The Formation of vegetable mould, through the action of worms, with observations on their habitsJ. Murray, 1895 - 328 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 46
Pagina
... kinds of leaves and other objects thus used - Triangles of paper - Summary of reasons for believing that worms exhibit some intelligence- Means by which they excavate their burrows , by pushing away the earth and swallowing it - Earth ...
... kinds of leaves and other objects thus used - Triangles of paper - Summary of reasons for believing that worms exhibit some intelligence- Means by which they excavate their burrows , by pushing away the earth and swallowing it - Earth ...
Pagina
... kinds of leaves and other objects thus used - Triangles of paper - Summary of reasons for believing that worms exhibit some intelligence— Means by which they excavate their burrows , by pushing away the earth and swallowing it - Earth ...
... kinds of leaves and other objects thus used - Triangles of paper - Summary of reasons for believing that worms exhibit some intelligence— Means by which they excavate their burrows , by pushing away the earth and swallowing it - Earth ...
Pagina 3
... kind have been made , as far as I know , on animals so low in the scale of organization and so poorly provided with sense - organs , as are earth - worms . In the year 1837 , a short paper was read by me before the Geological Society of ...
... kind have been made , as far as I know , on animals so low in the scale of organization and so poorly provided with sense - organs , as are earth - worms . In the year 1837 , a short paper was read by me before the Geological Society of ...
Pagina 6
... kind as those published , and to attack the problem on another side ; namely , to weigh all the cast- ings thrown up within a given time in a measured space , instead of ascertaining the rate at which objects left on the surface were ...
... kind as those published , and to attack the problem on another side ; namely , to weigh all the cast- ings thrown up within a given time in a measured space , instead of ascertaining the rate at which objects left on the surface were ...
Pagina 9
... kinds which bring up earth to the surface in the form of cast- ings . Hoffmeister says that the species in Germany are not well known , but gives the same number as Eisen , together with some strongly marked varieties . † ་ Earth ...
... kinds which bring up earth to the surface in the form of cast- ings . Hoffmeister says that the species in Germany are not well known , but gives the same number as Eisen , together with some strongly marked varieties . † ་ Earth ...
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...