( 437 ) s&pk 
VIII. 
Eflays medical and experimenta! by thomas 
'p e r c i v a l M. D. F. R. S. The fecond edi- 
tion reuifed and confiderably enlarged, to 
which is added an appendix. London prin- 
ted for Io. lohnlon 1772. §. p. 384- 
i. e. 
Didertationes et experimenta ex re medica. 
Editio altera reuifa et multum audia vna 
cum Appendice. 
IX. 
Eflays medical and experimental on the follo- 
v/ing fubiedis; 1) On the Columbo Root; 
2)on the Orchis Root, 3)on the w ater s of 
Buxton and MatSock in Derbyfhire, 4) on 
the medicina! ufes of hxed Air, 5) on the 
antifeptic and iweetening powers and on the 
varieties of fadlitious Air, 6) on the noxious 
vapours of Charcoal, 7) on the Atra Bilis, 
S) on the Sea Salt, 9) on CofFee. To 
which are added feledl hiftories of difeales, 
with remarks, and propolals for eftablifhing 
more accurate and comprehenfiue bilis of 
mortality. By T. p e r c i v a l. London prin- 
ted for lohnion 1773. 8* p*252. 
i. e. 
Difiertationes et experimenta ex re medica 
de obiedhs fequentibus; 1) De radice Co¬ 
lumbo, 2) de radice Orchidis, 3) de aquis 
mineralibus Buxtonienfibus et Madockienfi- 
Ee 5 bus 
