SUB-FAMILY IV. INDRISINÆ 90 I. AVAHIS, Jourdan 94 1. laniger (Gm.) 94 II. PROPITHECUS, Bennett 96 1. diadema, Bennett 98 [alpha]. sericeus 99 [beta]. edwardsi 99 2. verreauxi, Grandid. 100 [alpha]. deckeni 101 [beta]. coquereli 102 2a. majori, Rothschild 286 3. coronatus, Milne-Edwards 102 III. INDRIS, Cuv. et Geoffr. 105 1. brevicaudatus, Geoffr. 105 EXTINCT LEMUROIDEA 110 FAMILY I. MEGALADAPIDÆ 112 1. Megaladapis, Forsyth Major 112 FAMILY LEMURIDÆ 22, 114 FAMILY ANAPTOMORPHIDÆ 114 1. Microchærus, Wood 115 2. Mixodectes, Cope 116 3. Cynodontomys, Cope 116 4. Omomys, Leidy 117 5. Anaptomorphus, Cope 117 FAMILY ADAPIDÆ 119 1. Adapis, Cuvier 120 2. Tomitherium, Cope 120 3. Laopithecus, Marsh 121 4. Pelycodus, Cope 121 5. Microsyops, Leidy 122 6. Hyopsodus, Leidy 123 SUB-ORDER II.--ANTHROPOIDEA 123 FAMILY I. HAPALIDÆ 129 I. HAPALE, Illig. 131 1. jacchus (Linn.) 132 2. humeralifer, Geoffr. 133 3. aurita (Geoffr.) 133 4. leucopus, Günther 134 5. chrysoleuca, Wagn. 135 6. pygmæa (Spix) 135 7. melanura (Geoffr.) 136