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F1416    Book contribution:     [Extracts from Darwin's notes throughout.] 1882. In Romanes, G. J., Animal intelligence. London: Kegan Paul Trench & Co.   Text   Image   PDF
back without doing considerable damage to the web, generally gumming together the sticky parallel threads in groups of three and four. By means of a tuning-fork a spider may be made to eat what it would otherwise avoid. I took a fly that had been drowned in paraffin and put it into a spider's web, and then attracted the spider by touching the fly with a fork. When the spider had come to the conclusion that it was not suitable food, and was leaving it, I touched the fly again. This had the same
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F1416    Book contribution:     [Extracts from Darwin's notes throughout.] 1882. In Romanes, G. J., Animal intelligence. London: Kegan Paul Trench & Co.   Text   Image   PDF
observations on the garden spider which are I believe new, I send a short account of them, in the hope that they may be of interest to the readers of Nature. Last autumn, while watching some spiders spinning their beautiful geometrical webs, it occurred to me to try what effect a tuning-fork would have upon them. On sounding an A fork, and lightly touching with it any leaf or other support of the web, or any portion of the web itself, I found that the spider, if at the centre of the web, rapidly
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F1416    Book contribution:     [Extracts from Darwin's notes throughout.] 1882. In Romanes, G. J., Animal intelligence. London: Kegan Paul Trench & Co.   Text   Image   PDF
pelicans, 284 Bosc, on migrating fish, 248 Bower-bird, instincts of, 279-81, 325 Bowman, Parker, his cat opening swivel of window, 425 Boys, C. V., his experiments with a tuning-fork on spiders, 206, 207 Brehm, on wasps recognising persons, 188; intelligence of lapwing, 315, 316; curiosity of monkeys, 477 Broderip, on vindictiveness of elephant, 389 Brodie, Sir B., his definition of instinct, 15; on bees strengthening their combs, 185,186 Brofft, Herr L., on powers of communication in bees, 160
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