Table of Contents xni 



Page 



The Water Snake ... .206 



The Turtle .208 



I' Mammal Study 



The Cotton-tail Rabbit . . 213 



TheMuskrat . . 218 



The House Mouse .. .224 



The Woodchuck . 229 



The Red Squirrel or Chickaree . . .233 



Furry .238 



The Chipmunk . 240 



The Little Brown Bat ^43 



The Skunk ^47 



The Raccoon. . .250 



The Wolf.. 255 



The Fox. . . 257 



Dogs .261 



The Cat 268 



The Goat . . 275 



The Sheep . . .281 



The Horse . . 286 



Cattle .295 



The Pig . . . 303 



VI Insect Study 



The Life History of Insects . . 308 



The Structure of Insects .. 312 



The Black Swallow-tail Butterfly . . 315 



The Monarch Butterfly ... 320 



The Isabella Tiger Moth or Woolly Bear . . . 326 



The Cecropia . 330 



The Promethea . 336 



The Hummingbird, or Sphinx, Moths . . 340 



The Codling Moth - - 347 



Leaf-minerb 352 



The Leaf-rollers . . 357 



The Gall-dwellers 360 



The Grasshopper . . 365 



The Katydid . 370 



The Black Cricket . . . 373 



The Snowy Tree-cricket 377 



The Cockroach .378 



How to Make an Aquarium for Insects ... 380 



The Dragon-flies and Damsel-flies 382 



The Caddis- worms and the Caddis-flies ... 387 



The Aphids or Plant Lice ... 392 



The Ant-lion 395 



Mother Lace-wing and the Aphis-lion 397 



The Mosquito 400 



The House-fly ... 405 



The Colorado Potato-beetle .... 409 



