I N ! 





Tail, \Y. C, letter to, ii. 3 S 1 , 38a 

 rudimentary tails ii = 

 cat-, ii. (82 ; ends D osophyllum to 

 i iw in, ii. 

 Talbot, Mr,. 1. , letter to, ii. \ 

 Ion, Moquii . tnts dc \ 



toL 1 ;. 414 



Tankerville, Lord, i. 

 : 



ind,i. 410; Hook 

 !, i. 163 

 I 1. \V.. / 1 f t tif/J Corresj, 



ii. 120 

 Tears, aiul muscular contraction, ii. 



1 1 

 Tee . ! 1 moraines in 



valley < 



ince ren 

 to Darwin by, i. 180, 1S1 ; let f ei 

 i. 180, i8l, 223, 322 ; ii. 57-9 

 Telegraph-plant, ii. 289 (see also 



■nodi urn) 

 " 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 Utrieularia, ii 404 

 Tentacles, aggregation of protoplasm 



in cells of plant-, ii. 369 

 Teodoresco, on effect of excess of CO a 



on vegetation, ii. 21 

 Teratology, Masters on vegetable, i. 



14S ; Moquin Tandon on, i. 413 

 Terebratula, i. 22 ; ii. 231 



aites, compared with cleistogamic 

 flowers, ii. 360 ; V. Midler's j 

 on, ii. 360 



ices, Darwin on Patagonian, ii. 164 

 Tertiary, Antarctic continent, Darwin 

 on existence of, ii. 1 ; from 



Shanghai, i. 211; flora in Madi 

 i. 482 

 Tertiary period, action of sea and earth- 

 movement, ii. 120, 121 ; island iloras 

 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 1 Wright, 



ii. HI 

 Theologians, Huxley on, ii. 232 

 Theological articles, by Asa (..ray. i. 161 

 Theology, Darwin's opinion on. i. 321 

 Theorising, observing and, i. 195 ; ii. 



The 



ring in use of, ii. 



Thib 



Thierzut 



. ii. 414 

 Thiselton-1 >yei . Sir V 



in ii. 409 ; I 



win 



ii. 423 ; lecture on l 



1 , 1 1 arch, ii. 



418 419 ; iettc from, i. 



378; notes on letter from Darwin to 

 Bentham, i. 379 ; on partial sub- 

 mei B ; letters 



to, ii. 3OI, 302, 39S-402,408-I9, .. 



423, 427, 4. 



ii. 212 : .vin, ii. 333 



Thiselton-Dj W., and I 



war, on immersion of seeds in 

 liquid hydrogen, ii. 245 

 'J/1... . i. 431 



a, Prof. D'Arcy, prel 

 note by Darwin to his translation of 

 11. Mid! ';, ii. 391 



Thompson, \\\, natural-historian of 

 [relan I, i. 68 

 • mson, Sir W. : see Kelvin, L 

 Thomson, Sir Wyville, on Natural 

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

 Thomson, review of Jordan's Diagnoses 



dc \. i. 474 



Thorns, forms of, i. 308 



. Barriers, theological hash of old 

 abu : win, ii. 341 



Thury on sex. ii. 



Thwaites, '■. II. K., • a plants, 



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



.. 144, 151 : : 

 on, ii. 90 



1 1 8 

 Tieghem, Prof, van, on cours 

 el- in orchid flowers, ii 

 effect of flashing light on plants, ii. 



431 

 Tierra del Fuego, i. II, 16. 19, 42: 



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

 242, 243 ; comparison with Glen 

 Ro] , 181, 184, ii 



of glaciers in, ii. 150. 105 ; n 



Time, and evolutionary changes, i. I 

 ii. 5, 7 j 313, 314; 



ii. 5, 7, 23. 150. 1 

 million- 

 measure oi . al, ii. 150; rate 

 of deposition as measure of, ii. 23 : 

 Wall lc« I, ... 23 



.>, article bj f in. i. 1 35 : 



let. tzRoy in. i. 120 



