I would have taken the liberty, of troubling you with a letter before I left Quebec; but being in hopes of making some observations at my arrival here, to join with those I now inclose, made at Quebec since I had the honor of transmitting to you my last, I deferred it till now, and am sorry to inform you, I have had no success with Jupiter's satellites, and must wait till after the conjunction of the planet with the Sun; when I shall use all my endeavours, to supply my losses that way, this season, through the badness of the weather, my travels, and the survey.
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