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the water begins to boil, a violent wind issues forth.Thus a simple experiment enables us to ascertain and de^termine the causes and effects of the great operations ofthe heavens and the winds. In a place sheltered from thewinds, those who are in health preserve it, those who areill soon convalesce, though in other, even healthy places,they would require different treatment, and this entirelyon account of their shelter from the winds. The disordersdifficult to cure in exposed situations are colds, the gout,coughs, phthisis, pleurisy, spitting of blood, and thosediseases which are treated by replenishment instead of ex-haustion of the natural forces. Such disorders are curedwith difficulty. First, because they are the effect of cold;secondly, because the strength of the patient being greatlydiminished by the disorder, the air agitated by the actionof the winds becomes poor and exhausts the body’s moist-ure, tending to make it low and feeble; whereas, that airwhich from its soft and thick nature is not liable to greatagitation, nourishes and refreshes its strength. Accord-ing to some, there are but four winds, namely, Solanus,the east wind, Auster, the south wind, Favonius, the westwind, and Septentrio, the north wind. But those who aremore curious in these matters reckon eight winds; amongsuch was Andronicus Cyrrhestes, who, to exemplify thetheory, built at Athens an octagonal marble tower, oneach side of which was sculptured a figure representingthe wind blowing from the quarter opposite thereto. Onthe top of the roof of this tower a brazen Triton with a rodin his right hand moved on a pivot, and pointed to thefigure of the quarter in which the wind lay. The otherwinds not above named are Eurus, the south-east wind,Africus, the south-west wind, Caurus, by many called

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