Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1911 |
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Стр. 477
... nests , when males appeared . It is , of course , possible that there was error of observation , but there is no doubt that in the sawflies some species produce males , a few , mixed broods , some only females from unfer- tilized eggs ...
... nests , when males appeared . It is , of course , possible that there was error of observation , but there is no doubt that in the sawflies some species produce males , a few , mixed broods , some only females from unfer- tilized eggs ...
Стр. 507
... nests in the ordinary manner of the eumenids , but their larvæ are little known and their mode of feeding and their ... nest by preference on the roofs and walls of houses , at all times , both in the dry or cold season and in the rainy ...
... nests in the ordinary manner of the eumenids , but their larvæ are little known and their mode of feeding and their ... nest by preference on the roofs and walls of houses , at all times , both in the dry or cold season and in the rainy ...
Стр. 508
... nest , which was built in September under the roof of the laboratory of the commission . When collected in October , this nest measured 12 centimeters in length and about 8 centimeters in greatest diameter . It had the appearance of an ...
... nest , which was built in September under the roof of the laboratory of the commission . When collected in October , this nest measured 12 centimeters in length and about 8 centimeters in greatest diameter . It had the appearance of an ...
Стр. 509
... nests are masses of yellow earth , the surface of which bears the marks of the successive balls of earth which the wasp has joined together to form the cells . The maximum number of cells which I found in a single nest did not exceed ...
... nests are masses of yellow earth , the surface of which bears the marks of the successive balls of earth which the wasp has joined together to form the cells . The maximum number of cells which I found in a single nest did not exceed ...
Стр. 510
... nest was pointed out to me by natives on the quarters of the Senegal tirailleurs . I had it brought down with the greatest precau- tions . It was an association of nests forming a band that measured about 30 centimeters in length . The ...
... nest was pointed out to me by natives on the quarters of the Senegal tirailleurs . I had it brought down with the greatest precau- tions . It was an association of nests forming a band that measured about 30 centimeters in length . The ...
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Стр. 27 - Committees of the National Academy of Sciences, the American Association for the Advancement of Science, the...
Стр. 434 - That all money received from the sale of any products or the use of any land or resources of said forest reserves shall be covered into the Treasury of the United States, and for a period of five years from the passage of this act shall constitute a special fund available, until expended, as the Secretary of Agriculture may direct, for the protection, administration, improvement, and extension of Federal forest...
Стр. 3 - President of the United States. Chancellor. — MELVILLE W. FULLER, Chief Justice of the United States. Members of the Institution: WILLIAM H.
Стр. 173 - No right to the use of water for land in private ownership shall be sold for a tract exceeding one hundred and sixty acres to any one landowner, and no such sale shall be made to any landowner unless he be an actual bona fide resident on such land, or occupant thereof residing in the neighborhood of said land, and no such right shall permanently attach until all payments therefor are made.
Стр. 106 - The knowledge that the head of the most prominent scientific institution of America believed in the possibility of human flight was one of the influences that led us to undertake the preliminary investigations that preceded our active work. He recommended to us the books which enabled us to form sane ideas at the outset. It was a helping hand at a critical time, and we shall always be grateful.
Стр. 5 - States as ex officio members, three members of the Senate, three members of the House of Representatives, and six citizens, "two of whom shall be residents of the city of Washington and the other four shall be inhabitants of some State, but no two of them of the same State.
Стр. 22 - Total 72,700 ADVISORY COMMITTEE ON PRINTING AND PUBLICATION. The committee on printing and publication has continued to examine manuscripts proposed for publication by the branches of the Institution and has considered various questions concerning public printing and binding. Twenty-five meetings of the committee were held during the year and 106 manuscripts were passed upon. The personnel of the committee is as follows : Dr. Frederick W. True, head curator of biology, United States National Museum,...
Стр. 313 - I was looking at a reflection of the illuminated slit from one of its faces. This thought was scarcely more than momentary; then the true Interpretation flashed upon me. The light of the nebula was monochromatic, and so, unlike any other light I had as yet subjected to prismatic examination...
Стр. 308 - I was looking, — namely, to extend his novel methods of research upon the Sun to the other heavenly bodies. A feeling as of inspiration seized me. I felt as if I had it now in my power to lift a veil which had never before been lifted ; as if a key had been put into my hands which would unlock a door which had been regarded as forever closed to man — the veil and door behind which lay the unknown mystery of the true nature of the heavenly bodies. This was especially work for which I was to a...
Стр. 311 - The silver-bromide gelatine plate, which I was the first, I believe, to use for photographing the spectra of stars, except for its grained texture, meets the need of the astronomer at all points. This plate possesses extreme sensitiveness ; it is always ready for use ; it can be placed in any position ; it can be exposed for hours ; lastly, immediate development is not necessary, and for this reason, as I soon found to be necessary in...