444] 



Index 



Eggs 



ants, 254 



birds, 44-46 



butterflies, 240 



cowbirds, 59 



earthworms, 287 



flies, 266 



frogs, 222 



mosquitoes, 268 



ostriches, 77 



penguins, 78 



robins, 52 



toads, 228 

 Elephants, 119-121 

 Elm trees, 352-354 

 Evergreen trees, 364-371 

 Eyes 



of birds, 29, 30 



of cats, 147 



of chameleons, 2J 8 



of dogs, 139 



offish, 169 



of insects, 236 



of owls, 62 



of snakes, 197 



of whirligigs,, 270 



FEATHERS OF BIRDS, 25-27 

 Feeders for birds, 37 



hummingbird, 57 

 Feeding birds 



baby birds, 47 



hummingbirds, 57 



in winter, 37-39 



orphans, 65 



robins, 52 

 feet of birds, 28, 29 

 Fern prints 



how to make, 337 



made by nature, 338 

 Ferns, 336 

 "Fiddle heads," 336 

 Fighting among mammals, 93, 94 

 Fins, 166 

 Fir trees, 364 

 Fireballs, 421 

 Firefly, 250 

 Fish, study of, 164 

 Fish hatcheries, 176 

 Fish scales, 170 

 Fish ing for fun, 173 

 Fishing for observation, 175 

 Flies, 266-268 

 Flight process of birds, 30-32 



hummingbirds, 57 

 Flowering trees, 372, 373 

 Flowers, study of, 292 



Flying fish, 180 

 Flying hours of birds, 34 

 Flying saucers, 421 

 Flying spiders, 283 

 Fog, 435 



Food. See individual animals, 

 birds, 38 

 frogs, 231 

 mammals 

 apes, 118 

 bears, 112 

 elephants, 120 

 in wintertime, 96, 97 

 mice, 101 

 monkeys, 117 

 rabbits, 99 

 raccoons, 108 

 squirrels, 98 

 tigers, 123 

 praying mantis, 278 

 snakes, 211 

 turtles, 215 

 water insects, 274 

 whales, 186 

 Foxes, 112 

 Frogs, 222-225 

 as pets, 230 

 Fronds, 337 

 Frost, 429 

 Fruit, 296 



GALAXIES, 382 



Gall insect, 274 



Garden for the child, 299 



flowers, 300 



indoors, 309-312 



trees, 378 



vegetables, 312-316 

 Garter snake, 207 

 Geese, 72-74 

 Gemini, 416 

 Geraniums, 303 

 German shepherd, 144 

 Gills of fish, 165 

 Ginkgo trees, 364 

 Giraffes, 124 

 Goats, 159, 160 

 Goldenrod, 328 

 Goldfinches, 40, 56 

 Goldfish, 164-172 

 Gophers, 107 

 Gorillas, 118 

 Grasshoppers, 257, 258 

 Great Bear constellation, 411 

 Guinea pigs, 110 

 Gulls, 65 



