1. See Randall White, "Visual Thinking in the Ice Age," Scientific American (July, 1989), pp. 92-99
2. also, A. Leroi-Gourhan, Le Geste et la parole, 2 vols. (Paris: Michel, 1964).
3. On the view that cultural evolution is Lamarckian in contrast to biological evolution, which is neo-Darwinian, see my discussion in "Sight, Symbol and Society: Toward a History of Visual Perception," Philosophic Exchange 3:2 (1981): 28
4. and also in "Perception, Representation and the Forms of Action: Towards an Historical Epistemology," in my Models: Representation and the Scientific Understanding (Dordrecht: Reidel, 1979), pp. 204-205.
5. See Ernst Fischer’s discussion of the role of “making alike” in the origins of art and of cognition, in his The Necessity of Art, trans. A. Bostock (Baltimore, Md.: Penguin Books, 1963), pp. 29–33.