953 resultados para Cullen, William, 1710-1790
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One-page handwritten letter from William Ashurt to President Leverett discussing the annual payment on an unspecified donation, and the progress of the Hopkins' bequest recovery. The folder also contains a handwritten 19th century copy of the letter.
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Cover title.
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Mode of access: Internet.
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Mode of access: Internet.
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Facsimile. Temecula, CA :
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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This letter is from J. A. Dibble to Calvin Spencer regarding William Lides with enclosed papers; these papers were not present with the letter when scanned.
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Mithrax hispidus (Herbst, 1790) is a mithracid majoid crab occurring on sand, corals and rocks in waters of the western Atlantic. Larval development consists of two zoeal stages and a megalopa. All larval stages are described in detail based on multiple cultures. Prior to this study, larvae of M hispidus were considered to be different and grouped separately from most other larvae of Mithrax, primarily based on setation. A detailed morphological examination, based on the same specimens used for the first description, revealed that the inclusion of M hispidus in a separate group is not valid as zoeae now fully agree with the morphological characteristics defined for the other group of five Mithrax species, including M. pleuracanthus, M. verrucosus, M. caribbaeus, M. coryphe, and M. forceps. This illustrates the importance of precisely recording morphological details such as setation, which may otherwise lead to incorrect interpretations with regard to perceived taxonomic affinities. A comparison of larvae of the Mithrax -Mithraculus species complex does not support separation into two genera. Larval evidence supports the recently suggested adult-based synonymization of M caribbaeus with M. hispidus.
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This broadside contains a proposal for a "System of Mensuration" by William Croswell.
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This folder contains two handwritten agreements concerning the exchange of mathematical calculations by Nathan Davies for copies of Croswell's published tables of longitude.
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Two handwritten copies of a request to subscribers for monetary aid to Croswell on the credit of the future sales of his published map.
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Lane addressed the Massachusetts Historical Society about the recent discovery of foundations walls, likely from Goffe College, made during the Boston Elevated Railway's excavations in Harvard Square for the subway on Massachusetts Avenue.