[ 6 3 ° ] 
Albitrojs, Tea-birds in Falkland iflands, an account of them, p. 106, 107. 
•Aloe Dichotomy, a new fpecies of aloe in the fouthern part of Africa, p. 509. Hot* 
tentots make quivers of it, to hold their arrows, p. 310. Defcription of it, ibid.. 
Aloe Socotorlra, gum aloes made from the ufe of, p. 287. 
■Amber , after heating, becomes eledrical with every little fridion, p. 515,. 
Ancients , their opinions concerning refpiration, p.228, &c. 
Anderfon, (Mr. William), his account of fome poifonous fifh in the S«uth Seas, p. 544., 
See Fijb, 
Animals , amphibious, an account of fome at Falkland Iflands, p. 102, 103. Animal* 
in the fouthern part of Africa, p.. 269, 270. 276 — 278. 281. 283. 287 — 289. 294. 
2 97, 2 9 8 - 3°4» 3°>* 3 ! o — 3 1 2. 
Annuities, fhort and eafy theorems for finding, in all cafes, the difference between the 
values of, payable yearly ; and of the fame annuities payable half-yearly, quarterly, or 
monthly, p. 109. When they are paid half-yearlyand quarterly, it adds to their value,, 
ibid. Theorems and examples concerning annuities payable certainly or conditi- 
onally, p. 109 — 128.. 
Antelopes in the fouthern part of Africa, p. 269, 270. 281. 283. 287. 
Arftnic , gives an opaque whitenefs to glafs, p. 536. 
AJhton under Line, an enumeration of its inhabitants in the year 1775", p. 164. 
Ajlhmatic Jits , violent ones occafioned by the effluvia of ipecacoanha, p. 168. How 
the patient was affeded, p. 168. 170. 172. Proofs that the fits were produced by the 
effluvia of ipecacoanha, p. 169, 170. The fits continued fourteen days, p. 170, 171* 
Remark on thefe effeds of ipecacoanha, p. 172, 173. Same eft'eds from the effluvia 
of ipecacoanha upon another perfon, p. 173. 
AJlronomical Obfervations made in the Auftrian Netherlands, in the years 1772 and 1773, 
p. 182 — 195. Inflrumenta ufed, and elements employed in the calculations, p. 182, 
183. Correfponding altitude of the fun and liars, p. 184. Emerfion of lf’s firft 
fatellite, p. 184 — 187. 189. 192, 193. 195. Emerfion of lf’s fecond fatellite p. 188. 
192. Eclipfc of the moon, at Luxembourg, p. 190. Emerfion of 14 ’ s third fatel- 
lite, p. 191. 
Atmofphere, an extraordinary eledricity of the, obfervedat Wington in the month of 
Odober 1775, p. 407. See Elefiricitj. 
Aubert (Mr. Alexander)', his new method of finding time by equal altitudes, p. 92. 
S'ee Time. 
Auftrian Netherlands , aftronomical obfervations made there in the years 1772 and 1773, 
p. 182. See AJlronomical Obfervations . 
B. 
Baler (Henry), Efq. his bequefi: for making difeoveries in natural hillory, p. 607. 
Barber (Thomas), Efq. extrad of his regilter of the barometer, thermometer, and rain, 
at Lyndon, in Rutland, for the year 1775, p. 370. See I.yndm. His experiment 
ot parting frefh-water from fait by freezing, p. 373^ 374. 
7 
Barometer 
