ERRATA FOR VOL. XVII. 
Page 70, line 6 a 13 from top, and in the rest of the article, for C/, C/2, &c. read 
c!, cla 
“« « jine 14 me bottom, for (0) read ae 
* 1, “ 3 from bottom, for — po Be — 
Py. PT 
top, for “whatever may be the time of describing C’,” read 
whether ec’! = ce! or not. 
72 and 73, for parameter read semiparameter. 
[in a part of the edition the above baie: were corrected. ] 
“* 142, 12th line from the top, for over : 
Page 196, 5th line from the top, for 6.19, J 619, 
“* 211, line 8 from top, for Oxy-chlorine, read Chloro-hydrogen. 
329, bottom line, and 2d from bottom m, for 
e2cosec.2) c¢/?_(cot.?) e’*cosec.*) c/? d(cot.2) 
sae a og ne a ae 
“ 72, “ 12 from 
a 
“ 
=F. 
Page 332, 18th line from the top, for rd2z read xd2x 
‘333, 5th and 2d ie from bottom, and on Botkin line, substitute small capitals 
e italics x, y and z. 
#6 4g 16th line ea the a for has me st 
- 19th him 
