Dientes de Gallina y Dedos de Caballo

Resumen

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