Note 484 — PART I. (continued 2)

This is attributed to the dews, which fall in small quantities during the nights at that season, and which the natives who sleep abroad have nothing to shelter them from; and as the Europeans, who usually sleep on bedsteads, are exempted from this complaint, and, by lying abroad without this conveniency, have been seized with the ophthalmia, this conjecture seems to have some foundation in experience.