The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 46
Pagina 7
... Fragments of brick in the castings over ancient buildings well rounded . The triturating power of worms not quite insignificant under a geological point of view Page 230-258 · CHAPTER VI . THE DENUDATION OF THE LAND - continued ...
... Fragments of brick in the castings over ancient buildings well rounded . The triturating power of worms not quite insignificant under a geological point of view Page 230-258 · CHAPTER VI . THE DENUDATION OF THE LAND - continued ...
Pagina 7
... fragments of burnt marl , cinders , & c . , which had been thickly strewed over the surface of several meadows , were found after a few years lying at the depth of some inches beneath the turf , but still forming a layer . This apparent ...
... fragments of burnt marl , cinders , & c . , which had been thickly strewed over the surface of several meadows , were found after a few years lying at the depth of some inches beneath the turf , but still forming a layer . This apparent ...
Pagina 55
... were seized could be observed . The worms always endeavoured to drag the leaves towards their burrows ; and they tore or sucked off small fragments , whenever the leaves were suffi- ciently tender . They generally seized tha thin edge of.
... were seized could be observed . The worms always endeavoured to drag the leaves towards their burrows ; and they tore or sucked off small fragments , whenever the leaves were suffi- ciently tender . They generally seized tha thin edge of.
Pagina 108
... fragment of a leaf thus drawn in . Nor could any trace be discovered of the worms having crawled down the ex- terior surfaces of the towers in search of leaves ; and had they done so , tracks would almost certainly have been left on the ...
... fragment of a leaf thus drawn in . Nor could any trace be discovered of the worms having crawled down the ex- terior surfaces of the towers in search of leaves ; and had they done so , tracks would almost certainly have been left on the ...
Pagina 112
... fragments of other leaves which had been given the worms as food . Glass beads and bits of tile , which had been strewed on the surface of the soil , were stuck into the inter- stices between the pine - leaves ; and these interstices ...
... fragments of other leaves which had been given the worms as food . Glass beads and bits of tile , which had been strewed on the surface of the soil , were stuck into the inter- stices between the pine - leaves ; and these interstices ...
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 - 1898 |
The formation of vegetable mould, through the action of worms, with Charles Darwin Vizualizare completă - 1897 |
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.