A N 
INDEX 
TO THE 
/ 
Fifty-Seventh VOLUME 
OF THE 
Philofophical ’Tranfa&ions. 
For the Year 1767* 
A. 
A BDUL y Roobin, a Sooloo pilot, his obfervation about 
zl the iQands on the N. E. coaft of Borneo, p.394. Uieful 
to navigators, 397. 
Accelerators urina , voluntary in expelling the urine, 
involuntary in expelling the femen, p. 128. How this 
phenomenon is accounted for, 129. 
Acid of fea fait, made ftronger than oil of vitriol, 
p. 525. 
Acids do not promote the folution of Bark, p. 230. De- 
Itroy aftringency, 231. Thought to amount to no 
more than four, 480, reduced to one by fome chemifts, 
p. 482. 
Acids , vegetable, whether they are all the fame,, p. 479. 
Aftinia. or animal flower, p. 428- Its defeription, 429. 
Z z z Amnia , 
