Nature, Količina 79Sir Norman Lockyer Macmillan Journals Limited, 1908 |
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Stran 83
... species were collected . He notes that 299 species ( in 170 genera ) are known to occur in the Antarctic and notial regions ( south of a line between 42 ° and 43 ° S. ) , that of these 192 are confined to the western hemisphere and ...
... species were collected . He notes that 299 species ( in 170 genera ) are known to occur in the Antarctic and notial regions ( south of a line between 42 ° and 43 ° S. ) , that of these 192 are confined to the western hemisphere and ...
Stran 102
... species consisted partly in finding out if the relative numbers of these species appearing every year were at all constant , and , if so , what the " muta- tion coefficient " ( as this number was called ) was ; it consisted also in ...
... species consisted partly in finding out if the relative numbers of these species appearing every year were at all constant , and , if so , what the " muta- tion coefficient " ( as this number was called ) was ; it consisted also in ...
Stran 190
... species , or to species of the less prominent groups , is , I fear , impossible unless a more wholesale method of dealing with the names be adopted . The necessity for extending the settlement to a large number of species of such groups ...
... species , or to species of the less prominent groups , is , I fear , impossible unless a more wholesale method of dealing with the names be adopted . The necessity for extending the settlement to a large number of species of such groups ...
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