The Study of Animal LifeScribner, 1892 - Всего страниц: 375 |
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Стр. 10
... shells of most Molluscs are the jointed - footed animals or Arthro- pods , including on the one hand the almost exclusively aquatic crustaceans , crabs and lobsters , barnacles and " water - fleas , " and on the other hand the almost ...
... shells of most Molluscs are the jointed - footed animals or Arthro- pods , including on the one hand the almost exclusively aquatic crustaceans , crabs and lobsters , barnacles and " water - fleas , " and on the other hand the almost ...
Стр. 13
... shells of flint or lime whose crystalline architecture has great complexity . The simplest sponge is little more than a double - walled sack riddled by pores through which the water is lashed , but the Venus ' Flower - Basket ...
... shells of flint or lime whose crystalline architecture has great complexity . The simplest sponge is little more than a double - walled sack riddled by pores through which the water is lashed , but the Venus ' Flower - Basket ...
Стр. 15
... shells form the ooze of the great depths . In higher animals also an almost crystalline exactness of symmetry is often apparent , but we find more frequent illustration of graceful curves in form and feature , resulting in part from ...
... shells form the ooze of the great depths . In higher animals also an almost crystalline exactness of symmetry is often apparent , but we find more frequent illustration of graceful curves in form and feature , resulting in part from ...
Стр. 26
... shells . Inch by inch for myriads of years , the snow - drift of dead shells forms a patient preparation for the coral island . The tiniest , hardly bigger than the wind - blown dust , form when added together the strongest foundation ...
... shells . Inch by inch for myriads of years , the snow - drift of dead shells forms a patient preparation for the coral island . The tiniest , hardly bigger than the wind - blown dust , form when added together the strongest foundation ...
Стр. 27
... shells of the tenderest beauty on the rugged shoulders of the volcano ; corals like meadow flowers on the graveyard of the ooze ; at last plants and trees , the hum of insects and the song of birds , over the coral island . " " 4 ...
... shells of the tenderest beauty on the rugged shoulders of the volcano ; corals like meadow flowers on the graveyard of the ooze ; at last plants and trees , the hum of insects and the song of birds , over the coral island . " " 4 ...
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action activity adult Amphibians ants backboned become begin Biology birds bivalves body brain 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 medusoids molluscs Natural History natural selection naturalists nervous nest notochord observed offspring organism origin ovum parasites parents plants Prof progress Protists protoplasm Protozoa recognise regard reproductive cells reptiles result sea-anemones seems shells simplest animals skin sometimes species spermatozoa spiders sponges strange structure struggle for existence 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.