498 



MUSEO NACIONAL DE BUENOS AIRES. 



Metacarpo, 22, 26, 52,53. 



metacarpo cubito radial (Articulación), 



31,32. 

 metacarpo digitales (Remigies), 22, 23, 



25, 27, 41, 63. 

 metagnato (Pico), 64, G5. 

 Metasternum, 70, so, 84. 



Metatarsal, 76. 



Metatarso, 89, 100, 106. 



metatarso falangial (Articulación), 105, 



108. 

 middigitales (Remigies), 23. 

 Muda (de las plumas), 15, 45, 46. 

 Myxa, 60. 



N. 



Nares imperviae, 64, 65, 151. 



Nares perviae, 64, 65, 151. 



nasal (Hueso), 5?, 58, 51), 60, 67. 72, 73, 



151. 

 natatorios (Pies), 91, 92. 

 Neognathae (Aves), 440. 

 Neossoptiles, 15, 16, 17, 149, 151. 



nidicolae; nidicolas (Aves), 16, 17, 149, 



153. 

 nidicolas inferiores (Aves), 149. 

 nidicolas superiores (Aves), 149. 

 nidifugae; nidifugas (Aves), 16, 17, 1 10, 



153. 

 novempennafae (Oscines), 29, 38, 39. 



O. 



ohfurator externus (Mus.), 101. 

 obturator internus (Mus.). 102, 115, 116, 



117, 152. 

 Occipucio, 63. 

 ocreatas (tarso), 51. 

 oMgomyodae (PasseresJ, 121, 431. 



opistocelas (Vértebras), T5, 77, 151. 

 opistótico (Hueso), 58, 59. 

 Orbitoesfenoides, 57, 58, 59. 

 ortocelo (Repliegos intestinales del tipo), 



134, 136, 138, 139, 140. 

 Oscines, 124, 123. 



Palaeogitathae (Aves), 440. 



Palatinos, 5T, 58, 59, 60, 64, 66, 67, 68, 



69, 70, 71. 

 Páncreas, 131, 134, 143. 

 paragnato (Pico), 64, 65. 

 Parapteron, 18, 22, 24, 2">, 35, 63. 

 Parietal, 51, 58, 59. 

 parotica (Regio), 63. 

 Patas gradarías, 89. 

 Patas gralarias, 89. 

 Patas vadantes, 89. 

 Patas zancudas, 89. 

 pectoralis mayor (Mus.), 85, 87, L08, 



169, 114, 115. 

 pectoral segundo (Mus.), 113. 

 Pedes adhamantes, 90, 91. 

 Pedes ambulatorii, 90, 91. 

 Pedes colligali, 90, 91. 

 pedes cursorii, 91 

 Pedes digitoversaíilis, 90, 91. 



Pedes fissi, 90, 91. 



Pedes fissipalmati, 90, 93. 



Pedes gressorü, 90, 91. 



Pedes incidentes, 90, 91. 



Pedes lobati, 90, 93. 



Pedes 2ja/??i«¿¿, 90, 92. 



Pedes scansorii, 90. 



Pedes semicolligati, 90, 91. 



Pedes semipalmati, 90, 92. 



Pedes slegani, 90, 93. 



Pelvis, 74, 82, 8T, 88, 97, 152. 



Pennae; penas, 14, 26. 



pericelo(Repliegos intestinales del tipo), 



138, 139. 

 peri-ortocelo (Repliegos intestinales del 



tipo), 138. 

 periótico (Hueso), 57, 5^. 

 peroneal profundo (Mus.), 03. 

 Pessulus, 118, 119, 120, 122. 

 petroso (Hueso), 58. 



