TY - BOOK AU - Mayr,Ernst ED - American Association for the Advancement of Science TI - The species problem : a symposium presented at the Atlanta Meeting of the American Association for the Advancement of Science, December 28-29, 1955 U1 - 576.86 23 PY - 1958/// CY - Washington, D.C. PB - The Association KW - Species KW - Congresses KW - Especies N1 - Includes bibliographical references; Species concepts and definitions / Ernst Mayr -- The species as a field for gene recombination / Hampton L. Carson -- The plant species in theory and practice / Verne Grant -- The species problem in freshwater animals / John Langdon Brooks -- The species problem with fossil animals / John Imbrie -- Breeding systems, reproductive methods, and species problems in protozoa / T.M. Sonneborn -- An embryologist's view of the species concept / John A. Moore -- The species problem from the viewpoint of a physiologist / C. Ladd Prosser -- Difficulties and importance of the biological species / Ernst Mayr ER -