Reactions to On the Origin of Species stage where he was able to turn his attention fully to "Species", and from this point he was working to publish his theory. On 18 June 1858 he received a parcel from Alfred Russel Wallace enclosing about twenty pages describing an evolutionary mechanism that was similar to Darwin's own theory. Darwin put matters in the hands of his friends Lyell and Hooker, who agreed on a joint presentation to the Linnean Society on 1 July 1858. Their papers were entitled, collectively, "On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means
Systematics and the Origin of Species important and useful idea in biology, particularly for animal speciation. In December 2004 the National Academy of Sciences held a colloquium in honour of Mayr's 100th birthday. "Systematics and the Origin of Species: On Ernst Mayr's 100th Anniversary" was also published in commemoration. Systematics and the Origin of Species Systematics and the Origin of Species from the Viewpoint of a Zoologist is a book written by zoologist and evolutionary biologist Ernst Mayr, first published in 1942 by Columbia University Press. The book became one of the canonical publications on the modern synthesis. Based on Mayr's Jesup Lectures delivered at Columbia