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 26
Pagina
... floors and walls by worms - Subsidence of the floors- Thickness of the mould - The old Roman city of Wroxeter - Thickness of the mould - Depth of the foundations of some of the buildings -- Conclusion 176-229 CHAPTER V. THE ACTION OF ...
... floors and walls by worms - Subsidence of the floors- Thickness of the mould - The old Roman city of Wroxeter - Thickness of the mould - Depth of the foundations of some of the buildings -- Conclusion 176-229 CHAPTER V. THE ACTION OF ...
Pagina
... floors and walle penetrated by worms - Subsidence of a modern pavement — The buried pavement at Beaulien Abbey -Roman villas at Chedworth and Brading - The remains of the Roman town at Silchester - The nature of the débris by which the ...
... floors and walle penetrated by worms - Subsidence of a modern pavement — The buried pavement at Beaulien Abbey -Roman villas at Chedworth and Brading - The remains of the Roman town at Silchester - The nature of the débris by which the ...
Pagina 9
... which they had * ' Bidrag till Skandinaviens Oligochatfauna , ' 1871 . + Die bis jetzt bekannten Arten aus der Familie der Regen wii . mer , ' 1845 . burrowed through the floor of a very damp cellar . CHAP . I. 9 SITES INHABITED .
... which they had * ' Bidrag till Skandinaviens Oligochatfauna , ' 1871 . + Die bis jetzt bekannten Arten aus der Familie der Regen wii . mer , ' 1845 . burrowed through the floor of a very damp cellar . CHAP . I. 9 SITES INHABITED .
Pagina 10
Charles Darwin. burrowed through the floor of a very damp cellar . I have seen worms in black peat in a boggy field ; but they are extremely rare , or quite absent in the drier , brown , fibrous peat , which is so much valued by ...
Charles Darwin. burrowed through the floor of a very damp cellar . I have seen worms in black peat in a boggy field ; but they are extremely rare , or quite absent in the drier , brown , fibrous peat , which is so much valued by ...
Pagina 20
... floor should be caused . When under these circumstances worms were illuminated by a bull's - eye lantern having slides of dark red and blue glass , which in- tercepted so much light that they could be seen only with some difficulty ...
... floor should be caused . When under these circumstances worms were illuminated by a bull's - eye lantern having slides of dark red and blue glass , which in- tercepted so much light that they could be seen only with some difficulty ...
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...