The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 7
... flows downwards - The effect of tropical rain on worm castings - The finest particles of earth washed completely away from castings - The disintegration of dried castings into pellets , and their rolling down inclined surfaces --- The ...
... flows downwards - The effect of tropical rain on worm castings - The finest particles of earth washed completely away from castings - The disintegration of dried castings into pellets , and their rolling down inclined surfaces --- The ...
Pagina 62
... flow , as well plugged as burrows on a level surface . Can the plugs or piles of stones aid in concealing the bur- rows from scolopenders , which , according to Hoffmeister , † are the bitterest enemies of worms ? Or may not worms when ...
... flow , as well plugged as burrows on a level surface . Can the plugs or piles of stones aid in concealing the bur- rows from scolopenders , which , according to Hoffmeister , † are the bitterest enemies of worms ? Or may not worms when ...
Pagina 119
... flow or slide inwards during very wet weather . When , however , the soil is sandy or mingled with many small stones , it can hardly be viscous enough to flow inwards during even the wettest weather ; but another agency may here come ...
... flow or slide inwards during very wet weather . When , however , the soil is sandy or mingled with many small stones , it can hardly be viscous enough to flow inwards during even the wettest weather ; but another agency may here come ...
Pagina 219
... flow downwards during heavy rain , and thus much earth will ultimately reach the neighbouring rills and streams and be carried away . By this means , the absence of very thick beds of mould over these ancient ruins may , as I believe ...
... flow downwards during heavy rain , and thus much earth will ultimately reach the neighbouring rills and streams and be carried away . By this means , the absence of very thick beds of mould over these ancient ruins may , as I believe ...
Pagina 259
... flows downwards - The effect of tropical rain on worm castings - The finest particles of earth washed com- pletely away from castings - The disintegration of dried cast- ings into pellets , and their rolling down inclined surfaces- The ...
... flows downwards - The effect of tropical rain on worm castings - The finest particles of earth washed com- pletely away from castings - The disintegration of dried cast- ings into pellets , and their rolling down inclined surfaces- The ...
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.