Hen's Teeth and Horse's Toes (1983) is Stephen Jay Gould's third volume of collected essays reprinted from his monthly columns for Natural History magazine titled "This View of Life".

[1] Three essays appeared elsewhere.

"Evolution as Fact and Theory" first appeared in Discover magazine in May 1981; "Phyletic size decrease in Hershey bars" appeared in C. J. Rubins's Junk Food, 1980; and his "Reply to Critics", was written specifically for this volume as a commentary upon criticism of essay 16, "The Piltdown Conspiracy".

[citation needed] The book was awarded the 1983 Phi Beta Kappa Award for Science from the Phi Beta Kappa Society.