The peculiar V-shaped mouth with its pointed upper lip, the absence of brow ridges
, the absence of a chin beneath the wedgelike lower lip, the incessant quivering of this mouth, the Gorgon groups of tentacles, the tumultuous breathing of the lungs in a strange atmosphere, the evident heaviness and painfulness of movement due to the greater gravitational energy of the earth--above all, the extraordinary intensity of the immense eyes--were at once vital, intense, inhuman, crippled and monstrous.
The face is tall with a massive brow ridge
, yet the mid-face is short (in superoinferior dimension) and less prognathic than in (chimpanzee) or Australopithecus,'' one of the article said.
This 18-millimeter-thick brow ridge
is thicker than any modern male ape's brow ridge
The shape of the male face is influenced by exposure to hormones as features such as the brow ridge
, jaw, chin, nose and cheekbones have testosterone receptors.
Yet Simians, the first of the series, opens with the featureless facial structure of a generic ape: a prominent brow ridge
above round eye sockets and a protrusive maxilla.
Kappelman says the skull's heavy brow ridge
and sharply sloped forehead mark it as H.
Another telling sign appears on the Oase skull's forehead, which lacks a brow ridge
typical of Neandertals.