The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 2
... SPECIES . By Professor A DE QUATREFAGES , Membre de l'Institut . $ 2.00 . 28. THE CRAYFISH : An Introduction to the Study of Zoology . By T. H. HUXLEY , F. R. S. With 22 Illustrations . $ 1.75 . 29. THE ATOMIC THEORY . By Professor A ...
... SPECIES . By Professor A DE QUATREFAGES , Membre de l'Institut . $ 2.00 . 28. THE CRAYFISH : An Introduction to the Study of Zoology . By T. H. HUXLEY , F. R. S. With 22 Illustrations . $ 1.75 . 29. THE ATOMIC THEORY . By Professor A ...
Pagina 8
... species of Lumbricus have never been carefully monographed ; but we may judge of their probable number from those inhabiting neighbouring countries . In Scan- dinavia there are eight species , according to Eisen ; * but two of these ...
... species of Lumbricus have never been carefully monographed ; but we may judge of their probable number from those inhabiting neighbouring countries . In Scan- dinavia there are eight species , according to Eisen ; * but two of these ...
Pagina 9
... species in Germany are not well known , but gives the same number as Eisen , together with some strongly marked varieties . † Earth - worms abound in England in many different stations . Their castings may be seen in extraordinary ...
... species in Germany are not well known , but gives the same number as Eisen , together with some strongly marked varieties . † Earth - worms abound in England in many different stations . Their castings may be seen in extraordinary ...
Pagina 17
... will be discussed when we treat of the digestive process . In most of the species , the oesophagus is enlarged into a crop in front of the gizzard . This latter organ is lined with a smooth thick which runs CHAP . I. 17 THEIR STRUCTURE .
... will be discussed when we treat of the digestive process . In most of the species , the oesophagus is enlarged into a crop in front of the gizzard . This latter organ is lined with a smooth thick which runs CHAP . I. 17 THEIR STRUCTURE .
Pagina 35
... species of Perichæta eject their castings , so as to construct towers ; also by the manner in which the burrows of the common earth - worm are smoothly lined with fine earth and often with little stones , and the mouths of their burrows ...
... species of Perichæta eject their castings , so as to construct towers ; also by the manner in which the burrows of the common earth - worm are smoothly lined with fine earth and often with little stones , and the mouths of their burrows ...
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.