Thanks are due to the following authors and publishers for permission to use the stories contained in this book:

Harper and Brothers and Mrs. Mary E. Wilkins Freeman for The Cat, from Understudies (copyright 1901 by Harper and Brothers).

Houghton Mifflin Co., for Zut, from Zut and Other Parisians (copyright 1903 by Guy Wetmore Carryl).

E. P. Dutton and Co., for A Psychical Invasion, from John Silence.

Doubleday, Page and Co., and Booth Tarkington for Gipsy, from Penrod and Sam (copyright 1916 by Doubleday, Page and Co.).

Harper and Brothers and the Mark Twain Estate for Dick Baker's Cat, from Roughing It (copyright 1871-1899 by the American Publishing Co.; copyright 1899 by Samuel L. Clemens; copyright 1913 by Clara Gabrilowitsch).

Harper and Brothers for Madame Jolicoeur's Cat, from From the South of France (copyright 1912 by Harper and Brothers).

George H. Doran Co., for A Friendly Rat, from The Book of a Naturalist (copyright 1919 by the George H. Doran Co.).

The Four Seas Co., and Peggy Bacon for The Queen's Cat, from The True Philosopher (copyright 1919 by the Four Seas Co.).

Houghton Mifflin Co., for Calvin, from My Summer in a Garden (copyright 1870 by Fields, Osgood and Co.; copyright 1898 by Charles Dudley Warner; copyright 1912 by Susan Lee Warner).