 | 1881 - 326 páginas
...colours, in order, if possible, to determine whether ants had the power of distinguishing different colours. For this purpose he utilised the dread which...over, the young would certainly be conveyed to the dark portion. In this manner he satisfied himself that the different rays of the spectrum act on them... | |
 | Sir Norman Lockyer - 1881 - 658 páginas
...had the power of distinguishing colours. For this purpose he utilised the dread which ants, when in their nest, have of light. Not unnaturally, if a nest...hundreds of experiments, that if he exposed to light the greater part of a nest, but left any part of it covered over, the young would certainly be conveyed... | |
 | Royal Microscopical Society (Great Britain) - 1881 - 1116 páginas
...had the power of distinguishing colours. For this purpose he utilized the dread which ants when in their nest have of light. Not unnaturally, if a nest...to a darker and, as they suppose, a safer place. He ascertained by hundreds of experiments that if he exposed to light most of the nest, but left any part... | |
 | Sir Norman Lockyer - 1881 - 664 páginas
...had the power of distinguishing colours. For this purpose he utilised the dread which ants, when in their nest, have of light. Not unnaturally, if a nest...their young away to a darker, and, as they suppose, a sater place. He satisfied himself, by hundreds of experiments, that if he exposed to light the greater... | |
 | Sir John Lubbock - 1888 - 400 páginas
...distinguishing colors. For this purpose I utilized the dislike which ants, when in their nest, have for light. Not unnaturally, if a nest is uncovered, they...away to a darker and, as they suppose, a safer place. I satisfied myself, by hundreds of experiments, that if I exposed to light the greater part of a nest,... | |
 | Sir Norman Lockyer - 1881 - 710 páginas
...had the power of distinguishing colours. For this purpose he utilised the dread which ants, when in their nest, have of light. Not unnaturally, if a nest...their young away to a darker, and, as they suppose, a sater place. He satisfied himself, by hundreds of experiments, that if he exposed to light the greater... | |
 | Linnean Society of London - 1881 - 612 páginas
...distinguishing colors. For this purpose I utilized the dislike which ants, when in their nest, have for light. Not unnaturally, if a nest is uncovered, they...away to a darker and, as they suppose, a safer place. I satisfied myself, by hundreds of experiments, that if I exposed to 1'ght the greater part of a nest,... | |
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Journ. voL xiv. p. 278) he had given a series of experiments made on ants with light of different colours, in order if possible to determine whether ants had the power of distinguishing colours. For this purpose he utilised the dread which ants, when... 