1000 resultados para Milne-Edwards, Henri (1800-1885) -- Portraits


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Mode of access: Internet.

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Translation of: Unterhaltungen mit Friedrich dem Grossen.

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Exemplaire, no. 280.

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Förfalskning är ett brott som inte är undersökt i någon vidare utsträckning i den historiska brottsforskningen. Det som finns skrivet om förfalskningsbrott behandlar i mångt och mycket stora och spektakulära förfalskningar, ofta hämtade från konstens och litteraturens områden. Den här uppsatsen undersöker istället de mer vardagliga förfalskningarna. Genom att granska domböcker från Visby rådhusrätt under perioden 1865 – 1885 har uppsatsen undersökt dels hur vanligt förekommande brottet var, dels vad det var som förfalskades. Resultaten pekar på att förfalskning var ett brott som möjliggjordes mer genom 1800-talets samhällsförändringar, exempelvis befolkningsökning och begynnande urbanisering och industrialisering, samt att Visbybrottslingarna inte ägnade sig åt några storslagna förfalskningar. Det visar sig att de flesta förfalskningarna gjordes i syfte att tillägna sig ekonomisk vinning.

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The symbiotic lifestyle is widespread among porcellanid crabs, which maintain ecological and co-evolutionary associations with annelid polychaetes, poriferans, cnidarians, echinoderms, gastropod. mollusks, and other crustaceans such as shrimps and hermit crabs, among others. We investigated the ecological association between the hermit crab Dardanus insignis and the porcellanid Porcellana sayana, in southeastern Brazil. Porcellanid crabs, hermit crabs, and available shells were collected monthly from July 2001 to June 2003, with a shrimp boat equipped with two double-rig trawl nets. The majority of P. sayana specimens were collected in shells occupied by D. insignis (96.6%); a few were found in empty shells (3.4%). The catch of both symbionts and hosts increased with increasing depth, with the highest occurrence at 35 m. The F. sayana crabs of various sizes could be found solitary or forming aggregations of up to 14 individuals per host, showing no sex or size segregation. In spite of the high diversity of shell species occupied by the hermit crabs and also available in the field, only a few of them were also utilized by P. sayana. The majority (93%) of shells utilized by P. sayana also hosted other symbiont species, constituting the basis of extensive symbiotic complexes. Thus, the ecological relationship between D. insignis and P. sayana may be classified as a non-obligate and non-specific symbiosis that may also involve other facultative organisms such as sea anemones. (C) 2008 Elsevier B.V. All rights reserved.

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Eleven new species of the sciophiline genus Cluzobra Edwards are described and illustrated - Cluzobra triocellata, sp.n., Cluzobra accola, sp.n., Cluzobra claripennis, sp.n., Cluzobra papaveroi, sp.n., Cluzobra coptolithus, sp.n., Cluzobra vockerothi, sp.n., Cluzobra sapiranga, sp.n., Cluzobra fluminense, sp.n., Cluzobra fritzmuelleri, sp.n., Cluzobra spinata, sp.n., Cluzobra elpidia, sp.n. Additional specimens of C. fuscipennis Edwards, C. plaumanni Edwards, and C. binocellaris (Edwards) have been identified, extending the distribution range of these species. The species were identified and described based on 173 specimens at different latitudes along the Atlantic Forest in eastern Brazil and northern Argentina. The position of the new species in the groups of species proposed for the genus in the literature is considered. Three areas of endemism are identified for the group, one from southern Brazil, northern Argentina and Paraguay northwards to areas at higher altitudes in the States of Minas Gerais and Rio de Janeiro, one from southern Bahia to the extreme north of the Atlantic Forest, in the State of Rio Grande do Norte, and one in west State of Sao Paulo, extending west and northwards into the states of Mato Grosso do Sul and Goias. This paper raises the number of known Cluzobra to 41 species.

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The discovery of the immature life history stages of Riethia truncatocaudata (Edwards, 1931) from South America allows diagnosis of Riethia Kieffer, 1917 in all stages, incorporating reared species from the complete austral range. Pseudochironomus truncatocaudata Edwards, 1931 is a senior synonym (syn. n.) of Pseudochironomus melanoides Edwards, 1931. We redescribe the male to complement the short original descriptions of R. truncatocaudata and R. melanoides. The species is congeneric with Australian Riethia stictoptera Kieffer, the type species of the genus Riethia. Extensive material available from the western Pacific (Australia, New Zealand and New Caledonia) confirms that the diagnosis extends to a gondwanan clade, likely sister group to the largely northern genus Pseudochironomus Kieffer.

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