The Formation of vegetable mould, through the action of worms, with observations on their habitsJ. Murray, 1895 - 328 pagini |
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Pagina
... upper part with leaves -- The lowest part paved with little stones or seeds— Manner in which the castings are ejected - The collapse of old burrows - Distribution of worms— Tower - like castings in Bengal - Gigantic castings on the ...
... upper part with leaves -- The lowest part paved with little stones or seeds— Manner in which the castings are ejected - The collapse of old burrows - Distribution of worms— Tower - like castings in Bengal - Gigantic castings on the ...
Pagina
... upper part with leaves -- The lowest part paved with little stones or seeds- Manner in which the castings are ejected - The collapse of old burrows - Distribution of worms- Tower - like castings in Bengal - Gigantic castings on the ...
... upper part with leaves -- The lowest part paved with little stones or seeds- Manner in which the castings are ejected - The collapse of old burrows - Distribution of worms- Tower - like castings in Bengal - Gigantic castings on the ...
Pagina 18
... Upper part of in- testin .. Fig . 1 . Diagram of the alimen- tary canal of an earth- worm ( Lumbricus ) , copied from Ray Lan- kester in Quart . Journ . of Microscop . Soc . ' vol . xv . N.S. pl . vii . " chitinous membrane , and is ...
... Upper part of in- testin .. Fig . 1 . Diagram of the alimen- tary canal of an earth- worm ( Lumbricus ) , copied from Ray Lan- kester in Quart . Journ . of Microscop . Soc . ' vol . xv . N.S. pl . vii . " chitinous membrane , and is ...
Pagina 40
... after four davs 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 , as was shown by the dirt 40 СНАР . І HABITS OF WORMS .
... after four davs 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 , as was shown by the dirt 40 СНАР . І HABITS OF WORMS .
Pagina 51
... upper part of the intestine were often acid . In one case the contents of the gizzard were slightly acid , those of the upper intestines being more plainly acid . In another case the contents of the pharynx were not acid , those of the ...
... upper part of the intestine were often acid . In one case the contents of the gizzard were slightly acid , those of the upper intestines being more plainly acid . In another case the contents of the pharynx were not acid , those of the ...
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...