July 17, 1948

The Neocortex of Macaca mulatta

JAMA. 1948;137(12):1093. doi:10.1001/jama.1948.02890460089032

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This is, to date, the only thorough study of the cortex of the most commonly used primate. It has a prologue, seven autonomous chapters and an epilogue. It is written in good prose, with a happy choice of words, preserving familiar terms without loss of precision. Its ninety pages of text include about fourteen pages of tables and clear line drawings schematizing the growth, size and proportion of the brain, its fissural pattern, thickness of layers, survey by serial sections, partial maps by sundry authors and diagrams of interconnections. The frontispiece, in color, conveys the distribution of distinguishable architectural areas and by its tinting suggests how these merge into one another. There is a carefully selected bibliography of some one hundred and fifty entries. But the most important portion of the volume is, as the authors state, a set of sixty-two collotype plates, each at a magnification of 100 diameters,

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