^14 INDEX. 
Akmcor Lord, his obfervation of the tranfit of Venus, 
p. 3^9, 340. Has built an obfervatory at Hawk-hijl, 
near Edinburgh, p. 343. 
Alkalies, their effects on chalybeate waters accounted for, 
p. 223, &c. 
America^ irs animals lefs in fize than in the other parts of 
the globe, p. 127. 
America, North, increafe of its inhabitants, p. 12 1. In 
70 years the number will be double of thufe in Great 
Britain, p, 122. 
Animalcula produced from infufion,.. infinitely fmallcr than 
the fpermatic animals, p. 19 1. Some of them produced 
from the infufion of hemp-feed, p. 142. Their divifion 
owing to fome accidents, p. 143. Swim by means of 
minute fins, p. 144. 
Animals, many fpecies formerly known and now extind, 
p. 135* 
Arachis, a plant, from whofe pods a good oil is extrafted, 
p. 330. 
Archimedes^ s Mirrors imitated at Drefden, p. 8. 
Ajlronomer Royal, his remarks on the obfervations made at 
Ifle Coudre, near Quebec, p. 280. On thofeof Hawk- 
hill, near Edinburgh, p. 343, 366. On thofc at Gib- 
raltar, p. 350. His communication of the eclipfes of 
Jupiter’s fifft fatellite at Greenwich, p. 399. Remarks 
on the obfervations of the tranfit of Venus at Lewefton 
in Pennfylvania, p. 420. 
Atmofpbere of Venus fufpefted by Mr. Hirft, p. 231. By 
Dr. Smith of Philadelphia, p. 316. 
Auhert, Mr. Alexander, his obfervation of the tranfit of 
Venus, three feconds E. of St. Paul’s, p. 378. 
Aurora boreales, two obferved at Paris, p. 86. Two ob- 
ferved at Oxford, p. 367, 
B. 
Barometer, very low, p. 85, 156, 159. 
Barri ngton 
