71H 



INDEX 



Neural .spine, 147 



Neural tube, Craniata, 73* 



Neurentcric canal, 34, o8, 59, iJOd 



Neurenteric passage, 183 



Neuroccvlc, 2*, 34, 35, 49, 53, 57, 58 



Neuroglia, 98* 



Neuroniast-organs, 1(»7*, 108 



Neuroniasts, 107", 108 



Neuron, 44, 49, 50, 53, 57, 58 !)8 



Neuropore, 34, 54, 55, 58, 61, 62 



Newts, -264, 293, 296 



New Zealand, coni])ariHon of its ])liysic.al 

 conditions and fauna with those of 

 Great Britain, 619 



New Zealand region, 632 



Nictitating menibrane,ofElasmobranchii, 

 179 : Frog, 265 : Lizard, 315 : Pigeon, 

 380 : Rabbit, 446 : Mammalia, 580 



NidicoLt, 442* 



Nidifugie, 442* 



Non-Ruminants, 4S2* 



Nostril, 109 



Notklanido', 169, 178 



Notochord, 1*: Balanoglossus, 6 : Cepha- 

 lodiscus, 10, 12 : Rhabdopleura, 12, 13: 

 Appendicularia, 24 : Ascidian larva, 

 34 : A7nphioxu.s, 47, 49, 58, 59 : Crani- 

 ata, 71, 72 — See Vertebral column 



Noto(;hordal sheath, 47, 72, 73 



Notochordal tissue, 47, 72, 73 



Notornk, 426, 430, 620, 642 



Notornis alba, 632 



Notoryctes, 495, 579, 581 



Notorijctes typMops, 495 



Nototherium, 642 



Nolotherium mifchdli, 603 



Nofotrema marsupium, 309, 310 



Nuchal plates, 344* 



Nucleus, of Salpte, 29 * 



Nurse, Doliolum, 39*, 41 



0, 



O 



'KLIQUE SKl'TUM, 400 



Oljliquus externus, 274, 275 



01)liquus internus, 274, 275 



Obstetric Toad, 308 



Obturator foramen, 457 



Obturator notch, 392 



Occipital condj'le 



Occipital plane, 513* 



Occipital region, 76* 



Occipital segment, 80' 



Oceanic Islands, (532^ 



OreaniUiS, 415 



Oi'tacnemida', 27 



Ortacnermis, 27, 28, 20 



Ociorh'dus, 621 



Octopods, 634 



Oculomotor nerve, 104 : ganglion, 104 



Orydromus, 416, 426, 430, 444, 620, 632 



Odontoldasts, 86*, 558 



Odontoceti, 480*, 501, 531, 533, 534, 580, 

 606 



Odontoid process, of Amphibia, 299 : 

 Li/.ard, 316 



Odontolcae, 413, 443, 444, 445 



Odontopteryx, 434 



(Esophageo-cutaneous duct, Mvxinoid. 

 140 



Oikop/eura, 22, 24 



Oil-bird, 633 



Oil-gland, 380' 



Oken, Lorenz, 680 



Old-wold Monkej's, 557 



Olecranon, 321 



Olfactory bulb, 100, 157, 212 



Olfactory capsules, 75* 



Olfactory nerve, 103 



Olfactory peduncle, 194, 239 



Olfactorj- tracts, 239 



Olfactory lobe, 100* — See Brain 



Olfactory lobe, median : Amphioxits, 54 : 

 Craniata, 100 



Olfactory organ, of Amphioxus, 54, 55 : 

 Craniata, 109"'- : Lamprey, 132, 133, 

 134 : Myxinoids, 139 : Dog-fish, 163 : 

 Elasmobranchii, 179 : Trout, 214 : 

 Ceratodus, 254 : Frog, 284 : Amphibia, 

 308 : Lizard, 331 : Reptilia, 360 : 

 Pigeon, 405 : Mammalia, 580 



Olfactory region, of Skull, 76* 



Olfactory ventricle, 100* — See Brain 



Olivary body, 472* 



Omentum duodeno-hepatic, 324 



Omentum gastro-hepatie, 324 



Omentum, great, 403 



Omosternum, 272, 273 



Onychodactylits, 298 



Opercular, 199 



Operculum, of Balanoglossus, 4 : Crani- 

 ata, 67 : Holocephali, 189 : Trout, 199 : 

 Teleostomi, 225 : Dipnoi, 247, 249 : 

 l^uljjole, 291 



Ophidia, 334*, 339, 342, 343, 344, 347. 

 348. 353, 357, 358, 359, 360, 361, 362. 

 367, 368, 370 



Opisthoc( clous, 229*, 298 



OpUthoromns, 416, 420, 421, 633 



Opisthotic, 79*, 80 -See Skull 



Opossums, 478, 492, 495, 521, 524, 563. 

 584, 598, 602 



Opthalmic nerve, 104, 105 



Opthalmicus profundus, 161 



Optic capsules, 75* 



Optic cup, 112, 113" 



Optic chiasma, 159 



Optic foramen, 452* 



Optic lobes, 102* — See Brain 



Optic nerve, 103 



Optic thalamus, 102* — See Brain 



Optic vesicle 112* 



Optic ventricle, 102* — See Brain 



