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Books Bücher 1 - 9 von 9 in The tubes are slender; their average and common diameter is 2.5 mm. although they...
" The tubes are slender; their average and common diameter is 2.5 mm. although they vary from 1 to 3 mm in diameter. Individual tubes can be traced downward for several feet; evidently they are at least 8 feet long, because they penetrate the entire 8.2-foot... "
The Climate of the South of Devon, and Its Influence Upon Health: With Short ... - Seite 174
von Thomas Shapter - 1842 - 258 Seiten
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A Geological Manual

Henry Thomas De La Beche - 1833 - 629 Seiten
...pre-existing limestones, the calcareous matter is more abundant in the upper than in the lower parts of the mass; and we may hence conclude that this explanation is insufficient. If, as has often been done with other limestones, we attribute the origin of the grauwacke limestones in a great...
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The Dynamical Theory of the Formation of the Earth, Band 1

Archibald Tucker Ritchie - 1850
...preexisting limestones, the calcareous matter is more abundant in the upper than in the lower parts of the mass ; and we may hence conclude that this...limestones, we attribute the origin of the grauwacke limestone in a great measure to the exuviz of testaceous animals and polypifers, we must grant the...
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Results of a Biological Survey of the San Francisco Mountain Region and ...

Clinton Hart Merriam, Leonhard Stejneger - 1890 - 136 Seiten
...the pines. The altitude of the pinon belt is 1,800 to 2,100 meters (6,000 to 7,000 feet). The Piiion is more abundant in the upper than in the lower part of the cedar belt, and was common wherever we entered this belt from Walnut Gallon to the Grand Caiion of...
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An American text-book of physiology, Band 1

1900
...important action. In the first place, it-has been shown that it contains an amylolytic enzyme that is more abundant in the upper than in the lower part of the intestine. This enzyme doubtless aids the amylopsin of the pancreatic secretion in converting starches...
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An American Text-book of Physiology, Band 1

Henry Pickering Bowditch - 1900
...important action. In the first place, it has been shown that it contains an atnylolytie enzyme that is more abundant in the upper than in the lower part of the intestine. This enzyme doubtless aids the arnylopsin of the pancreatic secretion in converting starches...
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Summary of Progress of the Geological Survey of Great Britain and the Museum ...

Geological Survey of Great Britain - 1902
...mudstones, is about 180 feet thick, and can be traced on. Sandstones are, on the whole, thicker and more abundant in the upper than in the lower part of the mudstones. Fossils abound along certain lines, not, however, in the grits. Amongst others he has obtained...
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Summary of Progress of the Geological Survey of Great Britain and the Museum ...

Geological Survey of Great Britain - 1902
...mudstones, is about 180 feet thick, and can be traced on. Sandstones are, on the whole, thicker and more abundant in the upper than in the lower part of the mudstones. Fossils abound along certain lines, not, however, in the grits. Amongst others he has obtained...
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U.S. Geological Survey Professional Paper

1969
...as much as several feet thick; in places it is silicified. Both mudstone and limestone are generally more abundant in the upper than in the lower part of the formation ; they form relatively thick units only in the upper part. The basal contact of the Burro...
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North American Fauna, Ausgaben 1-4

1889
...the pines. The altitude of the pifion belt is 1,800 to 2,100 meters (6,000 to 7,000 feet). The Pifiou is more abundant in the upper than in the lower part of the cedar belt, and was common wherever we entered this belt from Walnut Cafion to the Grand Gallon of...
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