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 31
Pagina 7
... washed completely away from castings - The disintegration of dried castings into pellets , and their rolling down inclined surfaces --- The formation of little ledges on hill - sides , in part due to the accumulation of disintegrated ...
... washed completely away from castings - The disintegration of dried castings into pellets , and their rolling down inclined surfaces --- The formation of little ledges on hill - sides , in part due to the accumulation of disintegrated ...
Pagina 11
... washed down from the steeper parts and had accumulated to a thick- ness cf a few inches , worm - castings abounded . These spots seemed to be overstocked with worms , so that they had been compelled to spread to a distance of a few feet ...
... washed down from the steeper parts and had accumulated to a thick- ness cf a few inches , worm - castings abounded . These spots seemed to be overstocked with worms , so that they had been compelled to spread to a distance of a few feet ...
Pagina 89
... washed off . We may therefore conclude that if a triangle , before being dragged in by the apex , had been dragged into a burrow by its base with even a slight degree of force , the basal part would long retain its creases and remain ...
... washed off . We may therefore conclude that if a triangle , before being dragged in by the apex , had been dragged into a burrow by its base with even a slight degree of force , the basal part would long retain its creases and remain ...
Pagina 101
... washed , so that the coarser matter alone was left . This consisted of grains of quartz , micaceous slate , other rocks , and bricks or tiles , many of them from to inch in diameter . No one will suppose that these grains were swallowed ...
... washed , so that the coarser matter alone was left . This consisted of grains of quartz , micaceous slate , other rocks , and bricks or tiles , many of them from to inch in diameter . No one will suppose that these grains were swallowed ...
Pagina 138
... washed during many years , and into which a man thus occupied fell to his great terror . The rain - water over this whole district sinks perpen- dicularly into the ground , but the chalk is more porous in certain places than in others ...
... washed during many years , and into which a man thus occupied fell to his great terror . The rain - water over this whole district sinks perpen- dicularly into the ground , but the chalk is more porous in certain places than in others ...
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.