The Study of Animal LifeScribner, 1892 - Всего страниц: 375 |
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Стр. viii
... action - 4 . Beavers - 5 . Bees - 6 . Ants -7 . Termites - 8 . Evolution of social life - 9 . Advantages of social life - 10 . A note on " the social organism " — -II . Con- clusions . 67-94 CHAPTER VI THE DOMESTIC LIFE OF ANIMALS 1 ...
... action - 4 . Beavers - 5 . Bees - 6 . Ants -7 . Termites - 8 . Evolution of social life - 9 . Advantages of social life - 10 . A note on " the social organism " — -II . Con- clusions . 67-94 CHAPTER VI THE DOMESTIC LIFE OF ANIMALS 1 ...
Стр. 7
... action ; to watch a tiny speck that can sail through the prick of a needle's point ; to see its crystal armour flashing with ever - varying tints , its head glorious with the halo of its quivering cilia ; to see it gliding through the ...
... action ; to watch a tiny speck that can sail through the prick of a needle's point ; to see its crystal armour flashing with ever - varying tints , its head glorious with the halo of its quivering cilia ; to see it gliding through the ...
Стр. 26
... action of the breakers begins , great severed masses are piled up or roll down the sloping sides . Clear daylight at last is reached , the mound rises above the water . The foundations are ever broadened , as vigorously out - growing ...
... action of the breakers begins , great severed masses are piled up or roll down the sloping sides . Clear daylight at last is reached , the mound rises above the water . The foundations are ever broadened , as vigorously out - growing ...
Стр. 27
... action repented of when the rain - storms wash the hills to skeletons , when the valley is flooded and the local climate altered , and when the birds robbed of their shelter leave the district to be ravaged by caterpillar and fly ...
... action repented of when the rain - storms wash the hills to skeletons , when the valley is flooded and the local climate altered , and when the birds robbed of their shelter leave the district to be ravaged by caterpillar and fly ...
Стр. 31
... action . Thus , to take only one instance among a hundred , it may seem a far cry from a lady's toilet - table to the African slave - trade , but when we remember the ivory backs of the brushes , and how the slaves are mainly used for ...
... action . Thus , to take only one instance among a hundred , it may seem a far cry from a lady's toilet - table to the African slave - trade , but when we remember the ivory backs of the brushes , and how the slaves are mainly used for ...
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action active adult Amphibians ants backboned become begin Biology birds bivalves body brain buds called carbonic carbonic acid Chambers's Encyclop changes characteristic ciliated colony colour complex corals crab creatures crustaceans cuttlefish Darwin division of labour earth Echinoderms egg-cell eggs embryo Encyclopædia Encyclopædia Britannica energy Erasmus Darwin evolution Evolution of Sex fact female fertilised fishes food-canal freshwater frog function grow habit Haeckel heredity higher animals hydroid individual influence Infusorians insects instincts jellyfish kinds lancelet larvæ less living matter Lond male mammals mates medusoids molluscs Natural History natural selection naturalists nervous nest notochord observed offspring organism origin ovum parasites parents plants Prof progress Protists protoplasm Protozoa realised recognise regard reproductive cells reptiles result sea-anemones seems shells simplest animals skin sometimes species spermatozoa spiders sponges strange structure substances suggest surroundings theory tion tissues units variations Vertebrate worms young Zoea zoology
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Стр. 339 - THERE was a child went forth every day, And the first object he look'd upon, that object he became, And that object became part of him for the day or a certain part of the day, Or for many years or stretching cycles of years.
Стр. 174 - I believe a leaf of grass is no less than the journey-work of the stars, And the pismire is equally perfect, and a grain of sand, and the egg of the wren, And the tree-toad is a...
Стр. 297 - Doing this, and making the requisite addition, the formula finally stands thus :—Evolution is an integration of matter and concomitant dissipation of motion; during which the matter passes from an indefinite, incoherent homogeneity to a definite, coherent heterogeneity ; and during which the retained motion undergoes a parallel transformation.
Стр. 44 - When we reflect on this struggle, we may console ourselves with the full belief, that the war of nature is not incessant, that no fear is felt, that death is generally prompt, and that the vigorous, the healthy, and the happy survive and multiply.
Стр. 262 - It scarcely breathes with its one lung (the other shrivelled and abortive) ; it is passive to the sun and shade, and is cold or hot like a stone ; yet " it can outclimb the monkey, outswim the fish, outleap the zebra, outwrestle the athlete, and crush the tiger.
Стр. 289 - Fifthly, from their first rudiment, or primordium, to the termination of their lives, all animals undergo perpetual transformations, which are in part produced by their own exertions in consequence of their desires and aversions, of their pleasures and pains, or of irritations, or of associations; and many of these acquired forms or propensities are transmitted to their posterity.
Стр. 33 - I should premise that I use the term Struggle for Existence in a large and metaphorical sense, including dependence of one being on another, and including (which is more important) not only the life of the individual, but success in leaving progeny.
Стр. 24 - It may be doubted whether there are many other animals which have played so important a part in the history of the world, as have these lowly organized creatures.
Стр. 23 - Earth-worms, though in appearance a small and despicable link in the chain of Nature, yet, if lost, would make a lamentable chasm.
Стр. 289 - As air and water are supplied to animals in sufficient profusion, the three great objects of desire, which have changed the forms of many animals by their exertions to gratify them, are those of lust, hunger and security.