The Formation of Vegetable Mould: Through the Action of Worms, with Observations on Their HabitsD. Appleton, 1896 - 326 pagini |
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Pagina iii
... swallowed , moistened with a fluid of the nature of the pancreatic secretion -- Extra - stomachal digestion -Calciferous glands , structure of Cal- careous concretions formed in the anterior pair of glands - The calcareous matter ...
... swallowed , moistened with a fluid of the nature of the pancreatic secretion -- Extra - stomachal digestion -Calciferous glands , structure of Cal- careous concretions formed in the anterior pair of glands - The calcareous matter ...
Pagina iv
... swallowing it - Earth also swallowed for the nutritious matter which it contains - Depth to which worms burrow , and the construction of their burrows - Burrows lined with castings , and in the upper part with leaves -- The lowest part ...
... swallowing it - Earth also swallowed for the nutritious matter which it contains - Depth to which worms burrow , and the construction of their burrows - Burrows lined with castings , and in the upper part with leaves -- The lowest part ...
Pagina vi
... Swallowed stones serve as millstones - The levigated state of the castings - Fragments of brick in the castings over ancient buildings well rounded . The triturating power of worms not quite insignificant under a geological point of ...
... Swallowed stones serve as millstones - The levigated state of the castings - Fragments of brick in the castings over ancient buildings well rounded . The triturating power of worms not quite insignificant under a geological point of ...
Pagina 8
... swallowed , moistened with a fluid of the nature of the pancreatic secretion - Extra - stomachal digestion -Calciferous glands , structure of Calcareous concretions formed in the anterior pair of glands - The calcareous matter primarily ...
... swallowed , moistened with a fluid of the nature of the pancreatic secretion - Extra - stomachal digestion -Calciferous glands , structure of Calcareous concretions formed in the anterior pair of glands - The calcareous matter primarily ...
Pagina 50
... swallowed in such large quantities by worms would , there- fore , after they have been moistened and triturated in the alimentary canal , he apt to produce such acids . And in the case of several 50 CHAP . I. HABITS OF WORMS .
... swallowed in such large quantities by worms would , there- fore , after they have been moistened and triturated in the alimentary canal , he apt to produce such acids . And in the case of several 50 CHAP . I. HABITS OF WORMS .
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
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 broken brought buried burrows calciferous carbonic acid cent chalk concrete covered depth disintegration doubt dragged drawn earth feet field flints floor 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 northern room objects observed particles pasture pavement penetrated Perrier petioles pharynx 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