8vo. Text illustrations (dampstaining to fore-margin of a few leaves, some spotting). Original green cloth, gilt spine (tightened in binding, hinges starting, some minor soiling); cloth slipcase. Provenance: Richard Blanc (signature dated May 1947). 

 

FIRST EDITION of “Bateson’s major scientific work before his rediscovery of Mendel’s laws. Like many other scientists during the last decades of the nineteenth century, Bateson rejected the orthodox Darwinian doctrine of natural selection… Bateson laid great emphasis on the importance of major or discontinuous variation as the source of evolutionary change” (Norman 134). Garrison-Morton 237.