Journal and Proceedings of the Royal Society of New South Wales, Volume 36C. Potter, Acting. Government Printer, 1902 - Science Includes list of members. |
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Page vi - Charter 1882, and I declare that the receipt of the Treasurer for the time being of the said Corporation shall be an effectual discharge for the said Bequest, which I direct to be paid within calendar months after my decease, without any...
Page 186 - ... plants. The rainy seasons in these climates are not continuous, cloudy days, but successions of sudden showers, with the sun shining hot in the intervals. Without shade upon the surface, the water is rapidly exhaled, and springs and streams diminish.
Page 184 - The consequences were not long in following, and have transformed this country into a kind of arid desert. The watercourses are dried up and the irrigating canals empty. The moving sands of the desert being no longer restrained by barriers of...
Page 276 - But, unfortunately, nature never conforms to such arbitrary rules, and the resulting arrangement may be as purely artificial as those that are confessedly so. The character of a species is an extremely composite affair, and it must stand or fall by the sum total of its peculiarities and not by a single one. A specific character in one group may be a generic character in a closely related one, or no character at all. Therefore, there is nothing that involves a broader grasp of facts, the use of an...
Page 185 - It is certain that the fertility of these regions in ancient times was due to stupendous irrigating devices and canals, and when these were neglected, through wars and other untoward circumstances, the fertility necessarily ceased. It is certain that there are ruins of enormous irrigating ditches and canals in Babylonia, where history indicates that there was once a teeming population and great fertility, but where now only a sandy desert greets the eye. Constancy of Rainfall. It has been said that...
Page 185 - ... destruction of the woods has been followed by a diminution in the annual quantity of rain and dew. Indeed, it has long been a popularly settled belief that vegetation and the condensation and fall of atmospheric moisture are reciprocally necessary to each other, and even the poets sing of Afric's barren sand, Where nought can grow, because it raineth not, And where no rain can fall to bless the land, Because nought grows there.
Page 195 - ... as great as that of steel. * It is remarkable that elastic yielding of the upper strata of the earth, in the case where the sea does not cover the whole surface, may lead to an apparent augmentation of oceanic tides at some places, situated on the coasts of continents. This subject is investigated in the Report for 1882 of the Committee of the British Association on " The Lunar Disturbance of Gravity.
Page iv - Federal officials could either prevent or detect. This can only be done by the keen eye and active and careful supervision of individual and private interest. The construction of this road ought therefore to be committed to companies incorporated by the States or other agencies whose pecuniary interests would be directly involved.
Page 195 - It is an almost universal and, I believe, well-founded opinion, that the protection afforded by the forest against the escape of moisture from its soil by superficial flow and evaporation insures the permanence and regularity of natural springs, not only within the limits of the woods, but at some distance beyond its borders, and thus contributes to the supply of an element essential to both vegetable and animal life. As the forests are destroyed, the springs which flowed from the woods, and, consequently,...
Page 298 - Archipclago.t which terminate in submarine slopes, inclined at angles of between thirty and forty degrees, and sometimes even at more than forty degrees : every one knows how steep such a slope would appear on the land. Banks of this nature, if uplifted, would probably have nearly the same external form as the platform of the Blue Mountains, where it abruptly terminates over the Nepean.