Vista, after the departure of the ‘Eclair,’ and was very fatal; great numbers of the inhabitants were attacked. In 1846, during the march of the Mormon worshippers across the desert, on their road to the new state of Deseret or Utah, after their expulsion from Nauvoo, they were greatly afflicted by endemic disease, chiefly remittent and yellow fevers. In one camp alone, 31 per cent. suffered, and the road was marked throughout with the graves of those who perished. They also suffered much from a kind of strange scorbutic disease, which they named the ‘black canker,’ and which was frequently fatal. At this time it was remarked, a few days before disease fastened on the potatoes, that a dense cloud, resembling a thick fog, overspread the entire country; it differed from a common fog in being quite dry and having a disagreeable odour. To continue: this year and the following, 1847, epidemic remittent fever was prevalent in Scotland. In Glasgow it was noticed that a remarkable change had taken place in the epidemic constitution. Exanthematous typhus--a sort of continued fever, characterized along with other symptoms by an eruption over the body resembling measles, running a course on an average of twenty-one days, carrying off about 10 per cent.,--was supplanted by a remittent fever, sometimes attended with petechiæ, but not with the measly eruption: it was also often accompanied by jaundice. Epistaxis was very frequent; when the disease occurred in women about the menstrual period, the discharge was universally copious, and very many women in a state of pregnancy, who were seized with the malady, aborted; a crisis generally was formed on the seventh day; relapses were frequent,--in fact, almost invariable under any and every precaution: the mortality amounted to about 3½ per cent.; about 15,000 persons fell victims to this disease, principally those residing in the ill-ventilated and filthy parts of the town,--the poor and distressed. The smallness of the mortality compared with the severity of the symptoms, and the debility it left behind, was a matter of surprise. This malady appears to have been very similar to that which prevailed in Dublin in 1826. Rutty, in his diseases of Dublin during forty years, mentions several epidemics which resembled the malady at Glasgow. They occurred in 1740, 1745, 1764, and 1765. There is also some resemblance between this fever and that which prevailed in Dublin in 1816, as reported by Dr. Stokes.