INDEX. 



631: 



Mivart, Mr., on the relation, of 

 hair and teeth, 137. 



, on the eyes of cephalopods, 



180. 



, various objections to Natu- 

 ral Selection, 209. 



, on abrupt modifications, 



337. 



, on the resemblance of the 



mouse and antechinus, 440. 



Mocking-thrush of the Galapagos, 

 421. 



Modification of species not abrupt, 

 499. 



Moles, blind, 130. 

 ' Molothrus, habits of, 253. 



Mongrels, fertility and sterility of, 

 301. 



and hybrids compared, 305. 



Monkeys, fossil, 355. 



Monachanthus, 438. 



Mons, Van, on the origin of fruit 

 trees, 25. 



Monstrosities, 39. 



Moquin - Tandon, on sea - side 

 plants, 127. 



Morphology, 450. 



Morren, on the leaves of Oxalis, 

 233. 



Moths, hybrid, 283. 



Mozart, musical powers of, 243. 



Mud, seeds in, 408. 



Mules, striped, 153. 



Miiller, Adolph, on the instincts 

 of the cuckoo, 251. 



Miiller, Dr. Ferdinand, on Alpine 

 Australian plants, 398. 



Miiller, Fritz, on dimorphic crus- 

 taceans, 42, 274. 



, on the lancelet, 119. 



, on air-breathing crusta- 

 ceans, 181. 



— — , on the self-sterility of 

 orchids, 281. 



, on embryology in relation 



to classification, 434. 



, on the metamorphoses of 



crustaceans, 460, 466. 



, on terrestrial and fresh- 

 water organisms not under- 

 going any metamorphosis, 464. 



Miiller, Fritz, on climbing plants, 

 233. 



Multiplication of species not in- 

 definite, 121. 



Murchison, Sir R., on the forma- 

 tions of Russia, 321. 



, on azoic formations, 339. 



, on extinction, 347. 



Murie, Dr., on the modification of 

 the skull in old age, 177. 



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

 132. 



Mustela, vision, 164. 



Myanthus, 438. 



Myrmecocystus, 272. 



Myrmica, eyes of, 273. 



Nageli, on morphological charac- 

 ters, 202. 

 Nails, rudimentary, 471. 

 Nathusius, Von, on pigs, 189. 

 Natural history, future progress 



of, 502. 



, selection, 73. 



, system, 430. 



Naturalization of forms distinct 



from the indigenous species, 



105. 

 Naturalization in New Zealand, 



193. 

 Naudin, on analogous variations 



in gourds, 149. 



, on hybrid gourds, 304. 



Naudin, on reversion, 307. 

 Nautilus, Silurian, 338. 

 Nectar of plants, 86. 

 Nectaries, how formed, 86. 

 Nelumbium luteum, 409. 

 Nests, variations in, 246, 269, 275. 

 Neuter insects, 272, 273. 

 Newman, Col., on humble-bees, 



68. 

 New Zealand, productions of, not 



perfect, 193. 



, naturalized products of, 366. 



, fossil birds of, 367. 



, glaciers of, 395. 



, crusta6eans of, 399. 



, algae of 399. 



, number of plants of, 410. 



, flora of, 419. 



