Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1921 |
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Сторінка 179
... range roughly between the values of 15,000 and 6,000,000 cycles per second . The frequency for any particular generator may be required to vary over a considerable range , in some cases as much as several octaves . In other cases , a ...
... range roughly between the values of 15,000 and 6,000,000 cycles per second . The frequency for any particular generator may be required to vary over a considerable range , in some cases as much as several octaves . In other cases , a ...
Сторінка 343
... range into every point of the compass , and it will probably be found that normal ex- pansion radiates from the bird's original home . It is interesting to note that the Charadriidae are believed by Seebohm to have origi- nated in the ...
... range into every point of the compass , and it will probably be found that normal ex- pansion radiates from the bird's original home . It is interesting to note that the Charadriidae are believed by Seebohm to have origi- nated in the ...
Сторінка 348
... range , are unable to resist slaughter at all seasons . Systematic egg stealing under the cloak of science , but which in reality is the travesty of science , is also responsible for such contraction of range , as in the case of so many ...
... range , are unable to resist slaughter at all seasons . Systematic egg stealing under the cloak of science , but which in reality is the travesty of science , is also responsible for such contraction of range , as in the case of so many ...
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Bureau of American Ethnology | 17 |
Report on the United States National Museum | 25 |
EXECUTIVE COMMITTEE AND REGENTS | 100 |
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