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 15
... frequent visits , he found six others , Physa fontinalis and Planorbis vortex in the spring , Planorbis carinatus , Limnæa stagnalis , and Ancylus lacustris a little later , and finally , in June , this small , but prolific pond yielded ...
... frequent visits , he found six others , Physa fontinalis and Planorbis vortex in the spring , Planorbis carinatus , Limnæa stagnalis , and Ancylus lacustris a little later , and finally , in June , this small , but prolific pond yielded ...
Pagina 21
... frequently be found difficult , in individual cases , to ascertain whether a possibility that such is the case really exists . Transportal in this way , to say the least , seems improbable in the three cases 1 C. Reid , " Trans ...
... frequently be found difficult , in individual cases , to ascertain whether a possibility that such is the case really exists . Transportal in this way , to say the least , seems improbable in the three cases 1 C. Reid , " Trans ...
Pagina 22
... frequently cleaned out , I found Limnæa peregra still living there , in 1891 , in good numbers . A very small fish and A very small fish and a water - beetle , no doubt an Acilius , were also seen , but there were no weeds . Artesian ...
... frequently cleaned out , I found Limnæa peregra still living there , in 1891 , in good numbers . A very small fish and A very small fish and a water - beetle , no doubt an Acilius , were also seen , but there were no weeds . Artesian ...
Pagina 26
... frequently met with out of the water than in it . " 1 " Life , Letters , and Journals of Sir C. Lyell , Bart . " , ii . ( 1881 ) , 209 , 212 , in letters dated 1856 . 2 " British Conchology , " i . ( 1862 ) , 107 , 116 . CHAPTER II ...
... frequently met with out of the water than in it . " 1 " Life , Letters , and Journals of Sir C. Lyell , Bart . " , ii . ( 1881 ) , 209 , 212 , in letters dated 1856 . 2 " British Conchology , " i . ( 1862 ) , 107 , 116 . CHAPTER II ...
Pagina 29
... frequent migrations from pond to pond , or from stream to stream , within their own countries , " and liability to wide dispersal , he remarked , “ would follow from this capacity as an almost necessary con- sequence . " The way in ...
... frequent migrations from pond to pond , or from stream to stream , within their own countries , " and liability to wide dispersal , he remarked , “ would follow from this capacity as an almost necessary con- sequence . " The way in ...
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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