[ N D 1 X 





.. in foliated rocks, ii. 204. 205 

 a-slate, clay-slate and, ii. 205 

 Mice, ears of, 1. j 58, 359 ; ex] 



by Tait on, i. 358 

 Microscope, Darwin on convenient 

 form of, i- 60, 61 ; indispensable in 

 work >>n Bowers, ii. 298, 299 ; use of 

 compound without simple, injurious 

 to progress of Natural History, ii. 



Migration of animals and plants, i. 201, 



405 ; Darwin on plant-, i. 407 ; of 



elephants, i. 207 ; Glacial period and. 



i. 177. 201, 454, 462 



in tropics, i. 439; ii. 23 ; ol birds 



ii. 70 

 Mikania, a leaf-climber, ii. 34S ; M. 



scandens, gradation between Mutisia 



and, ii. 34S 

 Mill. J. S., on Darwin's reasoning, i. 



1 9; on greatest happiness principle, 



i. 327. 32S 

 Miller, Hugh, First 1m ns of 



England and its People, ii. 188 

 Miller, S. H., Fenland Past and 



Present by Skertchley and, ii. 241 

 Miller, Trof. W. 11.. biographical note, 



i. 121 ; letters to 3 i. 121-4 

 Million years, Darwin on meaning of a, 



ii. 211 

 Milne-Edwards, Darwin's cirripede 



work and, i. 74. 75, 98 : Darwin's 



opinion of. i. 136 ; on retrograde 



development, i. 76 

 Milne-Home, D., biographical note, ii. 



113 ; believes in connection between 

 e of weather and earthquakes, ii. 



114; on Glen Roy, ii. 172, 178, [80, 



182-6; letters to, ii. 1 13- 1 5, 1S0, 



181 ; letter from R. Chambers to, ii. 



177 ; on oscillation of sea, ii. 1S6 

 Milton, quotation from. i. 12 

 Mimicry, i. 183, 196, 197 ; Hates on, 



i. 258 ; and dimorphism, i. 265 ; 



Vomcella as an example of, i. 196; 



Wallace on, i. 265, 266 ; and colour. 



ii. 78, 87 : F. Muller on Lepidoptci.i 



and, ii. 91 

 Mimosa, i. 445 ; Darwin's experiments 



on, ii. 2S9, 361, 36S ; M. all 



Darwin on, ii. 398, 429, 430 M. 



sensitiva, ii. 41 1 

 Mimosese, F. Midler's account of 



of, ii 349 

 Mimu'iis. Pfeffer on movement of 



Stigma, ii. 400 

 Mind, development of, ii. 51. 52, 54 : 



evolution of, ii. 33 ; influence on 



on nutrition, ii 106, 107 

 Miocene land, i. 54-6 



Miquel.F.A. W., 



i. 100 ; on distribution of the be 

 ii. 8 ; on flora of Japan, ii. 7 ; m 

 tioned, ii. 1 



Mirabilis, > 



Mirbel, G. F. B. de, i. 7; 



Miscellaneous letters, botanical, ii. 



242, 333^ 371 ; • -'• >'• 217-41 



llaneous subjects, letters on, ii. 



441-8 

 Mis.si- ippi, l.yell on pampas and de- 



the. ii. [24 

 Mitchella, ii. 272 

 Mivart, Si. George, biographical note, 



i. 332 ; false reasoning of, i. 334 ; 



Genesis of Species, i. 332 

 Modification, Darwin's disbelief in sud- 

 den, i. 335 ; explanation of, i. 173 ; 



of insects, i. 331 ; of jays and cr 



i. 171 ; of land and freshwater 



faunas, i. 233 ; selection and, i. 161 ; 



of species, i. 182 ; Walsh on specific, 



i. 250 

 Moel Tryfan, Darwin on shells on, ii. 



167. 190 ; Mackintosh on shells on, 



ii. 166 

 Moggridge, J. T., letters to, i. 337, 



338 ; ii. 390, 391 ; note on, i. 337 ; 



experiments on ants and seeds, ii. 



389-91 

 Mold, von, on climbing plants, ii. 342, 



343 



isovics, E. von, letters to, i. 374, 

 375 ; ii. 197 ; work on Paleontology 

 and Evolution, i. 375 

 Molecular movement in foliated rocks, 



ii. 206, 207 

 Molli llische Pil •.. ii. 360 



Molliard, on Les Cecidies florales, ii. 425 

 Mollusca, distribution by birds, i. 284, 

 285 ; Huxley on, i. 73 ; mean 

 dispersal of, i. 441 ; ii. 5. 13. 28, 29 ; 

 Morse on protective colours of, ii. 

 95 ; Wallace on distribution of, ii. 14 

 vurrence in Brazil, ii. 355 

 Monacanthus viridis, female form of 



um, ii. 2S0 

 Monkeys, i. 115; ii. 40: distribution 

 of birds affected by, i. 265 ; range 

 of, i. 403; ears of, ii. 53; mane as 

 protection, ii. 91 ; wrinkling of 

 dm. aming, ii. 



Htm, absence o\ nectar in. ii. 



; (lowers 



of, ii. 293-6, 299 : neglected by 



bees, ii. 297 ; seeds of, ii. 2S4 ; M. 



kinds of stamens. 



ii. 296 



Monocotyledons, range of, i. 144 : 



heterostylism in, ii. 358 



