sylvestris, ii. 194 Homunculus, ii. 211, 228, 239 patagonicus, ii. 211 homunculus, Anaptomorphus, i. 118; ii. 252 Hooded Spider-Monkey, i. 243 Hoolock, ii. 161, 162 hoolock, Hylobates, ii. 160, 161, 163, 164, 249 Simia, ii. 161 Hose's Langur, ii. 117 hosii, Semnopithecus, ii. 116, 117, 119, 120, 249 Howler, i. 247, 248 Black, i. 195 Brown, i. 198 Guatemalan, i. 199 Mantled, i. 202, 203 Red, i. 192 South American, ii. 191 Yellow-handed, i. 197 hulok, Hylobates, ii. 162 humboldti, Lagothrix, i. 129, 222 Humboldt's Woolly Monkey, i. 222 humeralifer, Hapale, i. 133 hybridus, Ateles, i. 233 Hylobates, i. 174, 190; ii. 148, 156, 157, 215, 216, 229, 240 agilis, ii. 149, 151, 249 albimanus, ii. 160 concolor, ii. 155 coromandus, ii. 161 entelloides, ii. 160 funereus, ii. 155 fuscus, ii. 155 hainanus, ii. 164, 249 harlani, ii. 155 hoolock, ii. 160, 161, 163, 164, 166 hulok, ii. 162, 249 lar, ii. 152, 159, 161, 249 leuciscus, ii. 154, 155, 158, 160, 249 leucogenys, ii. 158, 249 mülleri, ii. 155, 158 niger, ii. 162 pileatus, ii. 152, 153, 164 rafflesii, ii. 152, 153 syndactylus, ii. 120, 146, 151, 152, 153, 166, 249 variegatus, ii. 152, 160 Hyopsodus, i. 123; ii. 227, 238 acolytus, i. 123; ii. 252 jurensis, i. 123; ii. 242 minusculus, i. 123; ii. 252 paulus, i. 123; ii. 252 powellianus, i. 123; ii. 252 vicarius, i. 123; ii. 252 hypoleuca, Simia, i. 206 hypoleucos, Presbytis, ii. 110 Semnopithecus, ii. 110 hypoleucus, Cebus, i. 206, 236; ii. 254, 255 Semnopithecus, ii. 110, 248 hypoxanthus, Ateles, i. 226 ibeanus, Papio, i. 269; ii. 246 Papio thoth, i. 269 ignita, Cercopithecus, ii. 80 illigeri, Hapale, i. 145 Midas, i. 145, 146; ii. 255 Illiger's Tamarin, i. 145 Indri, i. 108 Indris, i. 105; ii. 226, 238 brevicaudatus, i. 105; ii. 248 variegatus, i. 107 Indrisinæ, i. 90 Indrodon, i. 123; ii. 227, 238, 252 infumatus, Gastrimargus, i. 223 Lagothrix, i. 223, 224; ii. 255 inornatus, Macacus, ii. 12 inusta, Pithecia, i. 183 Inuus, ii. 8 ecaudatus, ii. 4 leoninus, ii. 14 nemestrinus, ii. 16 palpebrosus, ii. 31 sancti-johannis, ii. 28 speciosus, ii. 13 inuus, Macacus, ii. 2, 4, 7, 213, 214, 243 Pithecus, ii. 4 Simia, ii. 4 irrorata, Pithecia, i. 183 israelita, Brachyurus, i. 188