[ 606 3 
Alkali* The mofta&ive, make no change in the poifon of Ticunas, p. .83. A tru« 
fixed vegetable alkali difcovered, p. 350. And yielded in greater quantities than that 
from the white Mufcovy allies, p. 350. Procefs for purging the newly difcovered, of 
fulphur, ibid. 
Ammoniac fait . An animal Ammoniac fait defcribed, ibid. 
Animals. Have dilpoftions to deviate from nature, p. 527. Diflinguilhing marks be- 
tween thefexes of, p. 328. Refemblance of the fexes of, to each other in fecondaiy 
properties, p. 320. 
Arrows. Experiments with the poifon of fome Indian, p. 180. 
Agronomical Qb/ervations on the periodical Ear in Collo Ceti, p. 338. Relating to the 
mountains of the moon, p. 307. 314. 
AttraHion. Calculation to determine at what point in the f de of a hill it will be the 
greateE, p. 1 . That point found to be generally at one-fourth of the altitude from 
the bottom, p. 3. 
B. 
Baker , Sir George, Shews that Dr. Mead drew a wrong concluEon from a cafe quoted 
by Mauriceau, p. 140. Cafes mentioned by him of children who did not catch the 
fmall-pox from the mother in the womb, ibid. 
Barker , Mr. His meteorological diary for 1779, p. 474. 
Barnard , Mr. His method of removing fliips that have been driven on Eiore, and da- 
maged in their bottoms, to places (however diEant) for repairing them, p. 100. 
Bartbolinus , Thomas. His account of a cafe in which the foetus was fuppofed to have 
received the fmall-pox from the mother, p. 139. 
Barojneter . Table of the greateE, leaE, and. mean heights of the, at Fort St. George, 
from March, 1777, to May, 1778, p. 268. RegiEer of the, at Lindon, in 1779, 
p. 474. See Meteorology. 
Birch , Mr. His way of extra&ingpot-afh from dung-hill water, p. 330. 
Bodies. Experiments to determine what parts of them are affected by the poifon of Ti- 
cunas, p. 190. 
Boerhaave. His opinion about the poflibility of the fmall-pox being communicated t© 
the child in the womb, p. 106. 
Bouguer , Mr. His account of a miE feen on the Andes, p. 139. 
Blizard , Mr. His method of treating the EEula lachrymalis, p. 239. 
Blood. Experiments on the effect the poifon of Ticunas produces on the, p. 191. 203. 
203. 
Burning bodies. The condu< 5 ting power of the effluvia of burning bodies tried with an 
inErument contrived for thatpurpofe, p. 217, 
Cardan • 
