The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 7
... walls penetrated by worms - Subsidence of a modern pavement - The buried pavement at Beaulieu Abbey -Roman villas at Chedworth and Brading - The remains of the Roman town at Silchester - The nature of the débris by which the remains are ...
... walls penetrated by worms - Subsidence of a modern pavement - The buried pavement at Beaulieu Abbey -Roman villas at Chedworth and Brading - The remains of the Roman town at Silchester - The nature of the débris by which the remains are ...
Pagina 19
... walls of the intestine , by which means an extensive absorbent surface is gained . 8 The circulatory system is well developed . Worms breathe by their skin , as they do not possess any special respiratory organs . The two sexes are ...
... walls of the intestine , by which means an extensive absorbent surface is gained . 8 The circulatory system is well developed . Worms breathe by their skin , as they do not possess any special respiratory organs . The two sexes are ...
Pagina 37
... walls ; for it is well known that all other nutri- tious substances are almost completely with- drawn from leaves , shortly before they fall off . It has , however , now been ascertained . that cellulose , though very little or not at ...
... walls ; for it is well known that all other nutri- tious substances are almost completely with- drawn from leaves , shortly before they fall off . It has , however , now been ascertained . that cellulose , though very little or not at ...
Pagina 40
... wall were so tough that they could not be gnawed by worms , but after four days they were affected in a peculiar manner by the secretion poured out of their mouths . The upper surfaces of the leaves , over which the worms had crawled ...
... wall were so tough that they could not be gnawed by worms , but after four days they were affected in a peculiar manner by the secretion poured out of their mouths . The upper surfaces of the leaves , over which the worms had crawled ...
Pagina 41
... walls had been broken down or that the epidermis had been penetrated . When the section passed through the whitish dots , the grains of chlorophyll were seen to be more or less discoloured , and some of the palisade and mesophyll cells ...
... walls had been broken down or that the epidermis had been penetrated . When the section passed through the whitish dots , the grains of chlorophyll were seen to be more or less discoloured , and some of the palisade and mesophyll cells ...
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 fragmente - 1989 |
The Formation of Vegetable Mould, Through the Action of Worms, with ... Charles Darwin Nu există previzualizare disponibilă - 2016 |
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.