PURGATION. 283 



from twelve to fourteen drachms, cremor tartar 

 an ounce or two ; ginger, freOi and finely 

 grated, a tea-fpoon full , fine falad oil a table- 

 fpoon full ; make the mafs with treacle or fyrup 

 of buckthorn, and fifted oat flour, into two or 

 three balls. I formerly, on the credit of fome 

 old writers, ufed jalap by way of quickening 

 the operation of aloes ; but it has lately been 

 averred, that no quantity of jalap will purge a 

 horfe. It is my duty, however, to obferve, that 

 I was cautioned againfl; placing too great a de- 

 pendance on the accuracy of certain experi' 

 ments, by an eye-witnefs. Long experience 

 has convinced me that the fewnefs of the ingre- 

 dients by no means detracts either from the effi- 

 cacy or fafety of this purge. 



No. 4. The ALOETic purge, from Gib- 

 fon. Succotrine aloes ten drachms ; jalap and 

 fait of tartar, of each tw^o drachms ; grated gin- 

 ger one drachm ; chemical oil of annifeeds 

 thirty drops ; fyrup of buckthorn enough to 

 form the ball, which roll in liquorice powder 

 or flour. 



No, 5. I have really forgotten the precife 

 quantity which I was accuflomed to give as a 

 purge, to cart-horfes of the largeft fize ; but 

 with fuch, an eflay might be firll made with 

 No. 3, the fl.rengih of it being increafed, in a 

 future dofe, fliould it appear neceflarv, to two 

 ounces aloes, but beyond that degree of ilrength 



2 I have 



