VOL. XLI.] PHILOSOPHICAL TRANSACTIONS. 4^1 



matted or woven together, voided by urine with great pain ; but then there was 

 no calculous matter, or very little, added to them. It is very likely, that that 

 matter is added to those of your patient in the bladder, by being retained there. 

 He had a pin, that a young woman had swallowed, and was afterwards taken 

 out of her groin from an apostem after a tumour ; which pin was covered or 

 incrusted, as these hairy substances, with such calculous matter, and got there 

 from the urine in her bladder, where in all likelihood it had contracted that 

 crust. He had a silver bodkin, the broad end of which is covered with a pretty 

 large stone. A poor gentlewoman thought, by thrusting this bodkin up the 

 meatus urinarius, to remove a stone which pressed on the neck of her bladder, 

 and it slipped past recovery into her bladder ; whence, after 3 years, it was 

 taken, and on which, as on a centre, was bred the stone. He had other in- 

 stances of the same, where an extraneous body, passed into the bladder, has 

 proved as a centre to attract, or have affixed to it, such matter. 



As to the cure, dilution seemed to him the best. The brewer was cured by 

 drinking plentifully of soft liquors, which he often poured down ; and twice a 

 week he took the purging waters. His opinion was, that the less is generated 

 of this matter, and the less time it remains in either kidneys, ureters, or blad- 

 der, the disease will be mitigated, and, he hoped, cured. He believed Bath- 

 waters drank warm, mallow-tea, linseed-tea, oil of sweet almonds, syrup of 

 marshmallows, little and often taken, with baths of emollient herbs, might be 

 of great use ; and perhaps moderate exercise might help them off. Opiates, in 

 excessive pain, he judged necessary; and now and then bleeding, to take off 

 the inflammations that must of necessity attend such a distemper. He also 

 thought, that some balsamics, such as Locatelli's balsam, might be useful ; and 

 perhaps, with the emollient method, take off that disposition in the kidneys, 

 which produced this uncommon distemper. The pains in her feet, and about 

 her, seemed not to have any relation to this distemper ; and he was of opinion, 

 that violent diuretics or exercise would rather hurt than help her. 



^ Letter from Mr. T. Knight to Sir Hans Sloane, Bart. Pr. R. S. fife, con- 

 cerning Hair voided by Urine. N° 460, p. 705. 



The hairy substance, or fine capillamenta, inclosed in the pill-box, were dis- 

 charged along with the urine of a gentleman, during a severe fit of ardor urinae ; 

 the gravel that came away was inconsiderable, so that the cause of the dysury 

 was chiefly owing to the hairy substance with the gritty matter that adheres to 

 it, inflaming, by their irritations, the ureters and sphincter vesicae, and parts 

 adjacent. For, notwithstanding phlebotomy, lenient clysters, emulsions, 



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