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are employed till they be able to digeft the Phlegm, increase the Steam, and clear the Paffages, which generally creates a Struggle, and as 'tis effected, the Water fecretes falt, foul, and turbid.

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SECT. VII.

What make the Steam pafs:

HE Rarifaction of the Steam, the Abatement of the Preffure of the. Atmosphere, the Thinness of the Matter in the Guts, the Cleannefs of the Sides of the Guts, the due Wideness and Cleannefs of the Lacteal Veffels, the due Thinnefs of the Blood, a due Strength in the Muscles of the Heart and Valves; the Cleannefs and Openness of the Capillary Veffels to let it perfpire, or pafs to the Bladders in the Lungs or Pores in the Skin, the Thinnefs and Cleanness of the Skin, and Openness of the Pores; a pure cool Air to bear off the Steam from the Lungs; moderate Action of all the Parts; to which I may add Sleep, in a warm Place or Cover, that rarifies the Steam, thins the Fluids, and ftocks or replenishes all the Parts therewith. If the Blood move briskly, and the outward Parts be lank,

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lank, either the Capillary Veffels are full of Matter fo crafs, that the Steam cannot enter, or the Pores are too open, and let it pafs too quickly out. If the Blood move briskly, and the outward Parts be too full, either the Blood is too thick, and paffes not the Capillary Veffels, or the Steam vents not at the Pores, as it happens when you put your warm Hands into cold Water, the Steam is stopped from venting, the Parts extend, and you feel a burning Heat within them; or when too much Cold has ftagnated the Juices in the Parts, the Steam inflames them. When you have had a free Stool, the crafs Excrements in the upper Guts will be preffed downward, fucceed those discharged, and thinner Fluid will fucceed from the Stomach into the upper Guts, and the greater Length of the upper Guts, is only partly filled with thin Matter, or almoft empty, the Steam will have freer Vent, the Stomach fettle, the inward Heat abate, and the Blood move quicker. And when the Glands, which fecrete the Juices for difcharging the Excrements are emptied, the Laceal Veffels may extend, and be opened wider, and let the Steam pafs in greater Quantity.

SECT.

SECT. VIII.

-Which hinder the Steam from paffing, &c.

THE Craffnefs of the Steam, or its being loaded with Matter not fufficiently divided in the Stomach or Guts, the Craffnefs of the Matter in the Guts, which ftops or clogs it as it paffes through, the Phlegm upon the Sides of the Guts, the Straightness of the Lacteal Veffels, or their being stopped with phlegmy Matter, the Craffness or Thickness of the Blood, the Weakness of the Muscles of the Heart or Valves, which lets go the Steam before it be raised to a due Force, the encreafing the Preffure of the Atmosphere or Cold, the Foulnefs of the Bladders in the Lungs, a thick foul Air, the straightness of the Capillary Veffels, the Craffness of the Matter in them, the Straightness or Foulness of the Pores. If the Steam accustomarily bear off too much Phlegm, it and the Blood will move heavily, the Body will be cold, and the outward Parts of a phlegmy Colour, &c. If the Stomach and all the Guts be extended, and the Blood move not brifkly, either the Steam

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Steam is too grofs, or the Matter in the Guts is too crafs, and the Agents huff and extend them as Leaven does Pafte, or the Lacteal Veffels are too ftraight, or foul, or fwelled, or ftopped by the Fulnefs of the Glands, &c. or the Blood is too crafs, or thick, or tough, and the Meat will be a long Time in digesting and going off. If the Steam rife not in Quantity fufficient, or be obftructed, fo that the Blood move weakly, the outward Parts will be lank, and the Skin flabby or wrinkled.

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Which top the Paffages in the Guts, or fhut their Valves.

THE Sides of the Guts being clogged with tough Phlegm, and they thereby straightned, or large Maffes of Phlegm going off from the Stomach at once, and making almost total Stops, the Toughness and Ropiness of the Excrements being not fufficiently digefted, the Coldness and Toughness of the Phlegm and Excrements, which raises little Steam, but entangles and weakens the Agents, which fhould extend the Guts, and fuffers the

Blood

Blood and Juices to fill the Veffels and Glands in the Sides of the Guts, and thereby contract and ftraighten the Guts, and fwell and fhut the Valves, and hinder the Agents from opening the Mouths of the Glands, and the Juices from iffu-ing for Digeftion and Difcharge; or the Thicknefs or Thinness of the Blood, or the Straightness or Foulness of the Ducts, which hinder the Juices from fecreting into the Glands in the Stomach or Guts, or dry blunt Corpufcles which absorb or blunt those Juices, and hinder their Operation, or stop the Mouths of the Glands; or ftiptick Corpufcles which dry or scorch the Valves of the Glands, the Steam and impelled Juices within the Ducts and Glands; which extend and fwell the Parts for want of Discharge, the violent Fermentation of the Stomach, which bears off all the Humidity out of the Guts, and leaves the Excrements dry; Heat with Action or Motion of the Parts, or Body by Fire, Cover with Clothes, lying too long or too hot in Bed, Spirits, moft Bitters, and every thing which encreases Heat, or goes off in hot quick Steam, and carries. the Fluids too quickly off. If the Matter in the upper Guts be too crass and thick or dry, that the Steam cannot per

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vade

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