The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 7
... gizzards of worms— 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 ...
... gizzards of worms— 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 ...
Pagina 18
... gizzards and intestines . As it is certain that worms swal- low little stones , in- dependently of those swal- lowed while excavating their burrows , it is prob- many able that they serve , like mill - stones , to triturate their food ...
... gizzards and intestines . As it is certain that worms swal- low little stones , in- dependently of those swal- lowed while excavating their burrows , it is prob- many able that they serve , like mill - stones , to triturate their food ...
Pagina 54
... be of quite subordinate importance , seeing that the object is already attained by stones being generally present in the gizzards and intestines of worms . CHAPTER II . HABITS OF WORMS - continued . Manner 54 CHAP . I. HABITS OF WORMS .
... be of quite subordinate importance , seeing that the object is already attained by stones being generally present in the gizzards and intestines of worms . CHAPTER II . HABITS OF WORMS - continued . Manner 54 CHAP . I. HABITS OF WORMS .
Pagina 104
... gizzards of worms may largely aid in supporting them . When- ever castings are thrown up in the greatest number , few or no leaves are drawn into the burrows ; for instance the turf along a hedge- row , about 200 yards in length , was ...
... gizzards of worms may largely aid in supporting them . When- ever castings are thrown up in the greatest number , few or no leaves are drawn into the burrows ; for instance the turf along a hedge- row , about 200 yards in length , was ...
Pagina 230
... gizzards of worms - Swallowed stones serve as mill - stones - The levi- gated state of the castings - Fragments of brick in the castings over ancient buildings well rounded . The triturating power of worms not quite insignificant under ...
... gizzards of worms - Swallowed stones serve as mill - stones - The levi- gated state of the castings - Fragments of brick in the castings over ancient buildings well rounded . The triturating power of worms not quite insignificant under ...
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.