Uncle Tom’s Cabin vocabulary

from the Brain, entred one pretty large Optik Nerve, at the end of which grew a great Double Eye; that is, that Membrane, called Sclerotis, which contained both, was one and the same, but seemed to have a Seam, by which they were joined, to go quite round it, and the fore or pellucid part was distinctly separated into two Cornea's by a white Seam that divided them.

The Royal Society. Philosophical Transactions: Giving Some Accompt of the Present Undertakings, Studies,and Labours of the Ingenious in Many Considerable Parts of the World, volume I (1666)

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At the most, some passing Parisian, stopping for some reason in the town, had raised her eyes to his, had asked him perhaps to bring something to her in her room before she left for the station, and in the pellucid, Monotonous, deep void of this existence of a faithful husband and servant in a country town had hidden the secret of a caprice without sequel which no one would ever bring to light.

Marcel Proust. In Search of Lost Time [volume 3]