458 



INDEX. 



Newport, i. 247; ii. 78, 155, 157, 



177, :385. 

 Newt, ii. 311, 412. 



Nightshade, ii. 48. 

 Nitrogen, ii. 18, 240. 

 Nordmann, ii. 420, 426. 

 Notonecta, i. 85, 238. 

 Nursling sap, ii. 25. 

 Nutrition, ii. 9, 15, 17, 47. 

 Nutrition in lower orders, ii. 5^. 

 Nutrition in higher orders, ii. K). 

 Nutritive functions, i. 42. 

 Nycteribia, ii. 341. 



Ovary, ii. 416, 417. 



Oviduct, ii. 418. 



Oviparous animals, ii. 419. 



Ovo-viviparous animals, ii. 419. 



Ovula, i. 179. 



Ovum, ii. 416. 



Owen, i. 388. 



Owl, ii. 235, 312, 354. 



Ox, iiorn of, i. 355. 



O.xygen, ii. 28. 



Oyster, i. 102, 161, 162. 



Oyster-catcher, ii. 98. 



Octopus, i. 188; ii. 348. 

 Ocular spectra, ii. 301. 

 Odier, i. 226. 



(Esophagus, ii. 76, 82, 129. 

 Oken, i. 246, 279. 

 Olfactory nerve, ii. 281. 

 Olfactory lobes, ii. 391. 

 OlivcT, i. 175, 180. 

 Oniscus, ii. 382. 

 Onocrotalus, i. 384. 

 Operculum of Mollusca, i. 182. 

 Operculum of fishes, ii. 217. 

 Ophicephalus, ii. 219. 

 Ophidia, i. 310. 

 Ophiosaurus, i. 315, 317. 

 Ophiura, i. 155. 

 Opossum, ii. 101, 419. 

 Optic axis, ii. ii54. 

 Optic ganglion, ii. 345. 

 Optic lobes, ii. 391. 

 Opuntia, i. 100. 

 Orache, ii. 40. 

 Orbicular bone, ii. 303. 

 Orbicular muscle, i. 105. 

 Orchidese, i. 62. 

 Organic Mechanism, i. 58, 79. 

 Organic development, ii. 420. 



Ornithorhyncus, i. 276; ii. 101, 130, 

 277, 313, 350. 



Orobanche, ii. 45. 



Orthoceratite, i. 192. 



Orthoptera, i. 220, 245. 



Os hyoides, ii. 99, 216. 



Osier, i. 152, 162, 163, 199, 201. 



Osseous fabric, i. 256. 



Ossicula, tympanic, ii. 302. 



Ossification, i. 263, 383. 



Ostracion, i. 300. 



Ostrich, i. 388, 404,407; ii. 135, 

 162, 234, 390. 



Otter, sea, ii. 110. 



Paces of quadrupeds, i. 339. 



Pachydermata, i. 357; ii. 271, 278. 



Package of organs, i. 83. 



Pain, ii. 262. 



Palcmon, ii. 383. 



Paley, i. 83, 394 ; ii. 205. 



Palinurus, ii. 383. 



P(dlas, i. 115 ; ii. 244. 



Palms, i. 72. 



Palm squirrel, ii. 130. 



Palmer, ii. 28. 



Palpi, i. 206; ii. 93. 



Pancreas, ii. 160. 



Pander, ii. 425. 



Panniculus carnosus, i. 363. 



Panorpa, i. 231. 



Paper nautilus, i. 191. 



Papilio, i. 251 ; ii. 343. 



Papillce, ii. 269, 279. 



Par vagum, ii. 386. 



Parakeet, ii. 98. 



Parallax, aberration of, ii. 333. 



Parrot, ii. 130, 277. 



Pastern, i. 356. 



Patella, i. 167; ii. 167, 388. 



Patella of knee, i. 282. 



Patellaria, ii. 39. 



Paunch, ii. 142. 



Pearl, i. 169. 



Peccari, ii. 140. 



Pediculus, i. 212. 



Pelican, i. 383 ; ii. \^. 



Pelvis, i. 281. 



Pencil of rays, ii. 320. 



Penguin, i. 407. 



Penitentiary, ii. 138. 



Pennatula, i. 131 ; ii. 63. 



Penniform muscle, i. 103. 



Pentacrinus, i. 156. 



Perca, i. 93, 301 ; ii. 219, 291, 349, 



392. 

 Perception, i. 40; ii. 264, 358. 



