Animal intelligence (treatise).D. Appleton, 1882 - 520 páginas |
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Página 57
... workers and increased in number , and there is a great commotion on the sur- face of the nest . The swarm takes place as a thick cloud of all the male and female insects , rising together to a considerable height . The flight continues ...
... workers and increased in number , and there is a great commotion on the sur- face of the nest . The swarm takes place as a thick cloud of all the male and female insects , rising together to a considerable height . The flight continues ...
Página 58
... workers keep back a certain number of females which are fertilised before the swarming takes place ; in this case the workers pull off the wings of the fertilised females . The majority of observers , how- ever , maintain that some of ...
... workers keep back a certain number of females which are fertilised before the swarming takes place ; in this case the workers pull off the wings of the fertilised females . The majority of observers , how- ever , maintain that some of ...
Página 59
... workers assist them to get out of their larval cases by biting through the walls of the latter . It is noticeable that in doing this the workers do not keep to any exact time , but free them sometimes earlier and sometimes later , in ...
... workers assist them to get out of their larval cases by biting through the walls of the latter . It is noticeable that in doing this the workers do not keep to any exact time , but free them sometimes earlier and sometimes later , in ...
Página 63
... distant branches , and setting them on the young leaves.1 Again- MacCook noticed , of the mound - making ants , that of the 1 Loc . cit . p . 121 . workers returning to the nest from the tree on which ANTS KEEPING APHIDES . 63.
... distant branches , and setting them on the young leaves.1 Again- MacCook noticed , of the mound - making ants , that of the 1 Loc . cit . p . 121 . workers returning to the nest from the tree on which ANTS KEEPING APHIDES . 63.
Página 64
George John Romanes. workers returning to the nest from the tree on which the milk- ing was going on , a far smaller number had distended abdomens than among those descending the tree itself . A closer investi- gation showed that at the ...
George John Romanes. workers returning to the nest from the tree on which the milk- ing was going on , a far smaller number had distended abdomens than among those descending the tree itself . A closer investi- gation showed that at the ...
Outras edições - Ver tudo
Animal Intelligence the International Scientific Series, Vol. XLIV. Romanes George J Pré-visualização indisponível - 2016 |
Animal Intelligence; The International Scientific Series, Vol. XLIV. George John Romanes Pré-visualização indisponível - 2021 |
Palavras e frases frequentes
acineta action Amazons animal animal intelligence antennæ ants aphides appear attack bait beavers bees birds Büchner burrows carried caterpillar cells circumstances close communicated companions cuckoo Darwin dead direction display distance door Ecitons eggs elephant emotions entrance evidence experiment fact feet female fish Forel formicarium glass habit Harvesting Ants head hive hole honey Huber inches insects instance instinct intelligence killed labour larva larvæ latter leaves legs MacCook male mandibles manner mental monkey natural selection Nature nest never object observed pieces pond prey propolis pulled pupa queen quote rabbits reason reflex action remarkable returned round says seeds seems seen seized side similar Sir John Lubbock soon species spider sufficient surface terrier thread tion took tree trunk turned wall wasp watched whole window workers yards young
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Página 138 - A nest was made near one of our tramways, and to get to the trees the ants had to cross the rails, over which the waggons were continually passing and repassing. Every time they came along a number of ants were crushed to death. They persevered in crossing for some time, but at last set to work and tunnelled underneath each rail. One day, when the waggons were not running, I stopped up the tunnels with stones ; but although great numbers carrying leaves were thus cut off from the nest, they would...
Página 27 - Lonsdale, informs me that he placed a pair of landsnails (Helix pomatia), one of which was weakly, in a small and illprovided garden. After a short time the strong and healthy individual disappeared, and was traced by its track of slime over a wall into an adjoining well-stocked garden. Mr. Lonsdale concluded that it had deserted its sickly mate; but after an absence...
Página 300 - ... its load with a jerk, and quite disengaged it from the nest. It remained in this situation a short time, feeling about with the extremities of its wings, as if to be convinced whether the business was properly executed, and then dropped into the nest again.