466 



INDEX 



paper on, ii. 313, 319; response to 

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

 ments on, ii. 385 ; D. rolimdi folia, 

 experiments on, ii. 385, 406, 407 



Drosophyllum, vernation of, i. 316 ; 

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

 phyllum lusitankwn, 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, T., on fertilisation in Les- 

 chenaultiafortnosa, 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 

 Bryophyllum, ii. 365 



Dyer : see Thiselton-Dyer 



Dyliscus, 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, au.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. M tiller 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 LyelPs 

 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 



Edwardsia, 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 

 Bliithendiagramme, ii. 293 



Eildon Hills, need of examination of, 

 ii. 192 



Elateridse, 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 0] Geology, Wallace's review 



of Lyell's, ii. 39 



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

 i. 168. 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 Cohtnibi, Falconer on, i. 205 ; 

 Owen's conduct in regard to Fal- 

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

 primigenius, 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 ; vulcanicity and, ii. 

 135. *37 



