[33] Semnopithecus nigripes.

[34] Semnopithecus Nestor.

[35] Semnopithecus ursinus.

[36] The kinds of Monkeys included in this genus have a very wide geographical range. Mr. Wallace states that a species has been seen at an altitude of 11,000 feet in the Himalayas; and Semnopithecus roxellana, which resembles a young Semnopithecus nasalis, occurs in Eastern Tibet (about lat. 30° N.) in the highest forests. Elsewhere, they extend over the forest land of the Oriental region of natural history.

[37] Thumbless Monkeys.

[38] Colobos guereza.

[39] Cercopithecus.

[40] Cercopithecus Diana.

[41] Cercopithecus Mona.

[42] Cercopithecus petaurista.