INDEX. 
51 6 
S. 
Salts, native, various forts of, found in the coal-mines 
near Whitehaven, p. 481. 
Salts formed by germination, not liable to difTolve in a 
moill air, p. 485. Native bitter fait of the coal-mines 
the fame with Epfom fait, 486. 
Sal catharticus amarus , found in more abundance, and 
more univerfally diffufedover the globe, than any other 
except the common fait, p. 481. Produced in the 
the colliery of Howgill, p. 482. The germination of 
this fait, and of vitriol, perhaps the caufe why freeftone, 
found where there are veins of coal, gradually moulders 
away when expofed to the open air, p. 483. Agrees 
in its purgative and other properties, with the Epfom 
and Scarborough falts, p. 486. Properly prepared is an 
excellent remedy in many difeafes, p. 487. 
Saturn’s ring, its difparition obferved, p. 112. 
Scorpio , occultation of a -)f in that conftellation, by the 
Moon, obferved at Pekin, p. 42. 
Scrophula confidered as the molt general caufe of con- 
fumptions, p. 73. Lels common in Chelter than in 
molt other places, ibid. 
Sea-birds , great variety of in Labradore, p. 377. 
Seafons, moill, in Great Britain and Ireland, more re- 
markably free from epidemic dileafes than dry ones, 
p. 64. Their fingular elfefts upon the colours of feveral 
animals of Labradore, p. 378. 
Sill, a fhining kind of llony clay, Itrongly refills fire, 
and fome of it by germination yields alum, p. 491. 
Silver, its conducting power, p.415. 
Simmons , Mr. his account of a woman who voided Hones 
through a filtulous fore in the loins without any con- 
comitant difeharge of urine by the fame pafifage, p. 108. 
Similar cafes mentioned by Delechampius, Tulpius, 
and Chefelden, p. no, in. 
Small - 
