Nature, Volume 92Sir Norman Lockyer Macmillan Journals Limited, 1913 |
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Página 17
... character may undergo a progressive evolution in- directly controlled by the action of natural selection . The principle of correlation cannot , however , be invoked to explain the specific forms assumed by the microscleres ; it can ...
... character may undergo a progressive evolution in- directly controlled by the action of natural selection . The principle of correlation cannot , however , be invoked to explain the specific forms assumed by the microscleres ; it can ...
Página 98
... character and by its distribution to be an ancient one . I have long considered that it is probably a fresh - water form that has developed in subantarctic lands , and its dis- covery in South Africa seems to confirm this . In New ...
... character and by its distribution to be an ancient one . I have long considered that it is probably a fresh - water form that has developed in subantarctic lands , and its dis- covery in South Africa seems to confirm this . In New ...
Página 255
... character and the utilising for this purpose of the efforts and activities of our pupils themselves . " The pamphlet contains a description of the system as established , and the different methods adopted in the schools of the county in ...
... character and the utilising for this purpose of the efforts and activities of our pupils themselves . " The pamphlet contains a description of the system as established , and the different methods adopted in the schools of the county in ...
Índice
Hurry Dr J B Ideals and Organisation of a Medical | 13 |
Hurst Major C C Genetics 490 | 63 |
Shipley Dr A E Guy A K Marshall Fauna of British Sullivan M X and F R Reid Soil Catalysis 560 | 85 |
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