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able action already animal ants appear attack become bees birds body brought building called carried cells circumstances close communicated continued course covered dead direction display distance door doubt eggs elephant evidence experiment fact feet fish four further gives habit hand head hive hold honey immediately inches individuals insects instance instinct intelligence interesting kind latter leaves legs length less looking manner mind moved Nature nest never object observed occasion once pass pieces present probably queen quote reach reason regard remained remarkable result returned round says seems seen side similar sometimes soon species spider sufficient surface taken thing took tree turned usually wall wasp watched whole workers writes young
Página 171 - Maclaurin, by a fluxionary calculation, which is to be found in the Transactions of the Royal Society of London. He has determined precisely the angle required ; and he found, by the most exact mensuration the subject could admit, that it is the very angle in which the three planes in the bottom of the cell of a honeycomb do actually meet.
Página 359 - ... knee. He was ill three days, during which time I nursed him ; kept him apart from his fellows, that they might not molest him (for, like many other wild animals, they persecute one of their own species that is sick) and, by constant care, and trying him with a variety of herbs, restored him to perfect health. No creature...
Página 302 - ... 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.
Página 360 - ... repast. I had not long habituated him to this taste of liberty, before he began to be impatient for the return of the time when he might enjoy it. He would invite me to the garden by drumming upon my knee, and by a look of such expression as it was not possible to mis* interpret.
Página 27 - These animals appear also susceptible of some degree of permanent attachment: an accurate observer, Mr. Lonsdale, informs me that he placed a pair of land-snails (Helix pomatia), one of which was weakly, into a small and ill-provided 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 of twenty-four hours it...