The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 18
... course to the vent at. Mout . Pharynx . Esophagus . Calciferous glands . Esophagus . Crop . Gizza : d . Upper part of in- testin .. Fig . 1 . Diagram of the alimen- tary canal of an earth- worm ( Lumbricus ) , copied from Ray Lan- kester ...
... course to the vent at. Mout . Pharynx . Esophagus . Calciferous glands . Esophagus . Crop . Gizza : d . Upper part of in- testin .. Fig . 1 . Diagram of the alimen- tary canal of an earth- worm ( Lumbricus ) , copied from Ray Lan- kester ...
Pagina 19
With Observations on Their Habits Charles Darwin. which runs in a straight course to the vent at the posterior end of the body . The intes tine presents a remarkable structure , the typhosolis , or , as the old anatomists called it , an ...
With Observations on Their Habits Charles Darwin. which runs in a straight course to the vent at the posterior end of the body . The intes tine presents a remarkable structure , the typhosolis , or , as the old anatomists called it , an ...
Pagina 30
... course of two hours ; three were removed by the next morning , that is , after a single night ; two others after two nights ; and the seventh bit after three nights . Two pieces of onion were discovered and removed after three nights ...
... course of two hours ; three were removed by the next morning , that is , after a single night ; two others after two nights ; and the seventh bit after three nights . Two pieces of onion were discovered and removed after three nights ...
Pagina 31
... course possible that the worms whilst moving about on the surface of the ground , with their tails affixed within their burrows , may have poked their heads into the places where the above objects were buried ; but I have never seen ...
... course possible that the worms whilst moving about on the surface of the ground , with their tails affixed within their burrows , may have poked their heads into the places where the above objects were buried ; but I have never seen ...
Pagina 92
... course . With animals , actions appearing due to intelligence may be performed through inherited habit without any intelligence , although aborigin- ally thus acquired . Or the habit may have been acquired through the preservation and ...
... course . With animals , actions appearing due to intelligence may be performed through inherited habit without any intelligence , although aborigin- ally thus acquired . Or the habit may have been acquired through the preservation and ...
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.