Nature, Volumen45Nature Publishing Group, 1892 |
Dentro del libro
Resultados 6-10 de 86
Página 31
... taken . " Assertions , however , are not proofs ; but if Mr. Syme will point out where Darwin defines natural selection as " the struggle for existence , " and where Darwin " insists that variations are created by natural selection ...
... taken . " Assertions , however , are not proofs ; but if Mr. Syme will point out where Darwin defines natural selection as " the struggle for existence , " and where Darwin " insists that variations are created by natural selection ...
Página 32
... taken by Prof. Pictet at the instance of Prof. Liebreich , of the Pharmacological Institute , Berlin . Chloroform has hitherto been considered a most unstable and easily defiled substance . The action of sunlight , the slight impurities ...
... taken by Prof. Pictet at the instance of Prof. Liebreich , of the Pharmacological Institute , Berlin . Chloroform has hitherto been considered a most unstable and easily defiled substance . The action of sunlight , the slight impurities ...
Página 33
... taken up until they were nearly ripe , it was obvious that the roots and their nodules could not be examined during growth , but only at the conclusion , when it was to be supposed that the contents of the nodules would be to a great ...
... taken up until they were nearly ripe , it was obvious that the roots and their nodules could not be examined during growth , but only at the conclusion , when it was to be supposed that the contents of the nodules would be to a great ...
Página 40
... taken off , so that the exposed surface was smooth . Whoever the workers may have been , many centuries must have passed since their mines were abandoned . Their trenches and openings have been filled up , or nearly so . Monstrous trees ...
... taken off , so that the exposed surface was smooth . Whoever the workers may have been , many centuries must have passed since their mines were abandoned . Their trenches and openings have been filled up , or nearly so . Monstrous trees ...
Página 49
... taken by shrimpers . It is the first attempt ever made to collect accurate data as to the proportion of living and dead fish brought up in a trawl net worked upon a certain kind of bottom for a certain length of time . The information ...
... taken by shrimpers . It is the first attempt ever made to collect accurate data as to the proportion of living and dead fish brought up in a trawl net worked upon a certain kind of bottom for a certain length of time . The information ...
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Pasajes populares
Página 175 - A wonderful and horrible thing is committed in the land; the prophets prophesy falsely, and the priests bear rule by their means; and my people love to have it so: and what will ye do in the end thereof?
Página 79 - THE COLLIERY MANAGER'S HANDBOOK. A Comprehensive Treatise on the Laying-out and Working of Collieries, Designed as a Book of Reference for Colliery Managers, and for the Use of Coal-Mining Students preparing for First-class Certificates. By CALEB PAMELY, Mining Engineer and Surveyor ; Member of the North of England Institute of Mining and Mechanical Engineers ; and Member of the South Wales Institute of Mining Engineers. With 700 Plans, Diagrams, and other Illustrations.
Página 185 - No change is made in the orthography of foreign names in countries which use Roman letters : thus Spanish, Portuguese, Dutch, &c., names will be spelt as by the respective nations.
Página xxxi - SON OF THE MARSHES, A." From Spring to Fall ; or, When Life Stirs. By
Página 300 - PRIZE," be awarded every two years to the author of the best Essay on some subject of Pure Mathematics, Astronomy, or other branch of Natural Philosophy. 2. That the...
Página 164 - FRS, Vice-president, in the chair. — The Secretary read a report on the additions that had been made to the Society's menagerie during the month of November 1892. — Dr. Hickson read a paper entitled "A Revision of the Genera of the Alcyoaaria Stolonifera, with a description of one new genus and several new species.
Página 301 - These seeds are not sold to the general public, but are available for exchange with colonial, Indian, and foreign botanic gardens, as well as with regular correspondents of Kew. No application, except from remote colonial possessions, can be entertained after the end of March.
Página 93 - ... provided for, which have for their object the advancement of human knowledge or the benefit of mankind in general, rather than to researches directed to the solution of questions of merely local importance.
Página 225 - Yet in each soul is born the pleasure Of yearning onward, upward and away. When o'er our heads, lost in the vaulted azure. The lark sends down his flickering lay, When over crags and piny highlands The poising eagle slowly soars, And over plains and lakes and islands The crane sails by to other shores.
Página 65 - ... foot-tons of energy which have hitherto escaped notice. To unlock this boundless store and subdue it to the service of man is a task which awaits the electrician of the future. The latest researches give well-founded hopes that this vast storehouse of power is not hopelessly inaccessible.