The book is available at Hathi Trust and Project Gutenberg (I have not checked for other online sources).
Table of Contents
I How Old King Eagle Won His White Head
II How Old Mr. Mink Taught Himself to Swim
III How Old Mr. Toad Learned to Sing
IV How Old Mr. Crow Lost His Double Tongue
V How Howler the Wolf Got His Name
VI How Old Mr. Squirrel Became Thrifty
VII How Lightfoot the Deer Learned to Jump
VIII How Mr. Flying Squirrel Almost Got Wings
IX How Mr. Weasel Was Made an Outcast
X How the Eyes of Old Mr. Owl Became Fixed
XI How It Happens Johnny Chuck Sleeps All Winter
XII How Old Mr. Otter Learned to Slide
XIII How Drummer the Woodpecker Came by His Red Cap
XIV How Old Mr. Tree Toad Found Out How To Climb
XV How Old Mr. Heron Learned Patience
XVI How Tufty the Lynx Happens to Have a Stump of a Tail