Comentarios de la gente - Escribir un comentario
No encontramos ningún comentario en los lugares habituales.
Otras ediciones - Ver todas
according acid action Alps ancient animals appears atmosphere become blocks bodies bottom carbonic cause cells changes character colour common considerable considered contain continued cooling Cornwall course covered craters deposits depth descend direction effects elevation evidence existing explain extension fact feet flow formation former fossils geological give glaciers Glen greater heat height important indicate instance Islands known lake land latter lavas less lower masses means mentioned metres miles mineral moon moraine mountains nature nearly observed obtained ocean origin pass period portion present probably produced Professor progress prove question referred regions remains remarkable rise rocks round seen shew sides Silurian snow Society species strata striæ supposed surface temperature tion traces valley volcanoes whole
Página 165 - Francis Bowes Stevens, of Hoboken, in the county of Hudson, in the State of New Jersey, in the United States of America, engineer, for improvements in applying means and apparatus to ships and vessels to improve their speed, — being a foreign communication.
Página 233 - It includes only the following conditions, namely, separate origin and distinctness of race, evinced by the constant transmission of some characteristic peculiarity of organization.
Página 295 - ... pervading all these languages there is nothing else than the varied development of common principles, must be convinced that the differences between them are but the result of the gradual deviation of one common language into a multitude of diverging dialects; and the ultimate conclusion that is forced upon us is, that the IndoEuropean nations are the descendants of one original people, and consequently that the varieties of complexion, form, stature, and other physical qualities which exist...
Página 345 - The few remaining trees, stripped of their boughs and foliage, wore a cold and wintry aspect; and the numerous seats in the environs of Bridgetown, formerly concealed amid thick groves, were now exposed and in ruins. " From the direction in which the cocoa-nut and other trees were prostrated next to the earth, the first that fell must have been blown down by a north-north-east wind ; but far the greater number were rooted up by the blast from the northwest.
Página 324 - I experienced at the sight of the terraced-mounds of blocks which occur at the mouth of the valley of Loch Treig, where it joins Glen Spean ; it seemed to me as if I were looking at the numerous moraines of the neighbourhood of Tines, in the valley of Chamouni."1 Mr.
Página 154 - In illustration of the mysterious agencies of nature, which produce the same ends by contrary means, I subjoin two passages from Baron Wrangell's interesting work. " These flat valleys are occasionally filled with water, by the overflowing of the rivers in spring, when they form lakes of various sizes, all very full of fish. The intense frosts of winter cause large clefts in the ground, by which the water drains ofT, sometimes in the course of a single year, sometimes in several. " A curious phenomenon...
Página 146 - It is found in irregular shaped bodies, varying in size from that of a pin's head to a pea or small nut, and when seen in its proper sites, has never been found attached to any support whatever. An analysis of the Lecauora shows that there is no fecula in its composition.
Página 162 - April 8, 1831;, on a petition to the House of Commons, praying that the annual grant to the Roman catholic college at Maynooth may be discontinued. London : Protestant Ass'n Office, 1847. 20 pp. 8°. Milne (David). Observations on the probable cause of the failure of the potato crop, in the years 1845 and 1846. Edinburgh and London: W. Blackwood and Sons, 1847. 2 pl, 53 pp. i pi. 8°. Observations upon certain evils arising out of the present state of the laws of real property in Ireland, and suggestions...