Illustrations v 



Page 



Another view of the Cygnet showing the manhole 48 



Front view of the raft and kite 49 



Towing the kite, with Lieutenant Self ridge aboard 50 



All ready for the ascent 51 



Just before the ascent 52 



Kite with man aboard, flying at a height of 168 feet 52 



Changes in the estuary of the Colorado river 54 



Captain Roald Amundsen 56 



Cooking vessel of the Eskimo 59 



Eskimo toys 59 



Eskimo means of making fire 60 



Eskimo encampment 61 



Eskimo cooking pot 66 



Monument in memory of Sir John Franklin 67 



Eskimo 67 



The head of an Eskimo fishing spear 69 



F^skimo hunter 70 



Eskimo 7 t 



Coal floating down the Ohio river 73 



Glaciers 77 



Four common seed-eating birds 80 



Sparrow hawk 8 1 



A useful bird of prey 82 



Cactus wren 83 



Golden eagle 84 



A barred owl Fo 



A monument to the industry of barn owls 86 



Pellets thrown up by owls 87 



Three-toed woodpecker 88 



Clark crow 89 



Sage hen 90 



Ring-tailed civet cat 92 



Texas wild cat 93 



Not dead, but playing possum 94 



Common skunk wading through slush 95 



Gray fox 96 



Coyote pups 97 



Typical breeding grounds of coyotes 97 



A mute witness to the destructiveness of Michigan wolves 98 



Apple tree killed by rabbits 99 



Apple tree killed by field mice • 99 



Prairie dogs at mouth of burrow 100 



Very young cottontail rabbits in nest 101 



Field mouse 102 



Sections of morning glory roots stored by field mouse 103 



Shelter house on fox farm in Maine 104 



Aspen being felled by beaver — note size of chips 105 



Beaver dam from below — note storage pond above dam 105 



Hudson bay sable 106 



Orange groves of southern California 107 



Elk in deep snow 109 



Buffalo in Yellowstone Park 110 



Twin black bear cubs 111 



