The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 7
... Leaves before being 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 ...
... Leaves before being 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 ...
Pagina 7
... leaves and other objects thus used - Triangles of paper - Summary of reasons for believing that worms exhibit some intelligence— Means by which they excavate their burrows , by pushing away the earth and swallowing it - Earth also ...
... leaves and other objects thus used - Triangles of paper - Summary of reasons for believing that worms exhibit some intelligence— Means by which they excavate their burrows , by pushing away the earth and swallowing it - Earth also ...
Pagina 7
... leaves in autumr . are removed , the whole surface will be found strewed with castings . Dr. King , the superintendent of the Botanic Garden in Calcutta , to whose kindness I am indebted for many observations on earth- worms , informs ...
... leaves in autumr . are removed , the whole surface will be found strewed with castings . Dr. King , the superintendent of the Botanic Garden in Calcutta , to whose kindness I am indebted for many observations on earth- worms , informs ...
Pagina 8
... Leaves before being 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 ...
... Leaves before being 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 ...
Pagina 16
... leaves , apparently to prevent their bodies from coming into close contact with the cold damp earth . It is said that they completely close their burrows during the winter . Structure . - A few remarks must be made on this subject . The ...
... leaves , apparently to prevent their bodies from coming into close contact with the cold damp earth . It is said that they completely close their burrows during the winter . Structure . - A few remarks must be made on this subject . 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.