The Scientific Monthly, Volumen8James McKeen Cattell American Association for the Advancement of Science, 1918 |
Dentro del libro
Resultados 1-5 de 32
Página 26
... grass with divided leaves because no trace of such a variation has ever been known to occur in human experience . Natural selection must take what has arrived as a basis for what it may succeed in building up . It is like a builder who ...
... grass with divided leaves because no trace of such a variation has ever been known to occur in human experience . Natural selection must take what has arrived as a basis for what it may succeed in building up . It is like a builder who ...
Página 112
... grass- hoppers was imminent , and extensive cooperative plans were immediately made . Winter meetings were held throughout many of the counties in the western one third of the state , and the farmers were organized and plans matured for ...
... grass- hoppers was imminent , and extensive cooperative plans were immediately made . Winter meetings were held throughout many of the counties in the western one third of the state , and the farmers were organized and plans matured for ...
Página 129
... grasses . He was ac- companied by his son , Frank H. Hitchcock , as assistant . The technical report upon the grasses has already been published.1 A brief statement of the topography and climate of Mexico and a record of some general ...
... grasses . He was ac- companied by his son , Frank H. Hitchcock , as assistant . The technical report upon the grasses has already been published.1 A brief statement of the topography and climate of Mexico and a record of some general ...
Página 138
... GRASSES Locality State Approximate Altitude in Feet Date Field Numbers of the Speci- mens 1. Monterey .. Nuevo León 1,500 July 6-9 5517-5578 2. Saltillo . Coahuila 5,000 10-14 5579-5652 3. San Luis Potosí . San Luis Potosí . 46 6,300 15 ...
... GRASSES Locality State Approximate Altitude in Feet Date Field Numbers of the Speci- mens 1. Monterey .. Nuevo León 1,500 July 6-9 5517-5578 2. Saltillo . Coahuila 5,000 10-14 5579-5652 3. San Luis Potosí . San Luis Potosí . 46 6,300 15 ...
Página 140
... grass about six inches high with large purple spikelets . BOTANICAL AND AGRICULTURAL OBSERVATIONS The observations ... grasses ; the latter especially by cactuses , agaves , yuccas , and various thorny shrubs . In a more or less ...
... grass about six inches high with large purple spikelets . BOTANICAL AND AGRICULTURAL OBSERVATIONS The observations ... grasses ; the latter especially by cactuses , agaves , yuccas , and various thorny shrubs . In a more or less ...
Otras ediciones - Ver todas
Términos y frases comunes
activity advance ALEŠ HRDLIČKA Allies altitude amendment American applied army average beetle bioelectric biological Bureau calories cell cent character chemical circuit Constitution crambid daily heat production Danish DAVID SPENCE democracy Denmark Dolomieu economic effect electrical ence engineer entomologists evolution fact factor field France French geology German grass helium Hemiptera human Hymenoptera ical ideals important increase individual industry influence insects interest investigations Joseph Barrell JOSEPH JASTROW labor language large number League of Nations less living material mathematics matter means ment metabolism metal Mexico military mountain nature noctuid organization panicle peace period physical plants possible present problems Professor progress protoplasmic question region relation represented River Russia schools scientific Slesvig social society species stimulation surface theory tion tissue transmission United University variation Veracruz
Pasajes populares
Página 307 - The removal, so far as possible, of all economic barriers and the establishment of an equality of trade conditions among all the nations consenting to the peace and associating themselves for its maintenance.
Página 321 - Absolute freedom of navigation upon the seas, outside territorial waters, alike in peace and in war, except as the seas may be closed in whole or in part by international action for the enforcement of International covenants.
Página 334 - There can surely be no necessity to answer that argument. The negative of the President applies only to the ordinary cases of legislation. He has nothing to do with the proposition, or adoption, of amendments to the Constitution.
Página 331 - States, to devise such further provisions as shall appear to them necessary to render the constitution of the federal government adequate to the exigencies of the union...
Página 316 - The Turkish portions of the present Ottoman Empire should be assured a secure sovereignty, but the other nationalities which are now under Turkish rule should be assured an undoubted security of life and an absolutely unmolested opportunity of autonomous development, and the Dardanelles should be permanently opened as a free passage to the ships and commerce of all nations under international guarantees.
Página 301 - Committee to consider the various problems which will arise in connection with currency and the foreign exchanges during the period of reconstruction and report upon the steps required to bring about the restoration of normal conditions in due course.
Página 63 - It was the lesson of our great ancestor: The people should be cherished; They should not be downtrodden; The people are the root of a country; The root firm, the country is tranquil.
Página 307 - The present German Government which has undertaken the responsibility for this step towards peace has been formed by conferences and in agreement with the great majority of the Reichstag. The chancellor, supported in all of his actions by the will of this majority, speaks in the name of the German Government and of the German people.
Página 327 - SECTION 1. After one year from the ratification of this article the manufacture, sale, or transportation of intoxicating liquors within, the importation thereof into, or the exportation thereof from the United States and all territory subject to the jurisdiction thereof for beverage purposes is hereby prohibited.
Página 333 - They knew — the history of the world told them — the nation they were founding, be its existence short or long, would be involved in war; how often, or how long continued, human foresight could not tell; and that unlimited power, wherever lodged at such a time, was especially hazardous to freemen. For this and other equally weighty reasons they secured the inheritance they had fought to maintain, by incorporating in a written Constitution the safeguards which time had proved were essential to...