Chromatic organization of primate cones

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Science  22 Apr 1977:
Vol. 196, Issue 4288, pp. 454-456
DOI: 10.1126/science.403607


The distribution of baboon retinal cones were mapped histochemically by light-stimulated reduction of nitroblue tetrazolium chloride. Blue cones were distributed regularly in the periphery: red and green cones were distributed randomly everywhere. The ordering of cone densities was greeen greater than red greater than blue.