The number of Plates in this volume is TX* ; 
E R R A T A. 
VOL. LXVIII. PART II. 
Page Line 
3040. 12. for conducting, read non-conduding. 
VOL. LXIX. PART L 
''r 5, ff ■ . % ! . . , * £ fn 1 * * ■ ?■ . *■■.?* ’ ’ ' ■ v 
18. 19. for wetted with antimony, read heated with antimony, 
16. 15. for an ounce and a half, read a drachm and a half, 
24. 5. for 5 ounces 36 grains, read 5 drachms 36 grains* 
27. 4. for Zoolite, read Zeolite. 
30. 19. for tin, read fire, 
122. 10. for percurlio, read percufiio, 
• 14. Idem. 
• 19. for percurlionibus, read percuftionibus; 
124. 1 ^ for percurfiones, read percuffiones. 
126. 12. for percurfione, read percufiione. 
20. for percurfionis, read percuffionis. 
13 1. 14. for it may obferved, read it may be obferved,- 
182. 2. for Stephens, read Stevens. 
243. laft line of the Englifh, for pea, read pen. 
Y O L. LXIX. PART II. 
364. column the 4th, for Mr. de-LucV thermometer, read Mr. de Luc’s rule* 
373.. column the 6th, line the -laft, for 96, read 98. 
Ibid. column the 7th, line the laft, for o, read -po,2. 
380. 15. for open on both fides, read open at both ends. 
540. for working-needle, read fewing- needle, pajjim* 
I N D E X. 
^84. for Eric Profperin, read Prcfperin Eric. 
683. 22. for piftol to make it, read piftol with it. 
6go. 16. for one for making, read one for firing, 
692. 30. for wetted, read melted. 
