The Study of Animal LifeScribner, 1892 - Всего страниц: 375 |
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Стр. 39
... divide into two parties and migrate up and down stream . The old proverb which Grant Allen quotes , Homo homini lupus , appears to me a libellous inaccuracy ; the extension of the libel to the animal world has certainly not been ...
... divide into two parties and migrate up and down stream . The old proverb which Grant Allen quotes , Homo homini lupus , appears to me a libellous inaccuracy ; the extension of the libel to the animal world has certainly not been ...
Стр. 79
... divide their labour and indulge in play , wage wars and make slaves . Like the bee - hive , the ant - nest includes three kinds of individuals— a queen mother or more than one , a number of short - lived males , and a crowd of workers ...
... divide their labour and indulge in play , wage wars and make slaves . Like the bee - hive , the ant - nest includes three kinds of individuals— a queen mother or more than one , a number of short - lived males , and a crowd of workers ...
Стр. 88
... divides ; so do most of the Protozoa . But when a Protozoon divides , the results separate and live in- dependent lives ; when an egg - cell divides , the results of division cohere . Therefore , the whole life of higher animals depends ...
... divides ; so do most of the Protozoa . But when a Protozoon divides , the results separate and live in- dependent lives ; when an egg - cell divides , the results of division cohere . Therefore , the whole life of higher animals depends ...
Стр. 91
... divide the labours of the family . " Children , " Lucretius said , " children with their caresses broke down the haughty temper of parents . " The fifth step is the combination of families into a society , such as we find illustrated by ...
... divide the labours of the family . " Children , " Lucretius said , " children with their caresses broke down the haughty temper of parents . " The fifth step is the combination of families into a society , such as we find illustrated by ...
Стр. 137
... divide until there may be hundreds in place of a single one . The image we must form of this increase of living matter is that step by step substances of an ever - growing complexity are made , one from the other , until at last a ...
... divide until there may be hundreds in place of a single one . The image we must form of this increase of living matter is that step by step substances of an ever - growing complexity are made , one from the other , until at last a ...
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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.