The Formation of vegetable mould, through the action of worms, with observations on their habitsJ. Murray, 1895 - 328 pagini |
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Pagina 5
... - up castings cover the dead leaves ; " the result being a rich humus of great " thickness . " ་ p . 861 . Zeitschrift für wissenschaft . Zoologie , ' B. xxviii . 1877 * In the year 1869 , Mr. Fish rejected my INTRODUCTION . 5.
... - up castings cover the dead leaves ; " the result being a rich humus of great " thickness . " ་ p . 861 . Zeitschrift für wissenschaft . Zoologie , ' B. xxviii . 1877 * In the year 1869 , Mr. Fish rejected my INTRODUCTION . 5.
Pagina 20
... result . When they were For instance , Mr. Bridgman and Mr. Newman ( The Zoologist , ' vol . vii . 1849 , p . 2576 ) , and some friends who observed worms for me . Familie der Regenwürmer , ' 1845 , p . 18 . illuminated by a candle , or ...
... result . When they were For instance , Mr. Bridgman and Mr. Newman ( The Zoologist , ' vol . vii . 1849 , p . 2576 ) , and some friends who observed worms for me . Familie der Regenwürmer , ' 1845 , p . 18 . illuminated by a candle , or ...
Pagina 22
... result ; for worms left exposed before a paraffin lamp or a candle invariably retreated into their burrows within from five to fifteen minutes ; and if in the evening the pots were illuminated before the worms had come out of their ...
... result ; for worms left exposed before a paraffin lamp or a candle invariably retreated into their burrows within from five to fifteen minutes ; and if in the evening the pots were illuminated before the worms had come out of their ...
Pagina 30
... result was different when cabbage- leaves and pieces of onion were employed , both of which are devoured with much relish by worms . Small square pieces of fresh and half - decayed cabbage - leaves and of onion bulbs were on nine ...
... result was different when cabbage- leaves and pieces of onion were employed , both of which are devoured with much relish by worms . Small square pieces of fresh and half - decayed cabbage - leaves and of onion bulbs were on nine ...
Pagina 33
... the wide difference in the result must be attributed to a preference by the worms for one taste over another . The Zoologist , ' vol . vii . 1849 , p . 2576 . Mental Qualities . - There is little to be said CHAP . I. 33 THEIR SENSES .
... the wide difference in the result must be attributed to a preference by the worms for one taste over another . The Zoologist , ' vol . vii . 1849 , p . 2576 . Mental Qualities . - There is little to be said CHAP . I. 33 THEIR SENSES .
Alte ediții - Afișează-le pe toate
Darwin on Humus and the Earthworm: The Formation of Vegetable Mould Through ... Charles Darwin Vizualizare fragmente - 1966 |
Termeni și expresii frecvente
9 inches accumulated acetic acid acid action of worms alimentary canal amount angles animals apex apical appears basal base Beaulieu Abbey beneath the surface broken buried burnt marl burrows cent chalk cinders close concrete covered depth diameter disintegration dragged drawn earth feet field flints floor formed fragments gizzards glands grass ground heavy rain Hensen holes hypocausts Illustrations inches beneath inches deep inches in length inches in thickness inches thick intestines Joyce Knole Park lamellæ land large number larvæ layer leaf leaves Leith Hill Place lime Maer Hall manner matter mortar mouths nearly northern room objects observed particles pasture pavement penetrated petioles pharynx pine-leaves 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 undisturbed upper vegetable mould walls washed weather weight whilst worm-castings worms
Pasaje populare
Pagina 322 - OUTINGS AT ODD TIMES. By CHARLES C. ABBOTT, author of " Days out of Doors " and " A Naturalist's Rambles about Home." i6mo. Cloth, gilt top, $1.25. " A charming little volume, literally alone with Nature, for it discusses seasons and the fields, birds, etc., with the loving freedom of a naturalist born. Every page reads like a sylvan poem; and for the lovers of the beautiful in quiet...