1 908-9. J Life and Chemical Work of Archibald S. Couper. 211 
C = 12 and 0 — 8 throughout. I here omit the formulae of salicylic acid 
and the products obtained from it by means of phosphorus pentachloride, 
as these will be discussed under the next head. 
Methyl Alcohol. 
( 0 OH 
C ) 
I H 3 
Ethyl Alcohol. 
( 0* -OH 
C 
; ( h 2 
C-H 3 
Propyl Alcohol. Ethyl Ether. 
( 0 OH 
I 0 0 ) 
CO 
\ 
0 ) } c 
( H 2 
: | II - II '-' i : 
c • 
H 2 
C - H 3 H 3 - C 
o 
• H 3 
Formic Acid. 
Acetic Acid. 
f 0 OH 
( 0- OH 
c 
C- 
0 2 
: 1 0 2 
C H 3 
Glycol. 
Oxalic Acid. 
0 OH 
( 0 OH 
c< 
C 
i i 
H 2 
: ( O 2 
i 
H 2 
( O 2 
Cl 
c \ 
i 
0 OH 
{ 0 OH 
“ Ou, si Fon veut reunir l’oxygene negatif a Fun des poles de la 
molecule, par la formule 
0 
J° 2 t 
l 
O 2 
C j 0 OH 
' o on 
In the two full papers Couper then gives quite a number of constitu- 
tional formulae with C — 6 ; these I omit. Then he explains why C should 
* In the paper the first “ O ” has been omitted in error, 
t Misprinted “ C 2 ” for “ O 2 ” in the paper. 
