The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 35
... sume a large number of half - decayed leaves of all kinds , excepting a few which have an unpleasant taste or are too tough for them : likewise petioles , peduncles and decayed flowers . But they 3 CHAP . I. 35 MENTAL QUALITIES .
... sume a large number of half - decayed leaves of all kinds , excepting a few which have an unpleasant taste or are too tough for them : likewise petioles , peduncles and decayed flowers . But they 3 CHAP . I. 35 MENTAL QUALITIES .
Pagina 36
With Observations on Their Habits Charles Darwin. likewise petioles , peduncles and decayed flowers . But they will also consume fresh leaves , as I have found by repeated trials . According to Morren * they will eat particles of sugar ...
With Observations on Their Habits Charles Darwin. likewise petioles , peduncles and decayed flowers . But they will also consume fresh leaves , as I have found by repeated trials . According to Morren * they will eat particles of sugar ...
Pagina 58
... petioles of many kinds , some flower - pedun- cles , often decayed twigs of trees , bits of paper , feathers , tufts of wool and horse - hairs are dragged into their burrows for this pur- pose . I have seen as many as seventeen petioles ...
... petioles of many kinds , some flower - pedun- cles , often decayed twigs of trees , bits of paper , feathers , tufts of wool and horse - hairs are dragged into their burrows for this pur- pose . I have seen as many as seventeen petioles ...
Pagina 60
... petioles , sticks , & c . , with which to plug up the mouths of their burrows , they often protect them by little heaps of stones ; and such heaps of smooth rounded pebbles may frequently be seen on gravel - walks . Here there can be no ...
... petioles , sticks , & c . , with which to plug up the mouths of their burrows , they often protect them by little heaps of stones ; and such heaps of smooth rounded pebbles may frequently be seen on gravel - walks . Here there can be no ...
Pagina 64
... petioles or twigs , he would drag or push them in by their pointed ends ; but if these objects were very thin relatively to the size of the hole , he would probably insert some by their thicker or broader ends . The guide in his case ...
... petioles or twigs , he would drag or push them in by their pointed ends ; but if these objects were very thin relatively to the size of the hole , he would probably insert some by their thicker or broader ends . The guide in his case ...
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.