INDEX 



553 



Darwin, experiment on Helix pomatia, 



on the permanence of oceans, 100 

 on cloudy sky of Antarctic recrions, 



146 

 on glaciers of the Southern Andes, 



147 

 on geological time, 211 

 on complex relations of organisms, 



226 

 on oceanic islands, 242 

 on seeds carried by birds, 257 

 Darwin, experiments on seed-dispersal, 

 268 

 on natural history of the Keeling 



Islands, 286 

 on cultivated plants not running 

 wild, 507 

 JDawkins, Professor Boyd, on animal mi- 

 grations during the glacial epoch, 

 120 

 Dawson, Mr. G. M., on alternations of 

 climate in British Columbia, 121 

 Professor, on Palaeozoic boulder-beds 

 in Nova Scotia, 201 

 De Candolle on dispersal of seeds, 80 

 Deep-sea deposits, 219 

 Deer in Celebes, 455a 

 Delphinium ajacis, on a railway bank, 515 

 Dendrceca, 19 

 D. coerulea, 19 

 D. discolor, 19 

 J), dominica, 19 



Dendrceca coronata, variation of, 58 

 Dendrophidse, 28 

 Denudation destroys the evidences of 



glaciation, 172 

 Denudation and deposition as a measure 



of time, 213 

 Denudation in river basins, measurement 



of, 215 

 Denudation, marine as compared with 



sub-aerial, 225 

 Deposition of sediments, how to estimate 



the average, 221 

 Deserts, cause of high temperance of, 



132 

 Diagram of excentricity and precession, 



129 

 Diagram of excentricity for three million 



years, 171 

 Dididse, how exterminated, 436 

 Didunculus, keeled sternum of, 437 

 Diospyros, in upper greensand of Green- 

 land, 186 

 Diplotaxis muralis, on railway banks, 513 

 Dipnei, discontinuity of, 69 

 Dipterus, 69 

 Discontinuity among North American 



birds, 67 

 Discontinuity a proof of antiquity, 69 

 Discontinuous generic areas, 23 

 Discontinuous areas, 64 



why rare, 64 

 Dispersal of animals, 72 



of land animals, how effected, 73, 76 

 along mountain-chains, 81 

 of seeds by wind, 80, 257 



Dispersal by birds, 81, 258 

 by ocean currents, 81, 258 

 of Azorean plants, facilities for, 260 

 Distribution, changes of, shown by ex- 

 tinct animals, 102 

 how to explain anomalies of, 420 

 Drontheim mountains, peculiar mosses 



of, 368 

 Dobson, Mr., on bats of Japan, 394 



on the affinities of Mystacina tuber- 

 culata, 474 

 Dodo, the, 436 



aborted wings of, 437 

 Dryiophidse, 28 



Dumeril, Professor, on lizards of Bour- 

 bon, 435 

 Duncan, Professor P. M., on ancient sea 

 of central Australia, 496 



E. 



Early history of New Zealand, 484 

 Earth's age, 210 

 East Asian birds, range of, 38 

 East and West Australian floras, geologi- 

 cal explanation of, 494 

 Echidna, 30 

 Echimyidae, 27 



Elevation of North America during 

 glacial period, 154 

 causing diversion of gulf -stream, 154 

 Elwes, Mr. H. J., on distribution of 



Asiatic birds, 379a 

 Emheriza schoeniclus, discontinuity of, 66 

 E. passerina, range of, 66 

 E. pyrrhulina, 66 

 Endemic genera of plants in Mauritius, 



&c., 443 

 Endemic genera of plants in New Zea- 

 land, 526 

 English plants in St. Helena, 297 

 Environment, change of, as modifying 



organisms, 225 

 Eriocaulon septangulare, 363 

 Ethiopian Region, definition of, 42 



birds of, 43 

 Ettingshausen, Baron von, on the fossil 

 flora of New Zealand, 499 

 on Australian plants in England, 518 

 Eucalyptus, wide range of, in Australia, 



185 

 Eucalyptus and Acacia, why not in New 



Zealand, 507 

 Eucalyptus in Eocene of Sheppey, 518 

 Eupetes, distribution of, 25 

 Europe, Asia, &c., as zoological terms, 32 

 European birds, range of, 16 



in Bermuda, 269 

 European occupation, effects of, in St. 



Helena, 294 

 European plants in New Zealand, 507 



in Chile and Fuegia, 521 

 Everett, Mr., on Bornean birds, 377 



on raised coral-reefs in the Philip- 

 pines, 389 

 Evolution necessitates continuity, 70 



