378 INDEX. 



yauqutKn on ftones from the hea- 

 vens 346 

 r'ega fBaren (fej death of, 217 

 yegetahle gluten. On, 91 

 f^entcnant^ oa fenna 55 



fVillis's fubftitutc for gum Ara» 

 bic, 103 



If'nds. On, 311 



^/-'?y?;M/w5onfulpliureouswaters,9Z 

 IVrigbt on aeroftation, 19 



Water. On freezing, 249; to Zimmerman. Letter to, ipj 



free from air, 252 Zinc, Decompofition of acetite 



Wheat, to proteft, from infetts, of lead by 359 



64 Zodiac of DcndiTa. On the lljj 



END OF THE FIFTEENTH VOLUME. 



TO THE BOOKBINDER. 



In binding up complete fets place the Heads at the be- 

 ginning of the Volumes in the following order: Vol. I, 

 Lavoifier; Vol. II. A. G. Kseftner ; Vol. III. Berrrman j 

 Vol. IV. Bofcovich ; Vol. V. Doftor Black ; Vol VI. 

 Fixlmilner; Vol. VII. Beauchamp ; Vol. VIII. fir .Jofeph 

 Banks; Vol. IX. Count Rumford; Vol. X. Dr. Robifon ; 

 and the other Heads at the beginning of the volumes in 

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Printed by Wilks and Taylor, Chancery -Lane. 



