The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 7
... close to the mouths of their burrows , and are thus destroyed in large numbers by birds - Structure -Do not possess eyes , but can distinguish between light and darkness -- Retreat rapidly when brightly . illuminated , not by a reflex ...
... close to the mouths of their burrows , and are thus destroyed in large numbers by birds - Structure -Do not possess eyes , but can distinguish between light and darkness -- Retreat rapidly when brightly . illuminated , not by a reflex ...
Pagina 8
... close to the mouths of their burrows , and are thus destroyed in large numbers by birds - Structure - Do not possess eyes , but can distinguish between light and darkness - Retreat rapidly when brightly illuminated , not by a reflex ...
... close to the mouths of their burrows , and are thus destroyed in large numbers by birds - Structure - Do not possess eyes , but can distinguish between light and darkness - Retreat rapidly when brightly illuminated , not by a reflex ...
Pagina 9
... close to houses ; and an instance will be given in which they had * Bidrag till Skandinaviens Oligochætfauna , ' 1871 . + Die bis jetzt bekannten Arten aus der Familie der Regen wilmer , ' 1845 . burrowed through the floor of a very ...
... close to houses ; and an instance will be given in which they had * Bidrag till Skandinaviens Oligochætfauna , ' 1871 . + Die bis jetzt bekannten Arten aus der Familie der Regen wilmer , ' 1845 . burrowed through the floor of a very ...
Pagina 12
... close proximity of the sub- jacent rocks , into which worms cannot burrow during the winter so as to escape being frozen . Dr. McIntosh , however , found worm - castings at a height of 1500 feet on Schiehallion in Scotland . They are ...
... close proximity of the sub- jacent rocks , into which worms cannot burrow during the winter so as to escape being frozen . Dr. McIntosh , however , found worm - castings at a height of 1500 feet on Schiehallion in Scotland . They are ...
Pagina 15
... close beneath the mouths of their burrows . I have occasionally noticed the same fact with worms kept in * De Lumbrici terrestris , & c . , P. 14 . pots in the house ; so that by looking down CHAP . I. WANDER FROM THEIR BURROWS . 15.
... close beneath the mouths of their burrows . I have occasionally noticed the same fact with worms kept in * De Lumbrici terrestris , & c . , P. 14 . pots in the house ; so that by looking down CHAP . I. WANDER FROM THEIR BURROWS . 15.
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.