TY - BOOK AU - Endler, John A. TI - Natural selection in the wild T2 - (Monographs in population biology U1 - 575.016 20 PY - 1986/// CY - Princeton PB - Princeton University Press N2 - Discusses the methods and problems involved in the demonstration and measurement of natural selection. This work presents the critical evidence for its existence, and places it in an evolutionary perspective. It argues that natural selection can explain the change of frequencies of variants, but not their origins ER -