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Show 426 THE HON. WALTER ROTHSCHILD ON [Dec. 13, Text-fig. 109. Left canine tooth of :- 1. Simia satyrus Linn. „ „ 2. Simia vellerosus (Gray). 4. S im ia s c h w e in f u r t h i Giglioli, Ann. Mus. Civ. Genova, iii. p. 135 (1872). (Text-fig. 110, p. 427.) Synonyms: Troglodytes marungensis Noack, 1887. Distribution. Niam Niam to South-eastern Soudan, and from Lake Tanganyika to Uganda Protectorate (and perhaps to Lake Chad and Wadai.-IF. R.). Distinctive characters. External: face, when young, pale, when adult, according to Matschie, dark. Ears very large (no exact measurements known). Beard enormously long and thick. Chin thickly covered with long white hairs. Arms very long indeed. Hair generally very long and thick. Cranial characters : facial portion, of skull extremely narrow, at the very outside only 55 mm. broad behind the canines, but not so wide even at the widest part of the palate. Brain-case almost round, of equal length in both sexes, measured from the glabella to the protuberantia occipitalis externa 128-133 mm., measured over the arch of the forehead 150-160 mm. Breadth between the molars 51-55 mm., between the canines 49-55 mm. The thinnest place in the zygomatic arch is 4-7 mm. high. 5. S im ia f u s c u s (Mayer), Abli. und Ber. Mus. Dresd. No. 14, p . 7 (1894-1895). Distribution. ? Probably between Liberia and Togoland. Distinctive characters. External: hair-whorl on the top of the head, from which hair falls on all sides. Ear blunt, almost flat at the top. Region of eye darker than nasal region. Beard long and entire. Cranial characters : facial portion of skull slender. About the same width behind the canines as at the molars, viz. 53 mm. Brain-case in a $ skull measures in length from the glabella, to the protuberantia occipitalis externa 128 mm., and over the arch of forehead 155 mm. Zygomatic arch at its thinnest place is still 8-5 mm. high. |