INDEX 



[ f he German a, 0, are treateil as a, o, u, not a» ac, oe, ue.] 



rant genera, Darwin's work 



nil, i. 5>2 -.1, 86 



Abich, on Vesuvius, ii. 13 1 



Abinger, excavations of Roman villa [ 

 at, ii. 213 ; plants from, ii. 407 



ABinger Hall, Darwin visits, i. 360; 

 ''• 39 2 > 391 ! Lord Farcer's recol- 

 lections of Darwin at, ii. 392 



Abiogenesis, Huxley 3 on Bio- 



genesis and, i. 322, 323 

 rtion, Romanes on, i. 352 



Abrolhos, plants from the, i. 9, 410 



Abromia, ii. 42S. 



Abrns precatotiuSy dispersal of seeds, 



iL 349 

 Abstract, Darwin's dislike of writing 



papers in, ii. 279 

 Abstract, the name applied by Darwin 



to the Origin, i. 447 

 Abutilon, F. Muller's experiments on, 



ii- 35°. 357, 359. 360 

 Abyssinia, flora of, i. 447, 465, 477; 



ii. 5, 25 

 Academy, Darwin's opinion of the, i. 



317 

 Acanthacece, i. 108 

 Acceleration of development, Copi 



Hyatt oil retardation and, i. 33S-4S ; 



reference in the Origin to, i. 340 

 Accumulation, of deposits in relation to 



earth-movements, ii. 122; of specific 



differences, i. 171 ; of sterility, i. 



292, 293, 297, 299; of varieties, i. 



207, 290, 20;, 294 

 Accuracy, diffi ult to attain, ii. 324 ; 



the soul oi Nat. History, ii. 323 



Acer as, fertilisation of, ii. 263, 265; 



monstrous 81 iwer, ii. 31 7 

 Acincta, Darwin unable to fertilise, ii. 



347 

 Aconitum, peloria and reversion, ii. 



335 

 Acropera, atrophy of ovules, ii. 304, 



305, 30S : Darwin's mistake over, ii. 



306, 307, 3,19, 346, 347 ; fertilisation 

 of, ii. 273, ¥>h 3°4, 307. 3 12. 3 l6 . 

 318, 336, 337 ; relation to 1 



ii. 282 : J. Scott's work on, ii. 31 



VOL. II. 



w, abnormal structure 



of ovary, ii. 304 ; I (arwin's account 

 of (lower, ii. 280, 307 ; anil: 

 fertilisation, ii. 305, 306, 33G ; 

 relation to A. luteola, ii. 309; J. 

 ervations, 302-6; two 

 sexual conditions of, ii. 305 : A. 

 lutcola, Darwin's observations on, 

 ii. 303; fertilisation of, ii. 325, 3 

 flowers of, ii. 280, 2^2, 305 ; structure 

 of ovary, ii. 304, 307 



Adaptation, Darwin's difficulty in un- 

 derstanding, i. 213 ; hybrids and, i. 

 292; not the governing law in Geo- 

 graphical Distribution, i. 406 ; more 

 clearly seen in animals than plants, 

 i. 152 ; Natural Selection and, i. 

 161 ; in orchids, i. 156 ; resemblances 

 due to, i. 306 ; in Woodpecker, i. 

 156. 



Adenanthera pavomna, seed-disp 

 by Parrots, ii. 3 



iterranean genus 

 in the Cameroons, ii. 6 



Adlumia, i. IOO ; ii. 335, 342, 



Adoxa, difference in flowers ot same 

 plant, ii. 376 



Aecidium elatinum, Witches'-Broom 

 fungus, ii. 422 



is Sanctae-heUna, i. 4 

 . hybrids, ii 



Affaiblissement, A. St. Hilt on, i. 



415 



A 1 a. connection wil 1 n, 11. 15 : 

 connection with India, ii. 10; con- 

 tinent of Lemuria and. ii. 15 ; 

 sidered bj Murchison oldest conti- 

 nent, ii. 37 ; 1 equatorial 

 •. ii 26 



Africi East), ( st, ii. 



Africa (South), plants of, 1. 163 : re- 

 lation of floras of Western Europe 



. i. 379 



Africa (West), botanical relation to 

 Java, i. 412, 415 



Alex., / •' tf of the 



Blake, ii. 14" ; his belief in evolution 



