The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 7
... BROUGHT UP BY WORMS TO THE SURFACE . Rate at which various objects strewed on the surface of grass - fields are covered up by the castings of worms -The burial of a paved path - The slow subsidence of great stones left on the surface ...
... BROUGHT UP BY WORMS TO THE SURFACE . Rate at which various objects strewed on the surface of grass - fields are covered up by the castings of worms -The burial of a paved path - The slow subsidence of great stones left on the surface ...
Pagina 7
... brought up to the surface by worms in the form of castings . These castings are sooner or later * Transactions Geolog . Soc . ' vol . v . p . 505. Read Novera- ber 1 , 1837 . spread out and cover up any object left on the INTRODUCTION . 3.
... brought up to the surface by worms in the form of castings . These castings are sooner or later * Transactions Geolog . Soc . ' vol . v . p . 505. Read Novera- ber 1 , 1837 . spread out and cover up any object left on the INTRODUCTION . 3.
Pagina 24
... brought into play , is often regardless of light , are opposed to the view of the sudden withdrawal being a simple reflex action . With the higher animals , when close attention to some object leads to the disregard of the impressions ...
... brought into play , is often regardless of light , are opposed to the view of the sudden withdrawal being a simple reflex action . With the higher animals , when close attention to some object leads to the disregard of the impressions ...
Pagina 56
... brought into contact with an object of this kind , was drawn within the adjoining rings , so that it appeared truncated and became as thick as the rest of the body . This part could then be seen to swell a little ; and this , I believe ...
... brought into contact with an object of this kind , was drawn within the adjoining rings , so that it appeared truncated and became as thick as the rest of the body . This part could then be seen to swell a little ; and this , I believe ...
Pagina 100
... ; and their castings consisted partly of the reddish sand and partly of black earth brought up from beneath the mass . sand had been dug up from a considerable This depth , and was of so poor a nature that 100 CHAP . II . HABITS OF WORMS .
... ; and their castings consisted partly of the reddish sand and partly of black earth brought up from beneath the mass . sand had been dug up from a considerable This depth , and was of so poor a nature that 100 CHAP . II . HABITS OF WORMS .
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.