Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1921 |
З цієї книги
Результати 1-3 із 58
Сторінка 142
... ground glass , and to give a final adjustment to the rates of the driving clocks . As totality approached , the proportion of cloud diminished , and a large clear space reached the sun about one minute before second contact . Warnings ...
... ground glass , and to give a final adjustment to the rates of the driving clocks . As totality approached , the proportion of cloud diminished , and a large clear space reached the sun about one minute before second contact . Warnings ...
Сторінка 387
... ground within closed turrets of mud several inches high . Where these towers occur it is likely that there is some- thing about the nature of the soil that the insects do not like ; per- haps it is wet and the normal chambers are damp ...
... ground within closed turrets of mud several inches high . Where these towers occur it is likely that there is some- thing about the nature of the soil that the insects do not like ; per- haps it is wet and the normal chambers are damp ...
Сторінка 408
... ground , which is all that matters . Nature is ever careless of the means so long as the object is attained . Some acts of unreasoning creatures are assured by the giving of an instinct , others are forced by taking away the means of ...
... ground , which is all that matters . Nature is ever careless of the means so long as the object is attained . Some acts of unreasoning creatures are assured by the giving of an instinct , others are forced by taking away the means of ...
Зміст
Bureau of American Ethnology | 17 |
Report on the United States National Museum | 25 |
EXECUTIVE COMMITTEE AND REGENTS | 100 |
28 інших розділів не відображаються
Інші видання - Показати все
Загальні терміни та фрази
acromegaly actinium agriculture airplane American appears areas astrographic atom birds blueberry body Bohemia Bureau Calama cent chilling cicada collection color crops culture dormant early eclipse eggs elephants entomologists expedition feet field forest gases geographic geological survey glands glass Government growth Guatemala helium important increase Indians insects interest investigations irrigation J. J. Thomson June 30 land mammoth Manchuria material ment method milpa National Museum natural nebulae Observatory observed obtained opal oxide park period photographs plants plates present production publications pupa radiation radium Ramsay Rathbun recent reclamation region right ascension River scientific Secretary shown Smithsonian Institution Smithsonian Report Sobral solar solar constant South species specimens spiral nebulae spirals stars supply temperature tion trees tropical tube United vacuum tube Valley vitreous volumes Washington wireless telephone