Midas, i. 142 Nyctipithecus, i. 169; ii. 254 Prosimia, i. 73 rufiventer, Midas, i. 142; ii. 255 Pithecia, i. 185 rufiventris, Ateles, i. 234, 236; ii. 254, 255 rufo-fuliginosus, Colobus, ii. 91 rufo-mitratus, Colobus, ii. 88 Tropicolobus, ii. 88 rufo-niger, Colobus, ii. 91 Midas, i. 145 rufo-viridis, Cercopithecus, ii. 60, 65, 246 Chlorocebus, ii. 65 Rufous-backed Guenons, ii. 44 Rufous Lemur, i. 73 Rufous Stump-tailed Macaque, ii. 11 rufus, Lemur, i. 73 Rump-spotted Guenon, ii. 72 Rüppell's Guereza, ii. 97 ruscinensis, Dolichopithecus, ii. 214, 242 Rutledge's Langur, ii. 138 rutledgii, Semnopithecus, ii. 133 sabæa, Cercopithecus, ii. 58 Simia, ii. 56, 58 sabæus, Cercopithecus, ii. 56, 58, 60, 244, 245 Chlorocebus, ii. 58 sabanus, Semnopithecus, ii. 116, 249 Saguinus vidua, i. 159 sagulata, Chiropotes, i. 188 Simia, i. 188 Saï à grosse tête, i. 209 Saï à gorge blanche, i. 206 Saimiri sciureus, i. 154, 156 Saimiris entomophaga, i. 158 entomophagus, i. 155 sciurea, i. 158 usta, i. 154 Sajou negre, i. 212 Saki, Black, i. 186 Red-backed, i. 187 White-headed, i. 185 White-nosed, i. 188 Saki noir, i. 186 Sakis, i. 248 Sally, i. 200, 201 samango, Cercopithecus, ii. 71, 72, 74 Guenon, ii. 71 samati, Chirogaleus, i. 62 Opolemur, i. 62 Samat's Fat-tailed Lemur, i. 62 sancti-johannis, Inuus, ii. 28 Macacus, ii. 28, 29, 249 Sapajou ater, i. 241 geoffroyi, i. 231, 233 paniscus, i. 237 sapiens, Homo, ii. 203 Sarcolemur, i. 123; ii. 227, 238, 252 satanas, Brachyurus, i. 188 Chiropotes, i. 186 Colobus, ii. 93, 245 Guereza, ii. 93 Pithecia, i. 186; ii. 255 Simia, i. 186 Stachycolobus, ii. 93 Satyrus adrotes, ii. 181 lagaros, ii. 194 satyrus, Pithecus, ii. 171 Simia, ii. 170, 249 Troglodytes, ii. 180 savagei, Gorilla, ii. 180 schistaceus, Presbytis. ii. 107 Semnopithecus, ii. 105, 107. 109, 250 Schlegel's Capuchin, i. 220 Guenon, ii. 75 schmidti, Cercopithecus, ii. 50, 246 Schmidt's Guenon, ii. 50 schweinfurthi, Troglodytes, ii. 194 sciurea, Chrysothrix, i. 155, 156, 158; ii. 254, 255 sciurea, Saimiris, i. 158 Simia, i. 156 sciureus, Saimiri, i. 154, 156 Sciurus madagascariensis, i. 14 Sclater's Lemur, i. 73 scottianus, Microsyops, i. 122; ii. 252 Semnocebus albigena, ii. 40 Semnopithecinæ, i. 252; ii. 84, 85 Semnopithecus, ii. 85, 86, 100, 130 137, 142, 214, 228, 240, 252 albocinereus, ii. 123, 138 albogularis, ii. 67, 105 anchises, ii. 104, 105 anthracinus, ii. 93 argentatus, ii. 131 auratus, ii. 136 barbii, ii. 102, 249 bicolor, ii. 95 cephalopterus, ii. 111, 112, 114, 122, 248 chrysogaster, ii. 103 chrysomelas, ii. 120, 127, 128 cinereus, ii. 138 comatus, ii. 138 cristatus, ii. 126, 132 cruciger, ii. 121, 249 cucullatus, ii. 111 dussumieri, ii. 110