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(ca. 1858)]</mods:title></mods:titleInfo><mods:name type="personal" authority="gnd" valueURI="http://d-nb.info/gnd/118643967" authorityURI="http://d-nb.info/gnd/"><mods:displayForm>Agassiz, Louis</mods:displayForm><mods:namePart>Agassiz, Louis</mods:namePart><mods:role><mods:roleTerm type="code" authority="marcrelator">aut</mods:roleTerm><mods:roleTerm>author</mods:roleTerm></mods:role></mods:name><mods:name type="personal" authority="gnd" valueURI="http://d-nb.info/gnd/118505831" authorityURI="http://d-nb.info/gnd/"><mods:displayForm>Baer, Karl Ernst von</mods:displayForm><mods:namePart>Baer, Karl Ernst von</mods:namePart><mods:role><mods:roleTerm type="code" authority="marcrelator">rcp</mods:roleTerm><mods:roleTerm>addressee</mods:roleTerm></mods:role></mods:name><mods:name type="corporate"><mods:namePart>Kaiserliche Akademie der Wissenschaften, St. Petersburg</mods:namePart><mods:role><mods:roleTerm type="code" authority="marcrelator">oth</mods:roleTerm><mods:roleTerm>other</mods:roleTerm></mods:role></mods:name><mods:typeOfResource manuscript="yes">text</mods:typeOfResource><mods:originInfo><mods:dateCreated encoding="w3cdtf" keyDate="yes">1858</mods:dateCreated><mods:place><mods:placeTerm type="text">Cambridge, Mass.</mods:placeTerm></mods:place></mods:originInfo><mods:language><mods:languageTerm authority="iso639-2b" type="code">ger</mods:languageTerm><mods:languageTerm type="text">Deutsch</mods:languageTerm></mods:language><mods:physicalDescription><mods:extent>1 Brief, 2 Blatt (2 beschriebene Seiten), 4°</mods:extent></mods:physicalDescription><mods:abstract type="content">Schickte an Baer vor etwa einem Jahr die ersten beiden Hefte seiner "Contributions" (Contributions to the natural history of the United States of America, 1857–1862), die die Embryologie der Schildkröten enthalten. Wünscht Rückmeldung, da er zahlreiche Hefte an ehemalige Freunde in Europa verschickt hatte, ohne Resonanz zu erhalten, und unsicher ist, ob die Sendungen überhaupt angekommen sind. Möchte Tausch von Naturalien aus Nordamerika mit dem Museum der Akademie der Wissenschaften anregen, er hat seit 12 Jahren gesammelt und bei der Ordnung viele Dubletten festgestellt. Jetzt möchte er die Sammlung durch deren Tausch erweitern. Vor allem sucht er Objekte aus Russisch-Nordamerika [Alaska], Kamtschatka und dem Amurgebiet, selbst kann er Naturalien aus dem nördlichen Teil des Kontinents sowie aus Kalifornien anbieten, gerade Exemplare seiner lebendiggebärenden Fische von dort sollten von Interesse für Baer sein. 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