Philosophical Transactions of the Royal Society of London, Том 138W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1848 |
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Сторінка 137
... thickness nor spreads upwards till the ascending current takes place , and that it ascends and spreads as long as the ascending current continues . 2 3 4 5 6 7 8 9 10 11 -- In summer time , between the hour of noon and that of the ...
... thickness nor spreads upwards till the ascending current takes place , and that it ascends and spreads as long as the ascending current continues . 2 3 4 5 6 7 8 9 10 11 -- In summer time , between the hour of noon and that of the ...
Сторінка 143
... thickness and length as the valves increase in size and thickness . This cellular or tubular structure , as the shell increases in size , also fills up , as far as the margin of the outer coat , the notches on the edge of the inner coat ...
... thickness and length as the valves increase in size and thickness . This cellular or tubular structure , as the shell increases in size , also fills up , as far as the margin of the outer coat , the notches on the edge of the inner coat ...
Сторінка 144
... thickness of the plates , the teeth and laminæ being thicker and more numerous on the outer than on the inner coat . This kind of edge does not occur , as far as my observation extends , in any other mollusca , for it is very unlike the ...
... thickness of the plates , the teeth and laminæ being thicker and more numerous on the outer than on the inner coat . This kind of edge does not occur , as far as my observation extends , in any other mollusca , for it is very unlike the ...
Сторінка 144
... thickness of the plates , the teeth and laminæ being thicker and more numerous on the outer than on the inner coat . This kind of edge does not occur , as far as my observation extends , in any other mollusca , for it is very unlike the ...
... thickness of the plates , the teeth and laminæ being thicker and more numerous on the outer than on the inner coat . This kind of edge does not occur , as far as my observation extends , in any other mollusca , for it is very unlike the ...
Сторінка 185
... thickness at the posterior part ... 231 Length of the alveolar parapet for twenty teeth .. 15 41 2 11 ... 94 Breadth from the anterior termination of the alveolar space across to the inner margin Height of the alveolar parapet at the ...
... thickness at the posterior part ... 231 Length of the alveolar parapet for twenty teeth .. 15 41 2 11 ... 94 Breadth from the anterior termination of the alveolar space across to the inner margin Height of the alveolar parapet at the ...
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acetate alcohol ammonia analysis aperture baryta baryta salt Belemnite Belemnoteuthis blow-hole boiling bone Bristol Channel Calculated numbers carbonic acid cerotic acid channel Chinese wax chlorine coast colour contained copper corrected cotidal lines crystals dentary dissolved diurnal inequality dried equation erythric erythric acid ether evernesic evernic acid experiments footstalk formula grains heat high water Holyhead Iguanodon inch Increment found inserted Irish Sea leaf lichen light lime liquid London low water lunitidal intervals MDCCCXLVIII mean melting-point memoir nearly needles number of bands observations Observatory obtained ocean orcin orsellesic acid orsellic acid Oxford Clay peristome Philosophical Transactions phragmocone Plate XV portion position posterior potash precipitate prism quantity rays remarkable Royal Medals Royal Society salt gave SCHUNCK side silver soluble solution specimen spectrum stomach stream substance gave sulphate surface teeth temperature tendril tide tion tooth upper urine valves vessel water heights Waterville zinc
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Сторінка 130 - If we compare the mean temperatures of places that differ considerably from each other in latitude, we shall find that the mean values are lower as we proceed north. If we compare the mean temperatures of places having the same latitude, we shall find that the mean value of those situated at the higher level will be less than those at the lower level. If we compare places having the same latitude, we shall find that the mean temperatures of those places situated inland will be higher in the summer...
Сторінка 243 - It has never been resolved into simpler or elementary influences, and may perhaps best be conceived of as an axis of power having contrary forces, exactly equal in amount, in contrary directions.
Сторінка 105 - Channel, as before observed, experiments have shown that, notwithstanding the variety of times of high water throughout the Channel, the turn of the stream...
Сторінка 108 - The portion of the stream which sets into Belfast Lough, splits off Grey Point; one portion flowing up towards Garmoyle, while the other bends back along the shore of Bangor, Groomsport, and Orlock, and blends with the general stream which has come on from the Maidens and Blackhead...
Сторінка 240 - ... the intensity. This expression indicates a uniform intensity, so that there are no bands at all. Secondly, suppose p to increase algebraically in passing from the red to the blue. This will be the case in Sir David Brewster's experiment when the retarding plate is held at the side on which the blue is seen. It will be the case in Professor Powell's experiment when the first arrangement is employed and N is negative, or when the second arrangement is employed and N is positive. In this case w...
Сторінка 189 - Iguanodon would be 1 1 feet 5 inches ; which exceeds that of the Megatherium. If there be any part of the skeleton of the Iguana which may with greater probability than the rest be supposed to have the proportions of the corresponding part of the Iguanodon, it is the lower jaw, by virtue of the analogy of the teeth and the substances they are adapted to prepare for digestion. Now the lower jaw gives the length of the head in the Iguana, and this equals the length of six dorsal vertebrae, so that...
Сторінка 197 - Iguanodon, and the magnitude of the anterior outlets which gave exit to the vessels and nerves that supplied the front of the mouth, indicate the great development of the integuments and soft parts with which the lower jaw was invested. The sharp ridge bordering the deep groove of the symphysis, in which there are also several foramina, evidently gave attachment to the muscles and integuments of the under lip ; while two deep pits for the insertion of the protractor muscles of the tongue, manifest...
Сторінка iii - Angularity of the subjects, or the advantageous manner of treating them, without pretending to answer, or to make the Society answerable, for the certainty of the facts, or propriety of the reasonings, contained in the several Papers so published, - which must still rest on the credit or judgment of their respective Authors.