Chapter II: MIDAS, Geoffr. 138

1. rosalia (Linn.) 138
2. geoffroyi (Pucher.) 139
3. oedipus (Linn.) 140
4. labiatus, Geoffr. 141
5. rufiventer, Gray 142
[alpha]. mystax, Spix 142
[beta]. pileatus, Is. Geoffr. 143
6. weddelli, Deville 143
7. nigrifrons, Geoffr. 143
8. fuscicollis, Spix 144
9. chrysopygus (Wagner) 144
10. nigricollis, Spix 145
11. illigeri (Pucher.) 145
12. bicolor, Spix 147
13. midas (Linn.) 148
14. ursulus, Geoffr. 148

FAMILY II. CEBIDÆ 150

SUB-FAMILY I. NYCTIPITHECINÆ 152

I. CHRYSOTHRIX, Kaup 152
1. usta (Is. Geoffr.) 154
2. entomophaga (d'Orb.) 155
3. sciurea (Linn.) 156
4. oerstedi, Reinh. 158

II. CALLITHRIX, Geoffr. 158
1. torquata (Hoffm.) 159
2. cuprea, Spix 160
3. amicta (Humb.) 161
4. cinerascens, Spix 161
5. moloch (Hoffm.) 162
6. ornata, Gray 162
7. personata, Geoffr. 163
8. nigrifrons, Spix 164
9. castaneiventris, Gray 164
10. melanochir, Neuwied 165
11. gigot, Spix 165

III. NYCTIPITHECUS, Spix 166
1. trivirgatus (Humb.) 168
2. lemurinus, Is. Geoffr. 168
3. rufipes, Sclater 169
4. azaræ (Humb.) 170
5. felinus, Spix 170

SUB-FAMILY II. PITHECIINÆ 173

I. BRACHYURUS, Spix 174
1. melanocephalus (Humb.) 175
2. rubicundus, Is. Geoffr. 176
3. calvus, Is. Geoffr. 177

II. PITHECIA, Geoffr. 182
1. monachus, Humb. and Bonpl. 182
2. pithecia (Linn.) 185
3. satanas (Hoffm.) 186
4. chiropotes (Humb.) 187
5. albinasa, Is. Geoffr. 188

SUB-FAMILY MYCETINÆ 189

I. ALOUATTA, Lacép. 192
1. seniculus, Linn. 192
2. nigra (Geoffr.) 195
3. beelzebul (L.) 197
4. ursina (Humb.) 198
5. villosa (Gray) 199
6. palliata (Gray) 202

SUB-FAMILY CEBINÆ 204