INDEX 



507 



Warming, E., Lehrbixh der okolo- 



gischen Pflanzengeographje, ii. 251 

 Washingtonia, i. 92 

 Wasps, power of building cells, ii. 96 

 Water, effect on leaves, ii. 410 (see 



also Rain) 



Water- \veed, Marshall on, i. 149 

 Waterhouse, G. R., review by Darwin 



of his book on Mammalia, i. 448 ; 



on skeletons of rabbits, ii. 210 ; 



on wide range of genera, i. 403 ; 



mentioned, i. 85 

 Waterloo, Darwin's recollections of, 



i- 3 



Waterton, i. 55 



Watson, H. C., alluded to, i. 409 ; 

 on the Azores, i. 407 ; on British 

 agrarian plants, i. 430 ; on northward 

 range of plants common to Britain 

 and America, i. 431 ; objection to 

 Darwin's views, i. 138 ; on Natural 

 Selection, i. 286 ; mentioned, i. 99, 

 105 ; ii. 263 



Waves, depth of action of, ii. 198 



Wax, secretion on leaves, ii. 361, 362 

 (see also Bloom) 



Wealden period, ii. 139 



Weale, J. P. M., sends locust dung 

 from Natal to Darwin, ii. 4 



Webb, on flora of Teneriffe, ii. i 



Wedgwood, Elizabeth, i. 156 



Wedgwood, Emma (Mrs. Darwin), 

 letter to, i. 29, 30 



W T edgwood, Hensleigh, i. 28 ; Darwin 

 visits, ii. 12 ; influenced by Lyell's 

 book on America, ii. 225 ; on Tyn- 

 ^dall, ii. 155 



Wedgwood, Josiah, letter to, i. 28 



Weeds, adaptation to cultivated ground, 

 i. 450 ; English versus American, i. 

 450 ; Asa Gray on pertinacity of, i. 

 450 



Weeping, physiology of, ii. 98 



Weir, H. W., on Cytisus, ii. 404, 405 



Weir, J. J., biographcial note, i. 319; 

 experiments on caterpillars, i. 357, 

 358 ; ii. 71 ; letters to, i. 319-21, 

 396, 397 ; " 64-72, 74, 75, 79-81, 

 83, 84, 103, 404-6 ; extract from 

 letter to Darwin from, i. 396 ; on 

 birds, ii. 70, 79 ; invited to Down, 

 ii. 81 ; value of his letters to Darwin, 

 ii. 68 ; mentioned, i. 309 



Weismann, A., Darwin asked to point 

 out how far his work follows same 

 lines as that of, i. 381 ; on dimorphism, 

 i. 356 ; Einjiuss der Isolirung, i. 344 ; 

 letters to, i. 310, 311, 356-8 ; ii. 95, 

 96 ; Meldola's translation of Sadies 

 in Descent, i. 350 ; Studies in Theory 



of Descent^ i. 397 ; faith in Sexual 

 Selection, ii. 97 



Wellingtonia, i. 92 



Wells, Dr., essay on dew, i. 254 ; 

 quoted by Darwin as having enun- 

 ciated principle of Natural Selection 

 before publication of Origin, ii. 377 



Welwitschia, Hooker's work on, i. 213, 

 467 ; ii. 284 ; Darwin on, ii. 428 ; a 

 "vegetable Ornithorhynchus" ii. 281 



Welwitschia mirabilis, seedlings of, ii. 

 427, 428 



Wenlock, coral limestone of, ii. 194 



West Indies, plants of, i. 260 ; coral 

 reefs, ii. 194 ; elevation and sub- 

 sidence of, ii. 147 ; orchids of, ii. 315 



Westminster Abbey, memorial to Lyell 

 ii. 238 



Westminster Review, Huxley's review 

 of the Origin in, i. 280 ; Wallace's 

 article, i. 305 



Westwood, J. O., biographical note, i. 

 80 ; on range of genera, i. 403 ; and 

 Royal medal, i. 80 ; mentioned, i. 



113, i?6 



Whales, Flower on, ii. 8 



W 7 heat, mummy, i. 151 ; fertilisation 



of, ii. 254, 291 ; forms of Russian, 



ii. 419-22 



Whewell, W. , i. 59, 61 

 Whiston, ii. 1 19 



Whitaker. W., on escarpments, ii. 211 

 White, F. B., letter to, ii. 20; on 



hemiptera of St. Helena, ii. 20 

 White, Gilbert, i. 55 ; Darwin writes 



an account of Down in the manner 



of, i. 33 



White, on regeneration, i. 235 

 Whiteman, R. G., letter to, i. 392, 393 

 W 7 hitney, on origin of language, ii. 45 

 "Wichura, Max, on hybrid willows, i. 



261 ; on hybridisation, ii. 157 

 Widow-bird, experiments on, ii. 58 

 Wiegmann, i. 101 



Wiesner, Prof. J., disagrees with Dar- 

 win's views on plant movement, ii. 

 370, 434 ; Das Bewegungsvermogen 

 der Pjianzen, ii. 432 ; on heliotropism, 

 ii. 431, 432 ; letter to, ii. 432. 433 

 Wigand, A., Der Darwinistnus . . ., 



i. 355 ; Jager's work contra, i. 355 

 Wight, Dr., on Cucurbitacese, i. 101 

 Wilberforce, Bishop, review in the 



Quarterly, i. 156 

 Wildness of game, i, 143, 144 

 W T ilkes' exploring expedition, Dana's 



volume in reports of, ii. 225, 226 

 Williamson, Prof. W. C., i. 195 

 Willis, J. C., reference to his Flowering 

 Plants and Ferns, ii. 294, 295 



