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 8
... locality by carts or on the hoofs of horses . " The absence of bivalves from such ponds , it is true , need hardly be regarded as surprising , but I am unable to agree with Mr. Reid in thinking that the occurrence of the smaller kinds ...
... locality by carts or on the hoofs of horses . " The absence of bivalves from such ponds , it is true , need hardly be regarded as surprising , but I am unable to agree with Mr. Reid in thinking that the occurrence of the smaller kinds ...
Pagina 11
... locality I have the utmost confidence , expresses the opinion that it is in the highest degree improbable , next to impossible , that a flood should have caused a com- munication with any other pond or water - course . Of the plants ...
... locality I have the utmost confidence , expresses the opinion that it is in the highest degree improbable , next to impossible , that a flood should have caused a com- munication with any other pond or water - course . Of the plants ...
Pagina 15
... locality and found Planorbis corneus , but no further kinds were obtained till 1883 , when during frequent visits , he found six others , Physa fontinalis and Planorbis vortex in the spring , Planorbis carinatus , Limnæa stagnalis , and ...
... locality and found Planorbis corneus , but no further kinds were obtained till 1883 , when during frequent visits , he found six others , Physa fontinalis and Planorbis vortex in the spring , Planorbis carinatus , Limnæa stagnalis , and ...
Pagina 32
... localities in which he had formerly found it , and those given in Whiteaves ' list , but only empty shells could be discovered . In 1882 , however , there were floods in July , and the creature came down in vast multitudes with the ...
... localities in which he had formerly found it , and those given in Whiteaves ' list , but only empty shells could be discovered . In 1882 , however , there were floods in July , and the creature came down in vast multitudes with the ...
Pagina 42
... localities suitable for the establishment of new colonies . Quite possibly , however , on the breaking up of frosts , shells thus enclosed in ice or frozen mud may be safely carried , within their own river - basins , to great distances ...
... localities suitable for the establishment of new colonies . Quite possibly , however , on the breaking up of frosts , shells thus enclosed in ice or frozen mud may be safely carried , within their own river - basins , to great distances ...
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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