INDEX 



503 



Tait, W. C. } letter to, ii. 381, 382 ; on 

 rudimentary tails in dogs and Manx 

 cats, ii. 382 ; sends Drosophyttum to 

 Darwin, ii. 381 



Talbot, Mrs. E., letter to, ii. 54-5 



Tandon, Moquin, Elements de Tera- 

 tologie Vegetale, i. 413, 414 



Tankerville, Lord, i. 188 



Tasmania, comparison between floras 

 of New Zealand and , i. 410 ; Hooker's 

 Flora of, i. 458 ; trees of, i. 163 



Taylor, W., Life and Correspondence 

 of, ii. 1 20 



Tears, and muscular contraction, ii. 

 99-101 



Tees, Hooker on glacial moraines in 

 valley of, ii. 156 



Tegetmeier, W. B., assistance rendered 

 to Darwin by, i. 180, 181 ; letters to, 

 i. 180, 181, 223, 322 ; ii. 57-9 



Telegraph-plant, ii. 289 (see also 

 Desmodium) 



" Telliamed " (de Maillet), evolutionary 

 views of, i. 280 



Tendrils, morphology of, ii. 341-3 



Teneriffe, flora of, i. 410 ; ii. 9 ; violet 

 of Peak of, i. 494 ; Webb and 

 Humboldt on zones of, i. 492 



Tennent, Sir J. E., on elephants' tears, 

 ii. 99; on Utricularia, ii 404 



Tentacles, aggregation of protoplasm 

 in cells of plant-, ii. 369 



Teodoresco, on effect of excess of CO 2 

 on vegetation, ii. 21 



Teratology, Masters on vegetable, i. 

 148 ; Moquin Tandon on, i. 413 



Terebratula, i. 22 ; ii. 231 



Termites, compared with cleistogamic 

 flowers, ii. 360 ; F. Mliller's paper 

 on, ii. 360 



Terraces, Darwin on Patagonian, ii. 164 



Tertiary, Antarctic continent, Darwin 

 on existence of, ii. 13 ; Mastodon from 

 Shanghai, i. 211; flora in Madeira, 

 i. 482 



Tertiary period, action of sea and earth- 

 movement, ii. 120, 121 ; island floras 

 of the, i. 241 ; Saporta's work on 

 plants, i. 377 ; succession of types 

 during the, i. 132 ; Prestwich's work 

 on, ii. 230 



Testimonials, Darwin on, ii. 238 



Tetrabranchiata, Hyatt on the, i. 339 



Thayer's Letters of Chauncey Wright, 

 ii. in 



Theologians, Huxley on, ii. 232 



Theological articles, by Asa Gray, i. 161 



Theology, Darwin's opinion on, i. 321 



Theorising, observing and, i. 195 ; ii. 

 323 



Theory, Darwin's advice to Scott to be 

 sparing in use of, ii. 323 



Thibet, Hooker prohibited crossing 

 into, ii. 153 



Thierziicht, Settegast's, i. 324 



Thiselton-Dyer, Lady, ii. 414 



Thiselton-Dyer, Sir W., assists Darwin 

 in bloom-experiments, ii. 409 ; Dar- 

 win signs his certificate for R. Society, 

 ii. 423 ; lecture on plant distribution 

 as field for geographical research, ii. 

 418, 419 ; letter to Nature, from, i. 

 378 ; notes on letter from Darwin to 

 Btntham, i. 379 ; on partial sub- 

 mergence of Australia, i. 448 ; letters 

 to, ii. 301, 302, 398-402,408-19, 422, 

 423, 427, 428 ; extract from letter to, 

 ii. 212 ; on Darwin, ii. 333 



Thiselton-Dyer, Sir W., and Prof. 

 Dewar, on immersion of seeds in 

 liquid hydrogen, ii. 245 



Thlaspi alfestre, range of, i. 431 



Thompson, Prof. D'Arcy, prefatory 

 note by Darwin to his translation of 

 H. M tiller's book, ii. 391 



Thompson, W., natural-historian of 

 Ireland, i. 68 



Thomson, Sir W. : see Kelvin, Lord 



Thomson, Sir Wyville, on Natural 

 Selection, i. 388-9 ; mentioned, ii. 26 



Thomson, review of Jordan's Diagnoses 

 d'especes by, i. 474 



Thorns, forms of, i. 308 



Three Barriers, theological hash of old 

 abuse of Darwin, ii. 341 



Thury on sex, ii. 42 



Thwaites, G. H. K. , on Ceylon plants, 

 i. 260 ; letters to, i. 144, 145 ; ii. 90, 

 91 ; on the Origin, i. 144, 151 ; note 

 on, ii. 90 



Thymusy ii. 418 



Tieghem, Prof, van, on course of 

 vessels in orchid flowers, ii. 273 ; on 

 effect of flashing light on plants, ii. 



431 



Tierra del Fuego, i. ii, 16, 19, 42; 

 flora of, i. 400, 401, 410, 424; ii. 

 242, 243 ; comparison with Glen 

 Roy, ii. 179, 181, 184, 186 ; evidence 

 of glaciers in, ii. 150, 165 ; mica- 

 schists of, ii. 208 



Time, and evolutionary changes, i. 168; 

 " 5> 7 ; geological, i. 91, 313, 314; 

 ii- 5> 7 > 2 3> 1 S) J 63 ; meaning of 

 millions of years, ii. 163 ; Niagara as 

 measure of geological, ii. 150; rate 

 of deposition as measure of, ii. 23 ; 

 Wallace on geological, ii. 23 



Times, article by Huxley in, i. 135 ; 

 letter by FitzRoy in, i. 129 



