Darwin, Charles On the origin of species by means of natural selection or the presevation of favoured races in the struggle for life - London Dover 2006 - xiv, 321 ; 20 cm Include indexes ISBN: 9780486450063 (pbk) Subjects--Topical Terms: Natural selection--Morphology--Hybridism--Evolution--Variation--FSSH Dewey Class. No.: 576.82 / DAR