INDEX 



722 



Nucleus dorsalis, 517 



geniculate, 507 



gracilis, 549 



lenticular, 546 



olivary, 513 



pulposus, 209 



ruber (red), 511, 520, 548 

 Nutriment, 51, 55 

 Nutrition, 41, 46, 54, 65 

 Nutritive, 65 



O 



Obesity, 464 

 Oblique muscle, 614 

 external, 277 

 inferior, 277 

 internal, 277 

 superior, 614 

 vein (of Marshall), 382 

 "Obstetric Toad" (Alytes obstetricans), 49 

 Obturator artery, 393 

 externus m., 283 

 foramen, 250 

 internus m., 283 

 vein, 397 

 Occipital, 225, 226, 228, 626 

 artery, 390 

 condyle, 26, 226, 246 

 lobe, 500 



vertebrae, 493, 627 

 Occipitalis muscle, 274 

 Occluded, 308, 318 

 Octopus, 14 



Oculomotor n., 482, 489, 511, 523,611,625 

 Odontoblast, 195, 196, 197, 199 

 Odontoid process, 207 

 Oestrus (estrus), 450 

 Oken, 217, 608 

 Old World monkeys, 30, 191 

 Olecranon fossa, 249 



process, 249 

 Olfactory bulb, 488 



lobe, 480, 489, 495, 5o8, 546 

 nerve, 482 



organ, 86, 503, 508, 571-577, 623, 654 

 pit, 22, 25, 574 

 reflexes, 480 

 tract, 486 

 Oligocene, 33 

 Oliva, 513 

 Olivary nucleus, 513 



Omasum (psalterium), 312 

 Omentum(a), 319, 321, 321 



greater, 312 

 Omohyoid m., 277 

 Omphalomesenteric (vitelline) vein, 371, 



371 



Ontogenesis, vil, xiv, 10 

 Ontogeny, 65, 66 

 Onychophora, 30 

 Oocyte, 412 



Operculum, 13, 31, 196, 330, 331 

 Ophidia, 26 



Ophthalmicus profundus, 483, 484, 609 

 superficialis V, 484, 489 

 VII, 483 

 Opisthonephros, 406 

 Opisthotic, 228 

 Opossum, 27, 27 

 Opponens digiti minimi m., 283, 284 



pollicis m., 283 

 Opposable thumb, 29, 30 

 Optic chiasma, 482, 510, 589 

 cup, 589 

 fissure, 589 

 lobes, 480, 493, 510 

 nerve, 86, 482, 510, 511 

 stalk, 588, 589 

 thalami, 507 

 vesicle, 589 

 Oral, 30 



glands, 302 

 hood, 21 



membrane, 87, 89 

 siphon, 19 

 Orang-utan, 192 

 Orbicularis oculi m., 274 



oris m., 274 

 Orbit, 227, 232 

 Orbito-nasal groove, 609 

 Ordovician, 34 

 Organ, i, 6 



of Corti, 597, 600, 601, 601, 604 

 of equilibration, 6, 599 

 of hearing, 594, 595, 654 

 of Jacobson, 575, 576 

 photic, 580 

 Organic, 194 



evolution, x, xiii 

 Organized, 5 

 Organized whole, xiii 

 Organism, ix, i, 4, 64 

 Organization, xiii, 5, 16, 163 



