brevicaudatus, Indris, i. [105]; ii. [248]
Broad-nosed Gentle-Lemur, i. [82]
Brown Capuchin, i. [211]
Brown-headed Spider-Monkey, i. [242]
Brown-headed Tamarin, i. [144]
Brown Howler, i. [198]
Brown Lagothrix, i. [223], [224]
Brown Macaque, ii. [8]
Brown Woolly Spider-Monkey, i. [226]
brunnea, Callithrix, i. [163]