INDEX 
187 
Page 
Tropical American foods- ______ _ _____ 119 
Tropical plants, as food 83 
Trout, salt-water. 144 
Trunk fish— ____________ 49 
Turtles, for food and drink. 16 
Two-stick fire drill for fire by friction 68 
U 
Urination, painfuL S 
.v 
Vegetables, edible 83 
Venomous fish 49 
Vines, source of water. 61 
W 
Walrus, how to hunt and kill 148 
Warty lump fish 50 
Wasps 74 
Water, drinking: 
at sea______ 9 
from dew_ 69 
from fish 11 
from plants 33, 59 
in the Arctic ^ 9, 141 
in the desert.___ 170 
on islands 32 
polluted, purification of 59, 171 
rain water___ 9,32 
salt, dangers of 10 
Water chestnut- 108 
Water hyacinth.... 107 
Water lilies— _____ 107 
Water vine. 61 
Weasels. 145 
Weeds, pokeweed and purslane. 33, 91, 103 
WeEs, dangers of digging too deep 32, 33 
Wells, tools for digging. 32 
Whitefish— _ 144 
Wild apples. 116 
Willow leaves and roots 134, 155 
W ind and currents - 18, 30 
Wolves 145 
Woods, getting out of— 61 
Wood ticks, how to remove 73 
Wooly lousewort 157 
Wounds, disinfection of— —————— — 52 
Y 
Yarns.— ___ — — — — 100 
Z 
Zebra fish— _______________ 50 
U. S. GOVERNMENT PRINTING OFFICE: J944 
