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
... wide ranges and singular distributions now en- joyed by many organisms seem , in these circumstances , well - nigh inexplicable ; the ranges of some genera , as everyone is aware , are almost world - wide , some species . extend over ...
... wide ranges and singular distributions now en- joyed by many organisms seem , in these circumstances , well - nigh inexplicable ; the ranges of some genera , as everyone is aware , are almost world - wide , some species . extend over ...
Pagina 3
... wide ranges . It ought also to be remarked , 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 ...
... wide ranges . It ought also to be remarked , 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 ...
Pagina 4
... wide distribution characterizing many of the creatures , both univalves and bivalves , together also with most other freshwater productions . Some species range very widely , and , as Mr. Darwin observes , Darwin , " Nature , " xviii ...
... wide distribution characterizing many of the creatures , both univalves and bivalves , together also with most other freshwater productions . Some species range very widely , and , as Mr. Darwin observes , Darwin , " Nature , " xviii ...
Pagina 27
... wide ranges enjoyed by many , and their local diffusion in isolated waters , as we have seen , clearly imply the existence of means of dispersal . The creatures must certainly have been carried from pool to pool , from river - basin to ...
... wide ranges enjoyed by many , and their local diffusion in isolated waters , as we have seen , clearly imply the existence of means of dispersal . The creatures must certainly have been carried from pool to pool , from river - basin to ...
Pagina 29
... wide ranging power of fresh - water productions could be explained , in most cases , " by their having become fitted , in a manner highly useful to them , for short and frequent migrations from pond to pond , or from stream to stream ...
... wide ranging power of fresh - water productions could be explained , in most cases , " by their having become fitted , in a manner highly useful to them , for short and frequent migrations from pond to pond , or from stream to stream ...
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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