16 ORGANIC BEHAVIOUR 
the antler of a stag as it grows beneath the soft, warm velvet. 
And thus are built up in the course of a few weeks those 
splendid “ beams,” with their “tynes” and “snags,” which, in 
the case of the wapiti, even in the confinement of our Zoological 
Fic. 4.—Wapiti with antlers in velvet. 
Gardens, may reach a weight of thirty-two pounds, and which, 
in the freedom of the Rocky Mountains, may reach such a size 
that a man may walk, without stooping, beneath the archway 
made by setting up upon their points the shed antlers. When 
the antler has reached its full size, a circular ridge makes its 
