 ... and other phytophagous or vegetable-eating animals exceedingly precarious. It is highly probable that a careful investigation in this direction will lead us to the conclusion that the land mollusks which inhabit arid areas have, through selection,...  Annals & Magazine of Natural History - Page 3561877Full view - About this book
 | 1877 - 786 lehte
...dependent upon the rainfall ; this last occurring infrequently makes the food supply of land mollusks and other phytophagous or vegetable-eating animals...the conclusion that the land mollusks which inhabit these arid areas have, through selection, adaptation, and evolution, become especially fitted for the... | |
 | 1874 - 444 lehte
...dependent on the rainfall; this last occurring infrequently makes the food supply of land mollusks and other phytophagous or vegetable-eating animals...than related forms in what may be considered more favorable region1;, and through and by reason of their long sleep or hibernation, more properly estivation,... | |
 | California Academy of Sciences - 1876 - 448 lehte
...dependent upon the rainfall; this last occurring infrequently makes the food supply of land moDusks and other phytophagous or vegetable-eating animals...adaptation and evolution, become especially fitted for the •Smithsonian Misc. Coll., No. 194. contingencies of their habitat, and possess a greater degree of... | |
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