Zobrazeno 1 - 10 of 137 pro vyhledávání: '"Ralph W. Dexter"'
5
Historical Aspects of Agassiz's Lectures on Glacial Geology (1860-61)
Autor: Ralph W. Dexter
Publikováno v: Earth Sciences History. 8:75-79
Louis Agassiz (1807-1873) is regarded as one of the founders of glacial geology and the originator of the ice-age theory. His public lectures and popular writings included those topics. In 1860-61 he gave a series of class-room lectures on glacial ge
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6fc4562027ae9a400af7617066c8b5f0
https://doi.org/10.17704/eshi.8.1.2653551221446385
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6
History of American Marine Biology and Marine Biology Institutions Introduction: Origins of American Marine Biology
Autor: Ralph W. Dexter
Publikováno v: American Zoologist. 28:3-6
SYNOPSIS.In the 1840s and 1850s professional naturalists dredged shallow sea-water on the eastern coast of the United States to obtain marine specimens for teaching and research. In 1871 Spencer F. Baird, first U.S. Commissioner of Fish and Fisheries
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8012b92686307e4effc6e6c907774ed3
https://doi.org/10.1093/icb/28.1.3
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7
Historical Aspects of the Calaveras Skull Controversy
Autor: Ralph W. Dexter
Publikováno v: American Antiquity. 51:365-369
In February 1866, workers found a human skull deep in a mine in Calaveras County, California, believed at first to be of Pliocene age. It was passed through several hands before reaching J. D. Whitney, State Geologist of California and Professor of G
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c980990d9d7ab6cca7b8a6116ba53dd8
https://doi.org/10.2307/279949
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9
Hazardous Nesting of the Chimney Swift
Autor: Ralph W. Dexter
Publikováno v: The Auk. 69:289-293
IN the study of nesting Chimney Swifts, Chaetura pelagica L., which occupy the air shafts of three adjacent buildings on the Kent State University campus at Kent, Ohio, observations were made on one bird and its mates which persistently nested in a h
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f46658ab9bac85ab4db228e8a906eaea
https://doi.org/10.2307/4080895
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