Dobhanzky's own Jesup lectures in 1936 which resulted in his book Genetics and the Origin of Species, published in 1937. Edgar Anderson did not publish his talks from the 1941 Jesup lectures with Mayr. In December 2004 the National Academy of Sciences held a colloquium in honour of Mayr's 100th birthday at the Arnold and Mabel Beckman Center of the National Academies of Science and Engineering in Irvine, California. Systematics and the Origin of Species: On Ernst Mayr's 100th Anniversary was published by National Academies Press in 2005 in commemoration of this event. The lectures published in this collection explore the main topics discussed in Ernst Mayr's Systematics and the Origin of Species from the Viewpoint of a Zoologist. These topics include reproductive isolation, the modern species concept, genomics, and other related subjects within evolutionary biology. Contents The Methods and Principles of Systematics Taxonomic Characters and Their Variation Phenomena of Geographic Variation Some Aspects of Geographic Variation The Systematic Categories and the New Species Concept The Polytypic Species, in Nature and in Systematics The Species in Evolution Nongeographic Speciation The Biology of Speciation The Higher Categories and Evolution References Books about evolution 1942 non-fiction books Modern synthesis (20th century)