520 



Bulletin American Museum of Natural History. [\'ol. XXVII, 



J^' 



Monotrenies: Geoffrey, 145; raised to 

 subclass rank (de Blainville), 76, 82; 

 taxonomic history, 142; characters, 

 145-162, skull and skeleton, 149; 

 genetic relations, 157; humerus 

 (Echidna) figured, 437; carpus, 442. 



Multituberculata Cope, 165, characters, 

 166-170; genetic relations, 169. 



"Multituberculates," so called of Pata- 

 gonia, 211. 



Myogale, 263. 



Myomorpha Brandt, 330. 



Myrmecobiida?, 203. 



Myrmecobius, 208. 



Myrmecophaga, humerus figured, 437. 



Nares, posterior, Monotremes, 150, 156. 



Nasals, 424. 



Natur-Philosophie, 71; influence on 

 Mammalogy, 74, 103. 

 l^'/l Necrolestes, 259. 

 ;^ ,^ ' "^Nesodon feet, 109. 



Nesodontitlse, 384. 



Nomenclature, revision of, 87; bi- 

 nomial n., 17, 27, 35. 



Non-ruminantia (Ray) 18, 100, 466. 



Notochord, vestiges in Insectivores, 245. 



Notoprotogonia, 383. 



Notoryctes, 204, 209; skull, 256-257; 

 homology of molar cusps, 256; com- 

 parison with Chrysochloris, 256-258. 



Notostylops, 375; defined, 384. 



Notoungulata Roth, 370, 466; redefined, 

 383; carpus, 448. 



Odontocetes, ancestral, 417. 



Oken, 72, 73; influence on mammalogy, 



103. 

 Ongulogrades a doigts pairs, etc., 76, 78. 

 Opisthoctenodon, carpus figured, 440. 

 Orbitosphenoid, 425; of Marsupials, 



221; of Insectivores, 245. 

 Orders and suborders of mammals, 



diagrams of phylogenetic relations of, 



468, 469. 

 Orders of mammals, great geological age 



of certain, 106. 

 Ornithodelphes de Blainville, 82. 



Orycteropus, 334; tympanic, 128-9. 



Ornithorhynchus Blumenbach, 52, 53, 

 158. 



Ossicles, auditory, see Ossicula auditus. 



Ossicula auditus: value in phylogeny, 

 112; evolution, 123-141; general 

 remarks on, 426; Broom's theory of 

 (diagram), 134; figures of o. a. in 

 foetal mammals, etc. : Pro-mammal, 

 126, 139; Macropus, 122; Homo, 126; 

 Crocodile, 133, 134; Lizard, 131; 

 Sus, 131; Tatusia, 140; morphology 

 of o. a. in: Monotremes, 157; In- 

 sectivora, 275, 282, 292; Orycteropus, 

 335. See also under other groups, 

 e. g., Chiroptera, etc. 



Osteology, 104, 112, 420. 



Oudenodon, 117, carpus, 439; do. fig- 

 ured, 440; astragalus, 453; tarsus 

 figured, 440. 



Oviparity, in ancestral mammals, 147, 

 148. 



Owen, 89; general influence on mam- 

 malogy, 103. 



Pachydermes, 24, 58, 344. 

 PaljEontology, vertebrate: founded by 



Cuvier, 67; introduction of more exact 



field and museum methods, 87; 



general influence on mammalogy, 103. 

 Palffiotelic characters, 88, 94, 111, 422. 

 Palatal vacuities, 424, 220, 244. 

 Palate, hard: Cynodonts, 120; Soleno- 



don, 244. 

 Palatines, 424. 

 Pallas, 38. 

 Palmer, 89. 

 Pantodonta Cope, 99. 

 Pantolambda, carpus, 447. 

 Pantolambdida^, characters, 357. 

 Pantotheria Marsh, 171. 

 Parabderites, 212. 

 Paraconid, origin, 186. 

 Paramys, 326. 

 Paratheria Thomas, 334. 

 PJ?''xonia, 466. 

 ?. -iasauria, 115. 

 Paroccipital process, 426. 

 Pariotichidae, 115. 



