The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 14
... half paces in length on a walk in Hyde Park , four paces in width . He counted no less than 45 dead worms in one place in a length of sixteen paces . From the facts above given , it is not probable that these worms could have been ...
... half paces in length on a walk in Hyde Park , four paces in width . He counted no less than 45 dead worms in one place in a length of sixteen paces . From the facts above given , it is not probable that these worms could have been ...
Pagina 21
... from a candle was con- centrated by means of a large lens on the anterior extremity , they generally withdrew instantly ; but this concentrated light failed to act perhaps once out of half a dozen trials СНАР . І. 21 THEIR SENSES .
... from a candle was con- centrated by means of a large lens on the anterior extremity , they generally withdrew instantly ; but this concentrated light failed to act perhaps once out of half a dozen trials СНАР . І. 21 THEIR SENSES .
Pagina 22
With Observations on Their Habits Charles Darwin. to act perhaps once out of half a dozen trials . The light was on one occasion concentrated on a worm lying beneath water in a saucer , and it instantly withdrew into its burrow . In all ...
With Observations on Their Habits Charles Darwin. to act perhaps once out of half a dozen trials . The light was on one occasion concentrated on a worm lying beneath water in a saucer , and it instantly withdrew into its burrow . In all ...
Pagina 30
... half - decayed cabbage - leaves and of onion bulbs were on nine occasions buried in my pots , beneath about of an inch of common garden soil ; and they were always discovered by the worms . One bit of cabbage was dis- covered and ...
... half - decayed cabbage - leaves and of onion bulbs were on nine occasions buried in my pots , beneath about of an inch of common garden soil ; and they were always discovered by the worms . One bit of cabbage was dis- covered and ...
Pagina 32
... Half- decayed leaves of the red variety and fresh leaves of the green were attacked about equally . When leaves of the cabbage , horse- radish ( a favourite food ) and of the onion were given together , the latter were always and ...
... Half- decayed leaves of the red variety and fresh leaves of the green were attacked about equally . When leaves of the cabbage , horse- radish ( a favourite food ) and of the onion were given together , the latter were always and ...
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.