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lence may be broken against tbe angles of the differentdivisions of the city, and thus dissipated. Those whoare accustomed to the names of so many winds, willperhaps be surprised at our division of them into eightonly; but if they reflect that the circuit of the earthwas ascertained by Eratosthenes of Cyrene, from mathe-matical calculations, founded on the sun’s course, theshadow of an equinoctial gnomon, and the obliquity ofthe heavens, and was discovered to be equal to twohundred and fifty-two thousand stadia or thirty-one mil-lions and five hundred thousand paces, an eighth partwhereof, as occupied by each wind, being three millionsnine hundred and thirty-seven thousand five hundredpaces, their surprise will cease, because of the numberof impediments and reverberations it must naturally besubject to in travelling such distance through suchvaried space. To the right and left of the south windblow respectively Euronotus and Altanus. On the sidesof Africus, the south-west wind, Libonotus southwardand,. Subvesperus northward. On the southern side ofEavonius, the west wind, Argestes, and on its northernside Etesise. On the western side of Caurus, the north-west wind, Circius, on its northern side Corus. On thewestern and eastern sides respectively of Septentrio, thenorth wind, Thrascias and Gallicus. From the northernside of Aquilo, the north-east wind, blows Supernas,from its southern side Boreas. Solanus, the east wind,has Carbas on its northern side, and Ornithise on itssouthern side. Eurus, the south-east wind, has Cseciasand Vulturnus on its eastern and southern sides re-spectively. Many other names, deduced from particularplaces, rivers, or mountain storms, are given to thewinds. There are also the morning breezes, which thesun rising from his subterranean regions, and actingviolently on the humidity of the air collected duringthe night, extracts from the morning vapours. Theseremain after sunrise, and are classed among the east