See quotation, 1836. Dr. Caspar Wistar (1760–1818) originated these gatherings.

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1818.  His [Dr. Wistar’s] weekly conversation parties during the winter, were the means of concentrating and diffusing every kind of useful intelligence in the philosophical world.—Analectic Mag., xi. 160 (Feb.).

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1829.  I shall never forget these agreeable and instructive Wistar parties at Philadelphia.—Basil Hall, ‘Travels in North America,’ ii. 340.

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1836.  There exists here [in Philadelphia] a club of twenty-four philosophers, who give every Saturday evening very agreeable male parties; consisting of the club, twenty invited citizens and any strangers who may happen to be in town. [Note.] Called Wistar parties, in honour of the late Caspar Wistar, M. D., Professor of Anatomy in the University of Pennsylvania.—P. H. Nicklin, ‘A Pleasant Peregrination,’ pp. 24–5 (Phila.).

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1857.  The remark which old Dr. Chapman (once of his tremendously large village) made one night at a ‘Wistar-Party’ held at his house.—Knick. Mag., l. 528 (Nov.).

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1858.  You know, dear Knick, that ‘Philadelphia Wistar Parties’ are famous.—Id., li. 106 (Jan.).

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