466 



INDEX 



paper on, ii. 313, 319 ; response to 

 stimuli, ii. 51 ; D. filiformis, experi- 

 ments on, ii. 385 ; D. rotundifolia, 

 experiments on,ii. 385, 406, 407 



Drosophyllum, vernation of, i. 316 ; 

 Darwin's work on, ii. 397 ; Droso- 

 phyllum hisitanicum, sent by Tait to 

 Darwin, ii. 381 ; used in Portugal 

 to hang up as fly-paper, ii. 381 



Druidical mounds, seeds from, ii. 244 



Drummond, J., on fertilisation in Les- 

 chenaultiaformosa, ii. 259 



Duchesne, on atavism, i. 217 



Ducks, period of hatching, i. 155 ; 

 skeletons, i. 87 ; hybrids between 

 fowls and, ii. 223 



Dufrenoy, geological work of, ii. 126 



Duncan, Rev. J., encourages J. Scott's 

 love for plants, i. 217 



Dung, plants germinated from locust-, 

 ii. 4 



Dutrochet, on climbing plants, ii. 342 



Duval-Jouve, on leaf-movement in 

 Bryophylhim, ii. 365 



Dyer : see Thiselton-Dyer 



Dytiscus, as means of dispersal of bi- 

 valves, ii. 28,29 



EARS, loss of voluntary movement, ii. 



107 ; in man and monkeys, ii. 53 ; 



rudimentary muscles, ii. 38 ; Wallis's 



work on, ii. 53 

 Earth, a e of the, ii. 7 

 Earth-movements, ii. 113-47 ; cause of, 



ii. 382 ; in England, ii. 167; relation 



to sedimentation, ii. 122 ; subordinate 



part played by heat in, ii. 133 

 Earthquakes, coincidence of shocks in 



S. America and elsewhere, ii. 114, 



115; connection with elevation, ii. 



167, 221 ; connection with state of 



weather, ii. 114 ; Darwin on, ii. 113, 



136 ; in England, ii. 167 ; frequency 



of, ii. 114 ; Hopkins on, ii. 133 ; in 



Scotland, ii. 115 

 Earthworms, Darwin's book on. ii. 367; 



geological action of, ii. 212-17 ; 



influence of sea- water on, ii. 215 ; 



F. Miiller gives Darwin facts on, ii. 



362 ; Typhlops and true, i. 114. 115 

 Echidna, anomalous character of, i. 86 

 Edentata, migration into N. America, 



ii. 18 



Edgeworth, mentioned, i. 184 

 Edinburgh, Darwin's student-days in, i. 



5 8 ; Hooker's candidature for Chair 



of Botany, i. 409 ; ii. 247 

 Edinburgh Review, article on Lyell's 



Antiquity of Man, i. 243 ; reference 



to Huxley's R. Institution Lectures, 



i. 147 ; Owen's article, i. 145. 146, 

 149, 185, 196 



Education, effect of, ii. 54, 55 ; influence 

 on children of parents', ii. 54 



Edivardsia, seeds possibly floated from 

 Chili to New Zealand, i. 475 ; in 

 Sandwich Is. and India, i. 426 ; ii. 

 256 



Egerton, Sir P. de M., note on, i. 88 



Eggs, creation of species as, i. 163, 173 ; 

 means of dispersal of molluscan, i. 441 



Ehrenberg, Ascension I. plants sent to, 

 i. 414 ; on rock-building by infusoria, 

 i. 164 ; Darwin's wish that he should 

 examine underclays, ii. 219 



Eichler, A. W., on morphology of 

 cruciferous flower, ii. 287 ; on course 

 of vessels as guide to floral mor- 

 phology, ii. 273 ; reference to his 

 Bluthendiagramme, ii. 293 



Eildon Hills, need of examination of, 

 ii. 192 



Elateridee, luminous thorax of, i. 307 



Elective affinity, i. 161 



Electric organs of fishes, the result of 

 external conditions, i. 306, 307 



Electricity, and plant-movements, ii. 



394,395 

 Elements of Geology, Wallace's review 



of Lyell's, ii. 39 



Elephants, i. 129 ; Falconer's work on, 

 i. 1 68, 169, 205, 226, 227 ; rate of in- 

 crease of, i. 336 ; and variation, i. 207 ; 

 found in gravel at Down, ii. 165 ; 

 manner of carrying tail, ii. 101, 102 ; 

 shedding tears, ii. 99 



Elephas Cohtmbi, Falconer on, i. 205 ; 

 Owen's conduct in regard to Fal- 

 coner's work on, i. 227, 228, 232 ; E. 

 primigenitts, as index of climate, 

 i. 457 ; woolly covering of, i. 208 ; 

 E. texianus, Owen and nomenclature 

 of, i. 227 



Elevation, in Chili, i. 18-21, 419 ; lines 

 of, i. 84 ; New Zealand and, i. 92 ; 

 continental extension, subsidence 

 and, i. 427 ; connection with earth- 

 quakes, ii. 167 ; equable nature of 

 movements of subsidence and, ii. 189 ; 

 evidence in Scandinavia and Pampas 

 of equable, ii. 173; Hopkins on, ii. 

 133 ; large areas simultaneously 

 affected by, ii. 138 ; d'Orbigny on 

 sudden, ii. 119; rate of, ii. 139; 

 Rogers on parallelism of cleavage 

 and axes of, ii. 204 ; sedimentary 

 deposits exceptionally preserved 

 during, ii. 122 ; subsidence and, ii. 

 123, 136, 147 ; vulcanic! ty and, ii. 

 135, 137 



