53 s INDEX. 
/Sinla Socfata, or 'cluttered animal flower defcribed, 
p. 431. Is an animal compounded of many animals, 
conne&ed to one common root, 433. Difcovers its 
mufcles, tendons, and flomach, 435. 
Aether, marine, prepared by the method of Mr. Beau me, 
p. 530. Nitrous, made without fire, 531. 
Air , Jet free in the beginning of distillation, and re-ab- 
forbed afterwards, p. 528. 
Air , fixed, contained in Rathbone place water, p. 97 — 99. 
Alexander , Mr. Experiments with Camphire, on himfelf, 
p. 65. - • 
Alkaline i hits, are three, p. 480. 
Alkalies , volatile, their diftillation improved, p. 519, 520. 
Amber, Succinum, its acid thought the fame with that of 
fea fait, or of vitriol, p. 509, 510. Proved different 
by Dr. Stockar, 510, 51 1 ; and by Dr. Monro, ibid, 
generates cold with volatile alkali, 512. 
Andrachne , a fhrub raifed from feeds, fent by Dr. Ruffe) l 
from Aleppo, in 1754, p. 1 1 7. Produced flowers for 
the firft time, in the garden of Dr. John Foihergill, 1 15 - y 
defcribed by Mr. Ehret, ibid. 
Animal flower (fee Adlinia ), their pretended flowers are 
mouths, 435. 
Animals, found in countries about the Volga, p. 341. 
Animals , large, whole bones are found in North America, 
probably elephants, of a fpecies hitherto unknown, 
p. 468. 
Antiparos, grotto in that Eland, where cryflals and fpars 
are formed, p. 6c. 
Apparatus , new, for electricity, p. 168. For condenfing 
of vapours in diftillation, 518. 
Apple, its acid juice, p. 489. Neutral fait formed with 
it, and the foflil alkali, 490. 
Arch, luminous, feen at Oxford, by the Rev. Mr. Swinton, 
p. 109. 
Aimojphere, of the fun, extends at lead to of its dia- 
meter, p. 152, 153; thought to be much higher from 
the height of its fpots, 400, 401. 
Atmofphcre , 
