MOZATiT. 



INDEX. 



OSTRICH. 



333 



Mozart, musical powers of, i. 321. 



Mud, seeds in, ii. 175. 



Mules, striped, i. 201. 



Miiller, Adolf, ou the instincts of the 

 cuckoo, i. 331. 



Miiller, Dr. Ferdinand, on Alpine 

 Australian plants, ii. 163. 



Miiller, Fritz, on dimorphic crus- 

 taceans, i. 55, 362. 



, on the lancelet, 1. 154. 



, on air-breathing crustaceans, 



i. 238. 



, on climbing plants, i. 307. 



, on the self-fcterility of orchids, 



ii. 7. 



, on embryology in relation to 



classification, ii. 210. 



, on the metamorphoses of crus- 

 taceans, ii. 215, 253. 



, on terrestrial and fresh-water 



organisms not undergoing any 

 metamorpliosis, ii. 250. 



Multiplication of species not indefi- 

 nite, i. 157. 



Murchison, Sir R., on the forma- 

 tions of Russia, ii. CO. 



■ , on azoic formations, ii. 84. 



, on extinction, ii. 94. 



Murie, Dr., on the modification of 

 the skull in old age, i. 233. 



Murray, Mr. A., ou cave-insects, 

 i. 173. 



Mustek vison, i. 216. 



Myanthus, ii. 216. 



M.vrmecoc\stus, i. 359. 



Myrmica, eyes of, i. 361. 



N. 



Nage]i,on morphological characters, 



i. 266. 

 Nails, rudimentary, ii. 260. 

 Nathur-ius, Von, on pigs, i. 249. 

 Natural history, future progress of, 



ii. 301. 



selection, i. 97. 



system, ii. 204. 



Naturalisation of forms distinct from 



the indi,i,'enous species, i. 138. 

 Naturalisation in New Zealand, i. 



255. 

 Naudin, on analogous variations in 



gourds, i. 195. 

 , on hybrid gourds, iL 38. 



Naudin, on reversion, ii. 41. 

 Nautilus, Silurian, ii. S3. 

 Nectar of plants, i. 114. 

 Nectaries, how formed, i. 114. 

 Nelumbium luteum, ii. 176. 

 Nests, variations in, i. 324, 355, 364. 

 Neuter insects, i, 359, 360. 

 Newman, Col., on humble-bees, i. 90. 

 New Zealand, productions of, not 



perfect, i. 255. 



, naturalised products of, ii. 119. 



, fossil birds of, ii. 121. 



, glaciers of, ii. 159. 



, crustaceans of, ii. 164. 



, algse of, ii. 164. 



, number of plants of, ii. 178. 



, flora of, ii. 189. 



Newton, Sir I., attacked for irre- 



ligion, ii. 294. 

 , Prof., on earth attached to a 



partridge's foot, ii. 148. 

 Nicotiaua, crossed varieties of, ii. 39. 

 , certain species very sterile, 



ii. 14. 

 Nitsche, Dr., on the Polyzoa, i. 301. 

 Noble, Mr., on fertility of Ehodo- 



dendrou, ii. 8. 

 Nodules, phosphatic, in azoic rocks, 



ii. 84. 



0. 



Oaks, variability of, i. 62. 



Onites, appelks, i. 168. 



Ononis, small imperfect flowers of, 



i. 2t.9. 

 Orchids, fertilisation of, i. 241. 

 , the development of their 



flowers, i. 303. 



, ibrms of, ii. 216. 



Orchi.s pollen of, i. 236. 

 Organisation, tendency to advance, 



i. 151. 

 Organs of extreme perfection, i. 223. 



, electric, of tishes, i. 234. 



of little importance, i. 245. 



, horiiologous, ii. 233. 



■ , rudiments of, and nascent, 



ii. 2.55. 

 Ornithorliynchus, i. 130; ii. 208. 



, mammae of, i. 296. * 



Ostricli not capable of flight, i. 281. 

 — — , habit of laying eggs together, 



i. 335. ^ 



