ERRATA AND ALTERATIONS. 



P. 22, I. 14 from bottom, and p. 24, line 17 from top, for " longioribus," read 

 * superantibus."— P. 64, line 16 from top, for " bright," read " fight."— P. 74, line 



5 from top, for "Class 11/' read "Class L" 

 sert Eds. 



P. 114, after note at bottom, in- 



P. 28, 1. 16 from top, for u one hundred and twenty," read " twenty." x 



P. 93, 1. 2 from bottom, for " practical relation," read " particular reaction." 



P. 95, 1. 17 from top, insert " the" before " action." 



P. 96, 1. 2 " " read first formula "O" for" 2 ." 



P. 96, 1. 28 " " for " these," read " their." 



P. 97, 1. 15 from bottom, for " CH 2 0," read " CH 4 0." 



P. 99, Note, 1. 2 from bottom, for " copsic" read " capric." 



P. 100, 1. 9 from top, for " formics," read " formic." 



P. 177, 1. 7 " " " C^+O)-©^," read "2+0-1=1." 



P. 177, 1. 13 " " " " acids are often found," read " acid are often formed/' 



P. 177, 1.17 " " " " heat," read « treat.'' 



P. 177, 1. 2 from bottom, for " C 6 (NH0 2 ) 3 =0," read C 6 (NH0 2 )30. 



P. 178, 1. 7 from bottom, insert " a" before " compound." 



P. 180, 1. 5 from top, for " hydride," read " anhydride." 



P. 180, 1. 6 " " insert " the" before " anhydride." 



P. 181, 1. 8 " " insert " an" before " amide." 



P. 381,1. 14 " " insert 2 after H 2 . 



P. 181 , 1. 18 " " for " sulphamephylane," read " sulphamethylane." 



P. 181, 1. 18 from bottom, after similarity, insert "a." 



P. 182, 1. 1, after derivatives, insert " of." 



P. 182, 1. 10 from top, insert " this" before " ether." 



P. 184, dele from " Urea" in 4th line to " artificially" in the 6th. 

 P. 184, 1. 10 from top, for " nnonor*;/* " *•*/■** « «»„««;« »» 



P. 184, 1.13 



niline" and " bichloraniline. 



a 



a 



u 



acesenic," read - arsenic. 

 " chlorainline" and " bichlorainline," read " chlora- 





Vol. Hi, p. 295, in the formula of pyroxyline, dele 8HO 



