The Formation of vegetable mould, through the action of worms, with observations on their habitsJ. Murray, 1895 - 328 pagini |
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Pagina
... seize objects - Their power suction — The instinct of 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 ...
... seize objects - Their power suction — The instinct of 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 ...
Pagina
... seize objects - Their power suction - The instinct of 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 ...
... seize objects - Their power suction - The instinct of 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 ...
Pagina 55
... seize objects - Their power of suction- The instinct of 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 ... seized the thin edge of.
... seize objects - Their power of suction- The instinct of 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 ... seized the thin edge of.
Pagina 56
Charles Darwin. ciently tender . They generally seized the thin edge of a leaf with their mouths , between the projecting upper and lower lip ; the thick and strong pharynx being at the same time , as Perrier remarks , pushed forward ...
Charles Darwin. ciently tender . They generally seized the thin edge of a leaf with their mouths , between the projecting upper and lower lip ; the thick and strong pharynx being at the same time , as Perrier remarks , pushed forward ...
Pagina 58
... seize leaves and other objects , not only to serve as food , but for 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 ...
... seize leaves and other objects , not only to serve as food , but for 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 ...
Alte ediții - Afișează-le pe toate
Darwin on Humus and the Earthworm: The Formation of Vegetable Mould Through ... Charles Darwin Vizualizare fragmente - 1966 |
Termeni și expresii frecvente
9 inches accumulated acetic acid acid action of worms alimentary canal amount angles animals apex apical appears basal base Beaulieu Abbey beneath the surface broken buried burnt marl burrows cent chalk cinders close concrete covered depth diameter disintegration dragged drawn earth feet field flints floor formed fragments gizzards glands grass ground heavy rain Hensen holes hypocausts Illustrations inches beneath inches deep inches in length inches in thickness inches thick intestines Joyce Knole Park lamellæ land large number larvæ layer leaf leaves Leith Hill Place lime Maer Hall manner matter mortar mouths nearly northern room objects observed particles pasture pavement penetrated petioles pharynx pine-leaves 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 undisturbed upper vegetable mould walls washed weather weight whilst worm-castings worms
Pasaje populare
Pagina 322 - OUTINGS AT ODD TIMES. By CHARLES C. ABBOTT, author of " Days out of Doors " and " A Naturalist's Rambles about Home." i6mo. Cloth, gilt top, $1.25. " A charming little volume, literally alone with Nature, for it discusses seasons and the fields, birds, etc., with the loving freedom of a naturalist born. Every page reads like a sylvan poem; and for the lovers of the beautiful in quiet...