ILLUSTP?ATT()NS. 



Plat?;s. 



TUK MAMMALS. 



Pi.ATR I. I>ife zone section of slo]3e in Glacier Park 24 



1 1. liufl'alo ball on Flathead Bison Range near Dixon, Mont I'o 



ITI. Fig. 1.— A band of old rams in Yellowstone Park. Fig. 2. — Moun- 

 tain sheep just below timberline in Glacier Park 28 



IV. Fig. 1. — A bunch of mountain goats in Alpine meadow. Fig. 2. — 



Mountain goat in Bronx Park 29 



V. Fig. 1. — A family of goats on their way down the mountain side. 



Fig. 2. — The same family of goats feeding in an Alpine meadow ?.0 



VI. Fig. 1. — Mule deer buck in short summer red coat. Fig. 2. — Mule 



deer in -ivinter 34 



VII. Fig. 1. — Wliite-tail deer in summer red coats. Fig. 2. — Wliite-tail 



doe in long gray winter coat ?>5 



VIII. Fig. 1. — Mantled ground squirrel in upright position. Fig. 2. — 



Mantled ground squirrels feeding on scattered oats 44 



IX. Fig. 1. — Burrow of Columbia ground s([uirrel. Fig. 2. — (Jolumliia 



ground squirrel and burrow 45 



X. Fig. 1. — Richardson ground squirrel. Fig. 2. — Pale tliirteen-lined 



ground squirrel 50 



XI. Fig. 1. — Hoary marmot at Lake Ellen Wilson. Fig. 2. — Hoary mar- 

 mot in Gunsight Pass 52 



XII. Fig. 1. — Bushy-tailed woodrat at entrance of cave. Fig. 2. — Bushy- 

 tailed woodrat and Ijuilding material 53 



XIII. Fig. 1. — Beaver house on bank of Belly River. Fig. 2. — Beaver in 



National Zoological Park 64 



XIV. Fig. 1. — Porcupine retreating down trail. Fig. 2. — Porcupine com- 



ing up trail 68 



XV. Fig. 1. — Mountain lions in top of yellow-pine tree. Fig. 2. — The 



same lions in another position 80 



XVI. Fig. 1.— Canada lynx. Fig. 2.— Bobcat 81 



XVII. Fig. 1. — Coyote in National Zoological Park. Fig. 2. — Wolves in 



National Zoological Park 82 



XVIII. Fig. 1. — Fisher in captivity. Fig. 2.— Otters in captivity 86 



XIX. Black bears at garbage pile 94 



XX. Fig. 1.— Ground where bears have dug up bulbs. Fig. 2.— Burrow 



of ground squirrel dug out by bear 95 



XXI. Grizzly bears in Yellowstone Park 96 



THE BIRDS. 



XXII. Eared grebe 112 



XXIII. Loons 113 



XXIV. Mallards 118 



XXV. Shovellers 119 



XXVI. Sora rails 130 



XXVII. Ruffed grouse 136 



XXVIII. Marsh hawks 146 



n 



