INDEX. 3 6 9 
Bergius , Dr. Peter Jonas, defcri-ption of the Croton Spi- 
catum , p. 132. 
Bevis , Dr. John, cn the cold of 1740, compared with 
that of 1768, in London, p. 54. 
Bird}, their laCteal and lymphatic veflels defcribed, p. 
2 1 8. 
Black Sea , fee Buxine. 
Blue fubftance, found in Scotland, p. 1S1. Mentioned 
imperfedtly by other naturalifts, ibid. Defcribed by 
Mr'. Douglas, p.182, 183. Chemically analyfed, p. 
183 — 186. Its principal ingredients, p. 187. Pro- 
bably found in all peat-moiTes, ibid. Its ufefulnefs as 
a water-colour, p. 187, 188. AffeCted by Alkalies, 
i bid. 
Bologna Hone, a kind of phofphorus, p. 9. 
Bones of large animals found near the Ohio in America, 
p. 35. And probably the fame with thofe which have 
been found in feveral other parts of the world, p. 40. 
And in particular with thofe that come from Siberia,, 
p. 44. Adjudged to the elephant by Sloane, Gmelius, 
Buffon, and Daubenton, p. 35 — 41. Proved to belong 
to another animal, probably carnivorous, by Dr. Hun- 
ter, p. 37 — 42. Queries fent by his direction to Ame- 
rica, concerning thefe bones, p. 39. 
Borlafe y Dr. William, his meteorological obfervations, 
made at Ludgvan in Cornwall, for 1767, p. 89, 90. 
Brandiwine River, in Pcnnfylvania, p. 326. Aftronomi- 
cal obfervations made in the Forks, ibid. ~ 
Bofcowich , Father, his obfervations on the effc&s of the 
attraction of mountains, p. 273. 
Bridgwater , in Somerfetfhire, meteorological obfervations 
made at that place, p. 87. 
Buffon , Mr. his account of the foffil bones found in Si- 
beria, and in North America, p. 35. 
Buying the fmall-pox, a term uled to fignify inoculation 
in Barbary, p. 129. And at Aleppo, p. 140 — 143. 
And elfewhere, p. 147. 
Vol . LVIil. 
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Byres , 
