The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 7
... measured space , instead of ascertaining the rate at which objects left on the surface were buried by worms . But some of my observa- tions have been rendered almost superfluous by an admirable paper by Von Hensen , * Gardeners ...
... measured space , instead of ascertaining the rate at which objects left on the surface were buried by worms . But some of my observa- tions have been rendered almost superfluous by an admirable paper by Von Hensen , * Gardeners ...
Pagina 107
... measured was 3.3 inch in height and 1. rise like towers ( see Fig . 2 ) , with their sum- mits often a little broader than their bases , A casting from the Nilgiri Mountains in South India ;. 6 CHAP . II . EARTH SWALLOWED AS FOOD . 107.
... measured was 3.3 inch in height and 1. rise like towers ( see Fig . 2 ) , with their sum- mits often a little broader than their bases , A casting from the Nilgiri Mountains in South India ;. 6 CHAP . II . EARTH SWALLOWED AS FOOD . 107.
Pagina 108
With Observations on Their Habits Charles Darwin. which were measured was 3.3 inch in height and 1 in diameter . A small cylindrical pas- sage runs up the centre of each tower , through which the worm ascends to eject the earth which it ...
With Observations on Their Habits Charles Darwin. which were measured was 3.3 inch in height and 1 in diameter . A small cylindrical pas- sage runs up the centre of each tower , through which the worm ascends to eject the earth which it ...
Pagina 124
... from the Botanic Garden , Calcutta : of natural size , engraved from a photograph . was only inch in diameter and 23 in height . In the following year , Mr. Scott measured several of. 124 СНАР . ІІ . HABITS OF WORMS .
... from the Botanic Garden , Calcutta : of natural size , engraved from a photograph . was only inch in diameter and 23 in height . In the following year , Mr. Scott measured several of. 124 СНАР . ІІ . HABITS OF WORMS .
Pagina 125
... measured several of the largest ; one was 6 inches in height and nearly 1 in diameter : two others were 5 inches in height and respectively 2 and rather more than 2 inches in diameter . The average weight of the 22 castings sent to me ...
... measured several of the largest ; one was 6 inches in height and nearly 1 in diameter : two others were 5 inches in height and respectively 2 and rather more than 2 inches in diameter . The average weight of the 22 castings sent to me ...
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.