The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsJohn Murray, 1881 - 326 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 26
Pagina v
... accumulation of rubbish on the sites of great cities independent of the action of worms - The burial of a Roman villa at Abinger - The floors and walls penetrated by worms - Subsidence of a modern pavement ― The buried pavement at ...
... accumulation of rubbish on the sites of great cities independent of the action of worms - The burial of a Roman villa at Abinger - The floors and walls penetrated by worms - Subsidence of a modern pavement ― The buried pavement at ...
Pagina vi
... accumulation of disintegrated castings— Castings blown to leeward over level land — An attempt to estimate the amount thus blown - The degradation of ancient encampments and tumuli— The preservation of the crowns and furrows on land ...
... accumulation of disintegrated castings— Castings blown to leeward over level land — An attempt to estimate the amount thus blown - The degradation of ancient encampments and tumuli— The preservation of the crowns and furrows on land ...
Pagina 2
... accumulated effects , remarks . * " la " couche très - mince de la terre végétale est un " monument d'une haute antiquité , et , par le " fait de sa permanence , un objet digne d'oc- cuper le géologue , et capable de lui fournir " des ...
... accumulated effects , remarks . * " la " couche très - mince de la terre végétale est un " monument d'une haute antiquité , et , par le " fait de sa permanence , un objet digne d'oc- cuper le géologue , et capable de lui fournir " des ...
Pagina 11
... accumulated to a thick- ness of 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 from the grassy paths , and here their ...
... accumulated to a thick- ness of 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 from the grassy paths , and here their ...
Pagina 134
... accumulated slowly . The average annual increase of thick- ness for the whole period is 19 of an inch . Two other cases are worth recording . In the spring of 1835 , a field , which had long existed as poor pasture and was so swampy ...
... accumulated slowly . The average annual increase of thick- ness for the whole period is 19 of an inch . Two other cases are worth recording . In the spring of 1835 , a field , which had long existed as poor pasture and was so swampy ...
Alte ediții - Afișează-le pe toate
The Formation of Vegetable Mould, Through the Action of Earth Worms, with ... Charles Darwin Vizualizare completă - 1887 |
The Formation of Vegetable Mould Through the Action of Worms: With ... Charles Darwin Vizualizare completă - 1904 |
The Formation of Vegetable Mould Through the Action of Worms: With ... Charles Darwin Vizualizare completă - 1904 |
Termeni și expresii frecvente
9 inches accumulated acetic acid acid action of worms alimentary canal amount angle animals annelids apex appear basal base Beaulieu Abbey beneath the surface blown brought buried burrows calciferous carbonic acid cent chalk concrete covered depth disintegration doubt dragged drawn earth feet field flints floor foot-stalk formed fragments fresh castings gizzards glands grass ground heavy rain Hensen holes hypocausts inches beneath inches deep inches in thickness inches thick inclined surface intestines 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 pine-leaves places ploughed plugging pots probably Roman villa rubbish sand seen seized side Silchester slope soil square yard Stonehenge stones subsided swallowed tesselated tiles tips trench triangles triturated turf upper vegetable mould walls washed weight whilst worm-castings worms