OBSERVATIONS ON CHIROPOTES ALBINASUS FROM THE RIO DOS MARMELOS, AMAZONAS, BRAZIL

Notes are presented on the body size, behaviour, diet, and gut morphol ogy of Chiropotes albinasus from the Rio dos Marmelos in southeastern Amazonas state, Brazil. Findings include a new upper limit of body wei ght for the species, gut proportions consistent with its relatively hi gh quality diet and evidence of geophagy.