1000 resultados para Cullen, William--1710-1790


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v.9-10=no.289-360 (1795-1796)

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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.

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Contains an itemized list of costs for painting and glazing tasks to be completed and supplies needed by Watson for Holden Chapel. Tasks include painting Doctor Warren's room twice, painting window sashes and shutters, transporting glass from Boston, and setting each window pane. Supplies needed include oil, white lead, and putty.

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Hunnewell writes Storer regarding estimates to raise Massachusetts Hall one storey. Hunnewell mentions that the carpenter would like Storer to clarify the particulars of the renovation, so he can provide an accurate estimate.

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In this letter, J. Hunnewell writes President Willard with estimates for a new roof for Massachusetts Hall. Hunnewell enclosed estimated costs from both a carpenter and a mason for slate and composition roofs. Estimates include supply and labor costs.

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Notes on various cases, including cases of burglary, debt, fraud, libel, receiving stolen goods, and one case of attempted murder of an infant by his mother.

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Letter from Harvard president Joseph Willard to his brother (Samuel’s father) William Willard recommending a young preacher, Micah Stone, (Harvard College Class of 1790), to be assigned to Petersham’s church. He describes Stone as “liberal and catholic.” President Willard explains that he has asked Samuel to post the letter because, “I am just setting out upon a journey for my health, and leave this letter to be forwarded to you by your son.”