Stebbins, G. Ledyard (George Ledyard) 1906-2000 Search this
Physical description:
xix, 643 pages illustrations, maps 24 cm
Type:
Books
Date:
1950
Contents:
Description and analysis of variation patterns -- Examples of variation patterns within species and genera -- The basis of individual variation -- Natural selection and variation in populations -- Genetic systems as factors in evolution -- Isolation and the origin of species -- Hybridization and its effects -- Polyploidy I: occurrence and nature of polyploid types -- Polyploidy II: geographic distribution and significance of polyploidy -- Apomixis in relation to variation and evolution -- Structural hybridity and the genetic system -- Evolutionary trends I: the karyotype -- Evolutionary trends II: External morphology -- Fossils, modern distribution patterns and rates of evolution