Part 17

Pipestone Creek, 11.

Place-names taken from the beaver, 42, 43.

Play, 29, 156, 157.

Ponds, early abundance, 42; size, 65, 86; uses, 68, 69; chains or clusters of, 74; depth, 107; canals in bottom, 107; spring-filled, 113, 114; lowering the level under ice, 202, 203; draining, 208, 209; effect on stream-flow, 213-217; leaky reservoirs, 216.

Population, changes in, 46, 47.

Protection, 50, 217, 220, 221.

Reason, evidences of, 57, 58.

Romanes, George J., on the beaver, 58, 59.

Sanitation, 208.

Sawtooth Mountains, 66.

Sediment, a problem of beaver life, 125, 126.

Sheep, mountain, 192.

Size, 7.

Skins, 43, 44, 48, 49.

Sleep, 122.

Slides, 87, 112, 199.

Smell, sense of, 7.

Snake River, 25.

Soil, the beaver's conservation of, 214, 217-220.

Sounds and silence, 19, 20, 23, 26, 27, 133, 134.

Springs, use of, 204.

Spruce Tree Colony, harvest time with, 83-98; tunnels in, 113-115.

Stream-flow, effect of beaver on, 72-74, 213-217.

Strength, 9.

Subways. See Tunnels.

Swimming, method of, 6.

Tail, uses of, 5, 6, 11; form and covering, 8; signalling with, 24, 31, 96; fabulous accounts of the uses of, 53.

Teeth, 7-9.