IMPROVED. iji 



forces up the Mercury in the Tube, to the greatefl: 

 Height : So that in the Main, we have a greater 

 Preffure of Air upon the Surface of our Bodies, 

 when the Air is thin, and not agitated by Winds, 

 ^V. than we can poiTibly have otherwife. 



Furtherniore, I fay, that the Air within our 

 Bodies, (ind no doubt but there is a confiderable 

 Portion,) bears an Equality with the Spring of the 

 Air without ; and when dirty foul Weather is com- 

 ing on, the Air within our Blood- VefTels muft be- 

 come lefs elaftick, whereby the Blood moves more 

 Slow and Languid ; and it is then we feel thofe 

 wandering Pains of the Rheumatifm, iffc. (o often 

 complained of by old People of Fourfcore, whofe 

 Bodies are b}' conftant Observation become good 

 Weather-Glaffes. But to return. 



I have faid that a Cold is Perfpiration obllrudled, a Sto- 

 and that it moftly afFefls the Brain and Lungs j mach- 

 for Horfes are not fo much fubjeft to Diforders of ^^^'^^8^^ 

 the Nerves which occafion Coughing, as Man, yet 

 they often have a Stomach-Cough, or, I would fay, 

 a Diforder at the Stomach, which makes them cough- 

 much, and this moftly proceeds from Worms, Bots, 

 i^c. lodged there, or a little lower in the Inteftines 

 or Guts. 



The Cure of a Stomach-Cough confills^ in giving The Cvure. 

 the Korfe fuch Things as deftroy Worms ; thefe are 

 Mercurius Dulcis^ jEthiops Mineral^ or the like : 

 Bat if you give the firft, let it be about a Drachm in 

 Powder for a Doie, mixed in a little Pafte, or ra- 

 ther feme of my Cordial Ball, in an Evening ; and 

 the next Morning give him a Purge, o{ an Ounce of 

 Aloe: ; an Ounce of Cream of Tartar ', and half an 

 Ounce cf Senna in Po^'sder ; make this into two 

 Balls with Syrrup of Buckthorn, and give it the 

 Horfe in the common way. The Mercmrius Dulcis 

 and Purge fhould be given once a Week for three 

 Turns, and I think that may be fufficient ; but mind 

 you never give a Horfe cold Water when he purges, 

 for thofe who do are meer Ignoramus's, and cannot 

 H 4 give 



