Note 2 — LECTURE I. THE PHYSICAL ELEMENTS OF ETHNOGRAPHY.
Reading edition
Darwin, The Descent of Man, p. 56. The anatomical cause of elongated or short skulls is the earlier union of either the transverse or longitudinal sutures, thus forcing the growth to be in the other direction. (L. Holden, Human Osteology, p. 127). Of course, this begins in fœtal life; and Pruner Bey had observed children with different forms of the skull born of the same mother. (Oscar Peschel, Völkerkunde, s. 80).