The Dispersal of Shells: An Inquiry Into the Means of Dispersal Possessed by Fresh-water and Land MolluscaK. Paul, Trench, Trübner & Company, Limited, 1893 - 291 pagini |
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Pagina 4
... distances from water , " but it is unlikely that they intentionally proceed to such spots . Notwithstanding these disabilities , how- ever , we find a wide distribution characterizing many of the creatures , both univalves and bivalves ...
... distances from water , " but it is unlikely that they intentionally proceed to such spots . Notwithstanding these disabilities , how- ever , we find a wide distribution characterizing many of the creatures , both univalves and bivalves ...
Pagina 6
... distances from each other . When rendered impervious by puddling with clay or chalk- 1 Clement Reid , Trans . Norfolk and Norwich Nat . Soc . , v . ( 1892 ) , 272 . mud , or sometimes by a lining of concrete , 6 THE DISPERSAL OF SHELLS .
... distances from each other . When rendered impervious by puddling with clay or chalk- 1 Clement Reid , Trans . Norfolk and Norwich Nat . Soc . , v . ( 1892 ) , 272 . mud , or sometimes by a lining of concrete , 6 THE DISPERSAL OF SHELLS .
Pagina 7
... distance of a mile or even two or three miles from the nearest stream or marsh , and , as the Downs rise to 800 feet , their average height is fully 200 feet above other water , so that the aquatic animals and plants found therein must ...
... distance of a mile or even two or three miles from the nearest stream or marsh , and , as the Downs rise to 800 feet , their average height is fully 200 feet above other water , so that the aquatic animals and plants found therein must ...
Pagina 9
... distance from any other water , and in this were bivalves of two kinds , Sphærium lacustre and Pisidium pusillum , the former in good numbers . In ponds on lower ground and less remote from other water ( but perfectly isolated and out ...
... distance from any other water , and in this were bivalves of two kinds , Sphærium lacustre and Pisidium pusillum , the former in good numbers . In ponds on lower ground and less remote from other water ( but perfectly isolated and out ...
Pagina 10
... distance from any other water , and far above the nearest stream . Between arable fields , but with no ditches near . Probably old , having existed , perhaps when the wold was unenclosed ; remains of a rough pump are to be seen on one ...
... distance from any other water , and far above the nearest stream . Between arable fields , but with no ditches near . Probably old , having existed , perhaps when the wold was unenclosed ; remains of a rough pump are to be seen on one ...
Alte ediții - Afișează-le pe toate
The Dispersal of Shells: An Inquiry Into the Means of Dispersal Possessed by ... Harry Wallis Kew Vizualizare completă - 1893 |
The Dispersal of Shells: An Inquiry Into the Means of Dispersal Possessed by ... Harry Wallis Kew Vizualizare completă - 1893 |
The Dispersal of Shells: An Inquiry Into the Means of Dispersal Possessed by ... Harry Wallis Kew Vizualizare completă - 1893 |
Termeni și expresii frecvente
8vo Parchment Library A. E. WAITE alive animals aquatic attached Binney birds bivalves British Conchology Bulimus carried Cheap Edition clinging colony Conch Conchology creatures Crown 8vo Darwin distances distribution Dreissena polymorpha eggs Elzevir 8vo Parchment English epiphragm F. W. NEWMAN fauna Fcap feet Fifth Edition floating Fourth Edition fresh-water shells Frontispiece garden Grammar Helix Hist Illustrations India introduced islands J. G. Jeffreys Jeffreys Journ kinds Land and Fresh-water land-shells large numbers larvæ Limnæa peregra living Lyell means of dispersal miles molluscs mussel Naturalist numbers observed occasionally occurred Origin Parchment or cloth Philosophical Library Pisidia Planorbis Planorbis carinatus plants pond Portrait Post 8vo probably Professor remarked rivers Sanskrit Science Gossip Second Edition seems seen slugs Small 8vo snails species specimens Sphærium corneum Standen terrestrial Testacella Third Edition tion toes Translated transportal trees Trübner's Oriental Series Vellum vols water-beetles Zoologist
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