Although practically all the Nature Books of recent years have been carefully studied in order to gather material for this volume, the author desires to make grateful acknowledgment of her indebtedness to the following works, which have proved particularly helpful and suggestive:

• John Burroughs:
  • Squirrels and Other Fur-Bearers.
  • “Real and Sham Natural History,” Atlantic Monthly, March, 1903.
• William Davenport Hulbert:
  • Forest Neighbours.
• Ernest Ingersoll:
  • Wild Life of Orchard and Field.
• William J. Long:
  • A Little Brother to the Bear.
  • Beasts of the Field.
  • Ways of Wood Folk.
  • Wood Folk at School.
  • Secrets of the Woods.
  • Wilderness Ways.
  • “The Modern School of Nature Study and its Critics,” North American Review, May, 1903.
• Charles G. D. Roberts:
  • The Heart of the Ancient Wood.
  • The Kindred of the Wild.
• Ernest Thompson-Seton:
  • Wild Animals I Have Known.
  • Lives of the Hunted.
• Mason A. Walton:
  • A Hermit’s Wild Friends.