576 resultados para Flying geese
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Spanish: [v.10] The tall woman, by P.A. de Alarcón. -- The white butterfly, by J. Selgas. -- The organist, by G.A. Becquer. -- Moors and Christians, by P.A. de Alarcón. -- Bread cast upon the waters, by Fernan Caballero.
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Variant issue: series title on half title; errata slip inserted at p. [ix].
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In the name of friendship.--Was Chet Smalley honest?--The medicine keg.--The throw-away dance.--Jake Hoover's pig.--A gun trade.--The whiskey peddler.--The post-office at Wolftail.--Jew Jake's Monte.--At the bar.--Pap's pinto.--The bullet's proof.--The Indian's god.--Bravery.--What followed a sermon.--Cranks.--The flying Dutchman.
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Reprinted from Smithsonian reports for 1897, 1900, 1901 and 1904.
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[Michiganensian caption: "Off to a flying start, Stoller, center, stepped ahead to win against Indiana."]
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[Ensian caption: "A flying start is always an advantage to a competitor in speed swimming events in the spacious, modern Women's Swimming Pool."]
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Title on flying leave: Seitan gaisho Suikoden.
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Mode of access: Internet.
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"AVN-130."
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Thesis (doctoral)--Universität Basel, 1898.
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Extinction of the ballet. Operatic management. Musical agents. Libretti. Operatic and theatrical anomalies. The literary maltreatment of music. Dictionaries of music. Grove's musical dictionary. Quartett concerts and the classical in music. Reasonableness of opera. Tatra Füred, and the music of the Hungarian gipsies. The byeways of bookmaking.
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Epidemics of marine pathogens can spread at extremely rapid rates. For example, herpes virus spread through pilchard populations in Australia at a rate in excess of 10 000 km year(-1), and morbillivirus infections in seals and dolphins have spread at more than 3000 km year(-1). In terrestrial environments, only the epidemics of myxomatosis and calicivirus in Australian rabbits and West Nile Virus in birds in North America have rates of spread in excess of 1000 km year(-1). The rapid rates of spread of these epidemics has been attributed to flying insect vectors, but flying vectors have not been proposed for any marine pathogen. The most likely explanation for the relatively rapid spread of marine pathogens is the lack of barriers to dispersal in some parts of the ocean, and the potential for long-term survival of pathogens outside the host. These findings caution that pathogens may pose a particularly severe problem in the ocean. There is a need to develop epidemic models capable of generating these high rates of spread and obtain more estimates of disease spread rate.
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Remote measurement of the physiology, behaviour and energetic status of free-living animals is made possible by a variety of techniques that we refer to collectively as 'biotelemetry'. This set of tools ranges from transmitters that send their signals to receivers up to a few kilometers away to those that send data to orbiting satellites and, more frequently, to devices that log data. They enable researchers to document, for long uninterrupted periods, how undisturbed organisms interact with each other and their environment in real time. In spite of advances enabling the monitoring of many physiological and behavioural variables across a range of taxa of various sizes, these devices have yet to be embraced widely by the ecological community. Our review suggests that this technology has immense potential for research in basic and applied animal ecology. Efforts to incorporate biotelemetry into broader ecological research programs should yield novel information that has been challenging to collect historically from free-ranging animals in their natural environments. Examples of research that would benefit from biotelemetry include the assessment of animal responses to different anthropogenic perturbations and the development of life-time energy budgets.
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The monarch butterfly, Danaus plexippus, is one of Australia's best-known exotic butterflies, being first recorded here in the spring/summer of 1870/1871. However, the source of the original population is unknown. Using historical records we suggest that the most likely source of the founder population was from Vanuatu and/or New Caledonia. Many almost simultaneous 'first records' for the butterfly in Australia suggest that a large, well-distributed population was present when first noticed. While such a population may have developed from a limited number of individuals flying across the Coral Sea, the well documented, very dramatic appearance of large monarch populations in Australia does not appear to fit this model. Rather, we hypothesise that large numbers of monarchs were carried to Australia on cyclonic winds: no fewer that 3 cyclones hit the Queensland coast in early 1870. If one or more of these cyclones tracked from the Vanuatu/New Caledonia chain, then they may have transported monarchs. Once established on the central/northern Queensland coast, natural migration would account for the appearance of butterflies further south.
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Optical coherence tomography (OCT) is an emerging coherence-domain technique capable of in vivo imaging of sub-surface structures at millimeter-scale depth. Its steady progress over the last decade has been galvanized by a breakthrough detection concept, termed spectral-domain OCT, which has resulted in a dramatic improvement of the OCT signal-to-noise ratio of 150 times demonstrated for weakly scattering objects at video-frame-rates. As we have realized, however, an important OCT sub-system remains sub-optimal: the sample arm traditionally operates serially, i.e. in flying-spot mode. To realize the full-field image acquisition, a Fourier holography system illuminated with a swept-source is employed instead of a Michelson interferometer commonly used in OCT. The proposed technique, termed Fourier-domain OCT, offers a new leap in signal-to-noise ratio improvement, as compared to flying-spot OCT systems, and represents the main thrust of this paper. Fourier-domain OCT is described, and its basic theoretical aspects, including the reconstruction algorithm, are discussed. (C) 2004 Elsevier B.V. All rights reserved.