The Study of Animal LifeScribner, 1892 - Всего страниц: 375 |
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Стр. 2
... nest of the lapwings , though they decoy him away with prayerful cries , who catches the speckled trout in spite of all their caution , and laughs at the ants as they expend hours of labour on booty not worth the having , is laying the ...
... nest of the lapwings , though they decoy him away with prayerful cries , who catches the speckled trout in spite of all their caution , and laughs at the ants as they expend hours of labour on booty not worth the having , is laying the ...
Стр. 8
... nest " of mud , has learned to breathe in air as well as in water ; the amphibians really mark the transition from water to dry land , and usually rehearse the story in each individual life as they grow from fish - like tadpoles into ...
... nest " of mud , has learned to breathe in air as well as in water ; the amphibians really mark the transition from water to dry land , and usually rehearse the story in each individual life as they grow from fish - like tadpoles into ...
Стр. 61
... nests of birds are often well disguised with moss and lichen . But among marine animals masking is more frequent . " Certain sea - urchins , " Mr Poulton says , 66 cover themselves so completely with pebbles , bits of rock and shell ...
... nests of birds are often well disguised with moss and lichen . But among marine animals masking is more frequent . " Certain sea - urchins , " Mr Poulton says , 66 cover themselves so completely with pebbles , bits of rock and shell ...
Стр. 72
... nest together , and the sociality is often advantageous . Kropotkine cites from Dr. Coues an observation in regard to some little cliff- swallows which nested in a colony quite near the home of a prairie - falcon . " The little peaceful ...
... nest together , and the sociality is often advantageous . Kropotkine cites from Dr. Coues an observation in regard to some little cliff- swallows which nested in a colony quite near the home of a prairie - falcon . " The little peaceful ...
Стр. 78
... nest with honey and pollen stored around the eggs that the hive seems to have begun . 6. Ants .-- Even more suggestive of our own social organ- isation is the Liliputian world of the ants , who 78 PART I The Study of Animal Life.
... nest with honey and pollen stored around the eggs that the hive seems to have begun . 6. Ants .-- Even more suggestive of our own social organ- isation is the Liliputian world of the ants , who 78 PART I The Study of Animal Life.
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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.