JIORNS, PJiONGS, AND ANTLERS 299 



if they are slied every year, some pairs are so much 

 bigger than others. I always used to think that tlie 

 antlers staid on, and grew bigger and bigger every 

 year." 



'^ You've caught me there," said Nez. " 1 know the 

 game I've shot and how 1 got it, and that Deer do shed 

 their horns ; but you'll hev to ask the Doctor all those 

 reasons why." 



" This is as good a time as any to make a procession 

 of horns, prongs, and antlers, and look at them care- 

 fully as they go by," said Dr. Roy. "Olive, please 

 take out the pictures of heads, horns, and antlers ; also 

 the drawings of the Moose and the American Deer, and 

 the group of the Elks chased by the Cougar, that Ave 

 had several weeks ago, and also the Caribou picture 

 that we had last ]iight. 



''You remember tliat the first division of the meat 

 family wore hollow horns like a cow's, which Avere 

 made of liairy fibre and grew around a solid core, and 

 that, though they Avere of many sizes and curved in 

 different Ava3'S, they Avere never branched or divided. 

 Nat, can you tell me the names of our four Avearers of 

 horns, Avithout looking at the pictures ? " 



" Yes, I remember them all, — the liison. Bighorn, 

 Mountain Goat, and the Musk Ox." 



" Now, Dodo, do you remember the one Avhich, though 

 it belonged Avitli the Deer to the second division of the 

 meat famil}^ had pronged, hollow horns, and shed them 

 every year ? " 



" Oh, yes ; the one that you stepped on when you 

 Avent from one part of the family to the other — step- 

 ping-stone you called it; Antelope or Pronghorn is its 



