

 through the cleft of the larynx fell by this aperture into the sac, and 

 necessarily caused a considerable swelling." 



On the 4th December, I succeeded in killing a large and old 

 buck Cariboo, some measurements of which were as follows : — 



Length from muzzle to back of horns 1 ft. 6 in. 



Back of horns to insertion of the tail ». 5 ft. 4 in. 



Length of tail, including hair 9 in. 



Height at shoulder 4 ft. 6 in. 



Length from lower lip to hair sac, and opening into 



the larynx 1 ft. 8 in. 



Length of liver 1 ft. 2 in. 



Depth of liver at widest part 7 in. 



Length of heart 9 in. 



Diameter of do 6 in. 



Lungs very large ^ I had no means in the woods of weighing 

 Trachea do., do., $ either heart or lungs. 



At this time I had not seen the account quoted from Camper? 

 and groping somewhat in the dark, my specimen is not so perfect as 

 it might otherwise have been. Examining the throat of the animals 

 the cist of Mr. Hutchins, " with an opening through the skin," 

 does not exist, but immediately under the skin there was a roundish 

 sub-triangular cyst or valve of cellular membrane " of the bigness 

 of a crown-piece," and on cutting through the cellular membrane 

 this valve is found to be a closed sac, with a peculiar lining mem- 

 brane, and closely packed with what may be called loose hairs of a 

 flaxen colour in a considerable quantity of sebaceous matter ; at the 

 same time, however, the lining membrane is covered with hair of 

 the same quality, apparently growing from, and rather lightly 

 attached to the lining membrane. Camper, in the account of his 

 dissection, just read, has described the valve, as if it were the sac, and 

 his drawing, a copy of which is before you, gives only the valve, as 

 may be seen by examining the larynx of the animal obtained by 

 me, or more conveniently the drawing of it, kindly made for this 



