t 1069 ] 
Barr, Mr. his journal of the weather at Montreal, p. 5 £9. See Weather * 
Ba/ahic Colwnns in the walls of the town of Cologne, and ufed as polls in the Greets* 
p. 2. Columns of the fame fort in the walls and Greets of the town of Bonn, p. 3. 
Bafon , a fine one in the ifland Ilhao, near St. Miguel, p. 603, 604. 
Bojfira, an account of a mo ft dreadful putrid fever there, caufed by the A^abs, p. 213, 
JBattasy the inhabitants of the Caffia country in Sumatra fo called, p. 163.. A parti-, 
cular account of them, p. 165, &c. 
Beccaria , Father, his opinion concerning the clouds conveying eleCtric fluid, p. 229, n.. 
Concerning his perpetual electricity, p. 1030, 1051. 
Bed. Experiments on the air of a bed, p. 199, 200. Clofe beds unwholefome in 
difeafes, ibid. 
Bees. A ieiter from Nathaniel Polhill, efq; on Mr, Debraw’s improvements in the 
culture of bees, p. 107 — no. 
Berlin , the proportionable number of inhabitants that die there annually, p. 154. 
Bernoulli y his opinion concerning the communicating of motion to bodies, with obfer- 
vations thereon, p. 336 — 360. 364 — 376. 
Blandford Forum, Dorfet, an account of baptifins, marriages, and burials there during 
forty years, p. 613. Enquiry concerning the extraordinary falubrity of this country, 
p. ,15 — 617. Number of inhabitants, p. 616. The yearly average of deaths 1 to 
39, p. 6t6, 617. Table of the t^aptifms, marriages, and burials, during forty years, 
p. 618. Total of each, with remarks thereon, p. 619. Annual average of baptifms 
and burials in the four decennial periods of the foregoing table, p.620. The whole 
number of burials in each month, and each quarter of the year collectively, through- 
out the whole of the above period, p. 621. 
Blood, how the fcurvy is introduced into it, p. 662. How to prevent and correCt the 
diforder by food, p. 663, &c. See Scurvy . 
Blue Shark, an account of it, p. 789, 790. 
Board of Ordnance , their letter to Sir John Pringle, enclofing a letter from Mr. Wilfon 
to his Majefly, and an account of his experiments on the nature and ufe of con- 
ductors, p. 242. 
Boddingtony Mr. his letter concerning an accident from lightning at Purfleet, p. 232. 
Bodies. Difference of opinion concerning the communication of motion to bodies by 
impa& and gravity, p. 344 — 347. The laws by which motion is communicated, and 
the caufes which produce this difference of opinion, fully confidered, p. 54.7- — 379* 
Concerning the meafure of the expanfion of bodies by heat, p. 419—453, 
Bogs and marfhes, the noxious effects of their effluvia upon air, p. 212— -217. 
Bonn , town of, many columns of bafaltes in its walls and Greets, p. 3. Paved with 
lava, ibid. A hard volcanic tuffa ufed therefor building, ibid. 
Boor. Habitation and manner of living of a Ruffian boor defcribed, p. 623 — 635. 
Vol. LX VI II. 6 T J Brandenburg^ 
