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3 The New York Years (1931–1953)

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A Modern Unified <strong>The</strong>ory of Evolution 193<br />

will be the subject of this year’s lectures, which will be given Tuesday and Thursday<br />

each week from March 4 to March 27 in Schermerhorn Hall […].”<br />

<strong>The</strong> invitation card distributed by the Department of Zoology (Columbia University)<br />

mentioned eight lectures on “Systematics and the Origin of Species” to be<br />

given on 4, 6, 11, 13, 18, 20, 25, and 27 March, four by E. Anderson and four by<br />

E. Mayr in Room 601 at Schermerhorn Hall, Columbia University, at five o’clock.<br />

<strong>The</strong> card summarized the contents of the lectures as follows:<br />

Professor Anderson will discuss: Taxonomy the art versus taxonomy the science.<br />

<strong>The</strong> effect of taxonomy the art on taxonomy the science. <strong>The</strong> nature of taxonomic<br />

work and its efficiency as a scientific technique. Species as a phylogenetic unit. Genetical<br />

and biochemical evidence for species. <strong>The</strong> morphological nature of species<br />

differences. Regional variations in speciation. Internal variations in speciation.<br />

Phylogenetic patterns. <strong>The</strong> facts of genetics with regard to species hybrids. <strong>The</strong><br />

taxonomic consequences of hybridization. <strong>The</strong> genetics of species hybrids.<br />

Dr. Mayr will discuss: Principles and methods of systematics. <strong>The</strong> old and the<br />

new systematics. Systematics and genetics. Individual and geographical variation.<br />

Taxonomic characters and their variation. What is a species and how does it<br />

originate? <strong>The</strong> biology (ecology) of speciation. <strong>The</strong> higher categories and the rules<br />

of classification.<br />

Mayr proposed: “I have now arranged my lecture number 1 definitely in such<br />

a manner that it can only follow your lecture number 1. In other words, I am<br />

scheduled for March 6th and you for March 4th, I hope that this will be in line with<br />

your plans. As far as the six other lectures are concerned, I think we can arrange the<br />

sequence after you have arrived here in <strong>New</strong> <strong>York</strong>” (February 18, 1941). <strong>The</strong> lectures<br />

took place as scheduled. But more than a year thereafter, Anderson confessed (see<br />

also Kleinman 1993):<br />

Dear Mayr: June 12, 1942<br />

I was glad to hear from you and to learn how the book was coming on. After<br />

I heard from you in December I worked for a time on my manuscript hoping to<br />

produce a complementary volume. However, as you may have heard I am now<br />

studying Corn very intensively and I am always more interested in what I am<br />

doing than in what I have done. <strong>The</strong> manuscript grows very slowly and the<br />

times being what they are, I have put the whole project away for the present at<br />

least.<br />

This summer I am going to be working in the East at the University of Virginia<br />

Experimental Farm at Blandy which is not far from Winchester.<br />

<strong>The</strong> prehistoric Corn which Dr. Wissler was kind enough to let me study<br />

has proved to be extraordinarily interesting and I have a paper in the press<br />

describing it in some detail.<br />

Sincerely yours, Edgar Anderson

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