The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 7
... plugging up the mouths of their burrows - Stones piled over the burrows— The advantages thus gained - Intelligence shown by worms in their manner of plugging up their burrows -Various kinds of leaves and other objects thus used ...
... plugging up the mouths of their burrows - Stones piled over the burrows— The advantages thus gained - Intelligence shown by worms in their manner of plugging up their burrows -Various kinds of leaves and other objects thus used ...
Pagina 55
... plugging up the mouths of their burrows-- Stones piled over the burrows - The advantages thus gained— Intelligence shown by worms in their manner of plugging up their burrows - Various kinds of leaves and other objects thus used ...
... plugging up the mouths of their burrows-- Stones piled over the burrows - The advantages thus gained— Intelligence shown by worms in their manner of plugging up their burrows - Various kinds of leaves and other objects thus used ...
Pagina 58
... plugging up the mouths of their burrows ; and this is one of their strongest instincts . Leaves and petioles of many kinds , some flower - pedun- cles , often decayed twigs of trees , bits of paper , feathers , tufts of wool and horse ...
... plugging up the mouths of their burrows ; and this is one of their strongest instincts . Leaves and petioles of many kinds , some flower - pedun- cles , often decayed twigs of trees , bits of paper , feathers , tufts of wool and horse ...
Pagina 60
... plugging them up and for food , but for the sake of lining the upper part or mouth . When worms cannot obtain leaves , petioles , sticks , & c . , with which to plug up the mouths of their burrows , they often protect them by little ...
... plugging them up and for food , but for the sake of lining the upper part or mouth . When worms cannot obtain leaves , petioles , sticks , & c . , with which to plug up the mouths of their burrows , they often protect them by little ...
Pagina 61
... plugging up the mouths of their burrows with leaves , & c . , or from piling stones over them , is doubtful . They do not act in this manner at the times when they eject much earth from their burrows ; for their castings then serve to ...
... plugging up the mouths of their burrows with leaves , & c . , or from piling stones over them , is doubtful . They do not act in this manner at the times when they eject much earth from their burrows ; for their castings then serve to ...
Alte ediții - Afișează-le pe toate
The Formation of Vegetable Mould: Through the Action of Worms, with ... Charles Darwin Vizualizare completă - 1896 |
The formation of vegetable mould, through the action of worms, with Charles Darwin Vizualizare completă - 1897 |
The Formation of Vegetable Mould, Through the Action of Worms, with ... Charles Darwin Vizualizare completă - 1890 |
Termeni și expresii frecvente
accumulated acetic acid acid action of worms alimentary canal amount angle animals apex appear basal base Beaulieu Abbey beneath the surface blown bodies brought buried burrows calciferous carbonic acid cells cent chalk Cloth concrete covered depth disintegration doubt dragged drawn earth feet field flints floor formed fragments gizzards glands grass ground heavy rain Hensen holes Illustrations inches beneath inches deep inches in thickness inches thick intestines JOSEPH LE CONTE Knole Park lamellæ land large number larvæ layer leaf leaves ledges Leith Hill Place lime Maer Hall manner matter mortar mouths nearly objects observed particles pasture pavement penetrated Perrier petioles pharynx places ploughed plugging pots probably Roman villa rubbish sand seen seized side Silchester slope soil species square yard Stonehenge stones subsided swallowed tesselated tiles tips trench triangles triturated turf upper vegetable mould walls washed weather weight whilst worm-castings worms
Pasaje populare
Pagina 1 - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance
Pagina 2 - XVIII. THE NATURE OF LIGHT. With a General Account of Physical Optics.
Pagina 2 - XXIII. Studies in Spectrum Analysis. By J. Norman Lockyer, FRS With six photographic Illustrations of Spectra, and numerous engravings on Wood.