Page 127. col. 1. line 10. For flint stones, read flat stones.col. 2. l. 20. For Sloppo, read Hoppo. IN THE NOTES ON CHEMISTRY. No 55. For partly the pressure, read partly by the pressure. 109. For exsecution, read extrication. 140. For the now existence, read nonexistence. 147. For coming, read derived. 223. For continuation, read combination. 423. For attestation of the density, read alteration of the density. 559. For frigidty, read fragility. 904. For phlogistic acid, read phosphoric acid. 922. For sublimes charcoal, read sublimes with charcoal. 927. For continued with, read combined with. 1227. For curious mercurius, read curious mercuries. 1398. For general vision, read general division. Page 452. col. 1. l. 20. from the top. For "HH," read "CE." l. 23. from the top. For "E," read "D." l. 25. For "DD," read "E." col. 2. l. 31. from the top. For "fig. 7. and 8." read "fig. 8. and 9." On the margin of col. 1. under note 2d 602, insert "Plate CXXXIII. fig. 5, 8, 9." Page 454. col. 2. on the margin. For "fig. 8." read "Plate CXXXIV. fig. 8." * * In the System of CHEMISTRY, though an Appendix is added containing the more recent discoveries in that Science; yet as some others occurred still later, it was found necessary to insert them in the Index, where they are to be found under the articles Nitre, Phosphorus, Sugar, Tartar, and Vegetables. DIRECTIONS FOR PLACING THE PLATES OF VOL. IV. Plate Page Plate Page CXII to face 140 CXXV. 169 CXIII 57 CXXVI. 172 CXIV 80 CXXVII. 237 CXV 84 CXXVIII. 264 CXVI 96 CXXIX. 300 CXVII. 100 CXXX. 305 CXVIII. 104 CXXXI. 308 CXIX. 108 CXXXII. 437 CXX. 112 CXXXIII. 441 CXXI. 141 CXXXIV. 455 CXXII. 144 CXXXV. 740 CXXIII. 148 CXXXVI. } 773 CXXIV. 149 CXXXVII. } 598 The whole-sheet Chemical Table [In all, 26 Plates.] TABLE OF CONTENTS Page Contents Page Contents 1 CRIST 100 CRIST 2 CRIST 101 CRIST 3 CRIST 102 CRIST 4 CRIST 103 CRIST 5 CRIST 104 CRIST 6 CRIST 105 CRIST 7 CRIST 106 CRIST 8 CRIST 107 CRIST 9 CRIST 108 CRIST 10 CRIST 109 CRIST 11 CRIST 110 CRIST 12 CRIST 111 CRIST 13 CRIST 112 CRIST 14 CRIST 113 CRIST 15 CRIST 114 CRIST [End of Table]