The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 15
... the mouths of their burrows . I have occasionally noticed the same fact with worms kept in * De Lumbrici terrestris , & c . , P. 14 . pots in the house ; so that by looking down CHAP . I. WANDER FROM THEIR BURROWS . 15.
... the mouths of their burrows . I have occasionally noticed the same fact with worms kept in * De Lumbrici terrestris , & c . , P. 14 . pots in the house ; so that by looking down CHAP . I. WANDER FROM THEIR BURROWS . 15.
Pagina 24
... fact that a worm when in any way employed and in the intervals of such employment , whatever set of muscles and ganglia may then have been brought into play , is often regardless of light , are opposed to the view of the sudden ...
... fact that a worm when in any way employed and in the intervals of such employment , whatever set of muscles and ganglia may then have been brought into play , is often regardless of light , are opposed to the view of the sudden ...
Pagina 49
... fact , and others in which either the anterior or posterior glands were at this season so shrunk and empty , that they could be distinguished only with much difficulty . With respect to the function of the calci- ferous glands , it is ...
... fact , and others in which either the anterior or posterior glands were at this season so shrunk and empty , that they could be distinguished only with much difficulty . With respect to the function of the calci- ferous glands , it is ...
Pagina 58
... - lated to the branches are shaped in as pecu- liar a manner as is the joint between the leg- bones of a quadruped ; and if these surfaces had been in the least gnawed , the fact would 58 CHAP . II . HABITS OF WORMS .
... - lated to the branches are shaped in as pecu- liar a manner as is the joint between the leg- bones of a quadruped ; and if these surfaces had been in the least gnawed , the fact would 58 CHAP . II . HABITS OF WORMS .
Pagina 59
... fact would have been immediately visible , but there was no trace of gnawing . Of ordinary dicotyle- donous leaves , all those which are dragged into burrows are not gnawed . I have seen as many as nine leaves of the lime - tree drawn ...
... fact would have been immediately visible , but there was no trace of gnawing . Of ordinary dicotyle- donous leaves , all those which are dragged into burrows are not gnawed . I have seen as many as nine leaves of the lime - tree drawn ...
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 - 1897 |
The Formation of Vegetable Mould, Through the Action of Worms, with ... Charles Darwin Vizualizare completă - 1890 |
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.