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 2
... perhaps , absolutely , impassable ; but it has been remarked that such ob- stacles are not likely to have endured so long as the oceans . ' It will not be forgotten , of course , that the great changes of level known to have taken place ...
... perhaps , absolutely , impassable ; but it has been remarked that such ob- stacles are not likely to have endured so long as the oceans . ' It will not be forgotten , of course , that the great changes of level known to have taken place ...
Pagina 3
... perhaps , that some eminent biologists , as , for instance , Professor Semper , think it possible that similar faunas in distant parts of the world may sometimes have been brought about by the con- vergence of formerly distinct types ...
... perhaps , that some eminent biologists , as , for instance , Professor Semper , think it possible that similar faunas in distant parts of the world may sometimes have been brought about by the con- vergence of formerly distinct types ...
Pagina 5
... perhaps near the middle of an upland pasture should come to possess a molluscan fauna within a few years of its formation , though a matter of common observation , is certainly a surprising fact , and it is remarkable that writers of ...
... perhaps near the middle of an upland pasture should come to possess a molluscan fauna within a few years of its formation , though a matter of common observation , is certainly a surprising fact , and it is remarkable that writers of ...
Pagina 10
... perhaps when the wold was unenclosed ; remains of a rough pump are to be seen on one of the banks . Water derived solely from rain , & c . , falling in the immediate neighbourhood . No water - weeds are likely to have been planted by ...
... perhaps when the wold was unenclosed ; remains of a rough pump are to be seen on one of the banks . Water derived solely from rain , & c . , falling in the immediate neighbourhood . No water - weeds are likely to have been planted by ...
Pagina 15
... perhaps 150 yards away . The shell - fauna , it will be seen , is a wonderfully rich one , comprising , as it does , eleven species belonging to six genera , including two bivalves and no less than five kinds of coil - shells or ...
... perhaps 150 yards away . The shell - fauna , it will be seen , is a wonderfully rich one , comprising , as it does , eleven species belonging to six genera , including two bivalves and no less than five kinds of coil - shells or ...
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 |
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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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