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 48
Pagina 7
... AMOUNT OF FINE EARTH BROUGHT UP BY WORMS TO THE SURFACE . Rate at which various objects strewed on the surface of grass - fields are covered up by the castings of worms -The burial of a paved path - The slow subsidence of great stones ...
... AMOUNT OF FINE EARTH BROUGHT UP BY WORMS TO THE SURFACE . Rate at which various objects strewed on the surface of grass - fields are covered up by the castings of worms -The burial of a paved path - The slow subsidence of great stones ...
Pagina 7
... LAND . Evidence of the amount of denudation which the land has undergone - Subaerial denudation - The deposi- tion of dust - Vegetable mould , its dark colour and fine texture largely due to the action of worms-- The CONTENTS .
... LAND . Evidence of the amount of denudation which the land has undergone - Subaerial denudation - The deposi- tion of dust - Vegetable mould , its dark colour and fine texture largely due to the action of worms-- The CONTENTS .
Pagina 7
... amount of earth which annually flows downwards - The effect of tropical rain on worm castings - The finest particles ... amount thus blown - The degradation of ancient encampments and tumuli— The preservation of the crowns and furrows on ...
... amount of earth which annually flows downwards - The effect of tropical rain on worm castings - The finest particles ... amount thus blown - The degradation of ancient encampments and tumuli— The preservation of the crowns and furrows on ...
Pagina 17
... amount of carbonate of lime . These calciferous glands are highly remark- able , for nothing like them is known in any other animal . Their use will be discussed when we treat of the digestive process . In most of the species , the ...
... amount of carbonate of lime . These calciferous glands are highly remark- able , for nothing like them is known in any other animal . Their use will be discussed when we treat of the digestive process . In most of the species , the ...
Pagina 20
... amount of light , however long they were exposed to it . The light , as far as I could judge , was brighter than that from the full moon . Its colour apparently made no difference in the result . When they were For instance , Mr ...
... amount of light , however long they were exposed to it . The light , as far as I could judge , was brighter than that from the full moon . Its colour apparently made no difference in the result . When they were For instance , Mr ...
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.