Chapter VI: CERCOPITHECUS, Erxl. 41

Group I.--Cercopitheci rhinosticti 44
1. petaurista (Schreb.) 44
2. signatus, Jentink 45
3. erythrogaster, Gray 46
4. buettikoferi, Jentink 47
5. martini, Waterh. 47
6. ludio, Gray 48
7. melanogenys, Gray 49
8. stampflii, Jentink 50
9. schmidti, Matschie 50
10. nictitans (L.) 51
11. erythrotis, Waterh. 52
12. cephus (L.) 53

Group II.--Cercopitheci chloronoti 54
13. cynosurus (Scop.) 55
14. sabæus (L.) 56
15. werneri, Geoffr. 58
16. callitrichus, Is. Geoffr. 58
17. pygerythrus, F. Cuv. 60
18. tantalus, Ogilby 62

Group III.--Cercopitheci erythronoti 63
19. patas (Schreb.) 63
20. pyrrhonotus, H. and E. 64
21. rufo-viridis, Geoffr. 65

Group IV.--Cercopitheci melanochiri 66
22. mona (Schreb.) 66
23. albigularis (Sykes) 67
24. boutourlinii, Gigl. 69
25. campbelli, Waterh. 70
26. samango, Sundev. 71
27. labiatus, Geoffr. 72
28. opisthostictus, Scl. 72
29. stairsi, Scl. 73
30. moloneyi, Scl. 74
31. neglectus, Schl. 75
32. leucampyx (Fischer) 75

Group V.--Cercopitheci auriculati 76
33. grayi, Fraser 77
34. pogonias, Bennett 78
35. nigripes, Du Chaillu 78
36. wolfi, Meyer 79

Group VI.--Cercopitheci barbati 79
37. diana (L.) 79
38. palatinus, Wagn. 81
39. brazzæ, Milne-Edw. 81

Group VII.--Cercopitheci trituberculati 82
40. talapoin, Erxl. 82

SUB-FAMILY SEMNOPITHECINÆ 83

I. COLOBUS, Illig. 85, 214
1. verus, Van Bened. 87
2. rufomitratus, Peters 88
3. kirki, Gray 89
4. ferrugineus (Shaw) 91
5. satanas, Waterh. 93
6. ursinus, Ogilby 93
7. vellerosus (Is. Geoffr.) 94
8. angolensis, Scl. 96
9. guereza, Rüpp. 97
10. caudatus, Thomas 98