Chapter 1562
[←1553]
De Quatrefages, The Human Species, p. 111. The respective developments of the human and simian brains are referred to. “In the ape the temporo-sphenoidal convolutions, which form the middle lobe, make their appearance and are completed before the anterior convolutions which form the frontal lobe. In man, on the contrary, the frontal convolutions are the first to appear, and those of the middle lobe are formed later.” (Ibid.)