Wolf's, ii. [79]

Guatemalan Howler, i. [199]

Guereza, i. [248], [252]; ii. [42], [83], [84], [85], [86]

Angolan, ii. [96]

Bay, ii. [91]

Black, ii. [93]

Kirk's, ii. [88]

Red-crested, ii. [88]

Rüppell's, ii. [97]

Ursine, ii. [93]