The Study of Animal LifeScribner, 1892 - Всего страниц: 375 |
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Стр. vi
... hints while the book was passing through the press , and Mr. Ricardo Stephens was good enough to read the proof sheets . J. A. T. SCHOOL OF MEDICINE , EDINBURGH , May 1892 CONTENTS PART I THE EVERYDAY LIFE OF ANIMALS CHAPTER I vi Preface.
... hints while the book was passing through the press , and Mr. Ricardo Stephens was good enough to read the proof sheets . J. A. T. SCHOOL OF MEDICINE , EDINBURGH , May 1892 CONTENTS PART I THE EVERYDAY LIFE OF ANIMALS CHAPTER I vi Preface.
Стр. 1
... passes of the woods , or the razor - billed auk sailing far north to Labrador , " we can watch our own delightful birds building their " homes without hands , " we can study the frogs from the time that they trumpet in the early spring ...
... passes of the woods , or the razor - billed auk sailing far north to Labrador , " we can watch our own delightful birds building their " homes without hands , " we can study the frogs from the time that they trumpet in the early spring ...
Стр. 20
... passes in , as a condition of life or com- bustion , and carbonic acid gas passes out as a waste - pro- duct . Herein there is no difference except in degree between plant and animal . Each lives , and must therefore breathe . But the ...
... passes in , as a condition of life or com- bustion , and carbonic acid gas passes out as a waste - pro- duct . Herein there is no difference except in degree between plant and animal . Each lives , and must therefore breathe . But the ...
Стр. 22
... pass annually through their bodies , and that they bring up mould to the surface at the rate of 3 inches thickness in fifteen years . Hensen found in his garden 64 large worm - holes in 14 square feet , and estimated the weight of the ...
... pass annually through their bodies , and that they bring up mould to the surface at the rate of 3 inches thickness in fifteen years . Hensen found in his garden 64 large worm - holes in 14 square feet , and estimated the weight of the ...
Стр. 52
... pass- ing cloud may cause the bright emerald to fade . " Some- times they may be thus protected , for " when on the ... passing from the centre along the peripheral nerves influ- ences the blood - supply in the skin ; but in colour ...
... pass- ing cloud may cause the bright emerald to fade . " Some- times they may be thus protected , for " when on the ... passing from the centre along the peripheral nerves influ- ences the blood - supply in the skin ; but in colour ...
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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.