The Formation of vegetable mould, through the action of worms, with observations on their habitsJ. Murray, 1895 - 328 pagini |
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Pagina
... point of view Page 230-258 · The CHAPTER VI . THE DENUDATION OF THE LAND - continued . Denudation aided by recently ejected castings flowing down inclined grass - covered surfaces - The amount of earth which annually flows downwards ...
... point of view Page 230-258 · The CHAPTER VI . THE DENUDATION OF THE LAND - continued . Denudation aided by recently ejected castings flowing down inclined grass - covered surfaces - The amount of earth which annually flows downwards ...
Pagina
... point of view Page 230-258 · The CHAPTER VI . THE DENUDATION OF THE LAND - continued . Denudation aided by recently ejected castings flowing down inclined grass - covered surfaces - The amount of earth which annually flows downwards ...
... point of view Page 230-258 · The CHAPTER VI . THE DENUDATION OF THE LAND - continued . Denudation aided by recently ejected castings flowing down inclined grass - covered surfaces - The amount of earth which annually flows downwards ...
Pagina 56
... point of resistance for the upper lip . In the case of broad flat objects they acted in a wholly different manner . The pointed anterior extremity of the body , after being brought into contact with an object of this kind , was drawn ...
... point of resistance for the upper lip . In the case of broad flat objects they acted in a wholly different manner . The pointed anterior extremity of the body , after being brought into contact with an object of this kind , was drawn ...
Pagina 72
... points were cut off many leaves for a length of about one inch , and fifty - seven of them thus treated were drawn into the burrows by their bases , and not one by the cut - off ends . The worms in confinement often seized the needles ...
... points were cut off many leaves for a length of about one inch , and fifty - seven of them thus treated were drawn into the burrows by their bases , and not one by the cut - off ends . The worms in confinement often seized the needles ...
Pagina 73
... point very near the base was seized , and the leaf was then quickly dragged or rather jerked into their burrows . It ... points of the needles partly inserted into a burrow , but how placed there was not seen ; and then the worm reared ...
... point very near the base was seized , and the leaf was then quickly dragged or rather jerked into their burrows . It ... points of the needles partly inserted into a burrow , but how placed there was not seen ; and then the worm reared ...
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...