“…The muscle is broader at its insertion than at the origin, the proportion being about 2:1. The findings of other authors (Lampert, 1926;Sandifort, 1834;Starck and Schneider, 1960) (Schon, 1964a Hill (1962) Cebus (Campbell, 1937). Lampert (1926) (Lampert, 1926 (1908) as possessing a central tendon larger than in any other platyrrhine and shaped very much like that of man.…”