argentinus, Homocentrus, ii. [211]

armatus, Microchærus, i. [116]; ii. [241]

Ascagne, ii. [44], [45]

ascanias, Cercopithecus, ii. [44], [48], [50]

assamensis, Macacus, ii. [20], [29], [31], [250]

Ateles, i. [128], [190], [204], [227], [228], [229], [235], [236], [238], [245], [246], [247], [248]; ii. [228], [239]

albifrons, i. [233]

arachnoides, i. [226]

ater, i. [128], [129], [237], [238], [241], [242]; ii. [254], [255]

bartletti, i. [231]