The Quarterly journal of the Geological Society of London . inted to other features which suggested some approximationto Man. Gaudry, on the other hand, after studying a better-preserved specimen, decided that Dryopithecus was the lowest ofthe known Apes, and even approached the Macaques in the shapeof the mandibular symphysis. If the transverse section of the mandibular symphysis ofDryopithecus (text-fig. 1 b) be compared with that of the nearlycontemporaneous Macaque, Mesopithecus (text-fig. 1a, p. 317), astriking resemblance will indeed be noted. There is the sameabrupt upward slope of the
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The Quarterly journal of the Geological Society of London . inted to other features which suggested some approximationto Man. Gaudry, on the other hand, after studying a better-preserved specimen, decided that Dryopithecus was the lowest ofthe known Apes, and even approached the Macaques in the shapeof the mandibular symphysis. If the transverse section of the mandibular symphysis ofDryopithecus (text-fig. 1 b) be compared with that of the nearlycontemporaneous Macaque, Mesopithecus (text-fig. 1a, p. 317), astriking resemblance will indeed be noted. There is the sameabrupt upward slope of the anterior face of the bone, and althoughthe digastric insertion (dotted in the figure) is relatively smallerin Dryopithecus than in Mesopitheeus, it is still very large forsua Anthropoid. The digastric muscles in Macaques and otherMonkeys are, in fact, excessively developed to undertake someof those functions of the floor of the mouth that are performedby the mylohyoid and geniohyoid muscles in the large existing Quart. Journ. Geol. Soc. Vol. LXX, Pl.XLIV.. 3.