A N 
INDEX 
TO THE 
Sixty-Third VOLUME. 
OF THE 
Philofophical Tranfaffliom* 
A, 
ACIDS , vegetable, better adapted to the operation of 
^ fining liquors than the mineral, p. 13. Their power 
of dilTolving the red particles of the blood, p. 318.. 
Aliinias. See Sea-Anemonies, . 
Acus marina fquamofa , a fifh ftranger to our Teas, but; 
found in a foftil ftate, p. 171, 172. 
Air , fet on fire, and producing a terrible explofion in a 
coal-pit, p. 218. 
Alchorne , Mr. Stanefby, his catalogue of the fifty Chelfea< 
plants for 1771.. 
America , Indians of, their ancient government, p. 142,. 
Their preient form, p. 144, 145,- Believe in witchcraft, 
p. 146. Their language. 
3 American* 
