ON THE ATOMIC GROUPING IN ORGANIC BODIES. 
907 
Lines (L) and bands (B). 
Compound. 
Approximate 
wave-length. 
Seale on 
hates. 
Intensity. 
Ethyl sulphide 
741 
740 
L 
1 
(Frankland). 
867 
857 
L 
1 
886 
872 
L 
! 
907) 
913 j 
892) 
898) 
B 
0 to | 
913) 
898) 
B 
917 j 
> 
902) 
1 
917) 
922 j 
902) 
905 J 
f to 
922) 
942 j 
905' 
920 J 
B 
I to 0 | 
The shade from com¬ 
mences about 919. 
1030) 
995) 
— i|CJ 
O 
o 
1075 
> 
1030) 
1040 
1003 
L 
1 
1061) 
1020) 
B 
1 
— 
> 
1160) 
2 
1067 
1025 
B 
l 
As in ethyl iodide. 
1087 
1038 
B 
l 
1135 
1072 
B 
1 
1165 
1100 
B 
l 
— 
1160 
1 
End of spectrum. 
Amyl nitrite 
753 
752 
L 
1 
(Guthrie). 
886 
872 
L 
1 
907) 
892) 
[ B 
1 
915 j 
t 
900) 
2 
915) 
900 
1 B 
928 j 
r 
910 j 
1 
928) 
910" 
1 
942 
s 
r 
920 j 
966 
942 
L 
! 
Broad. 
985 
959 
L 
i 
J 9 
1002 
972 
L 
!_ 
1020 
987 
L 
1040 
1003 
B 
i 
As in ethyl iodide. 
1067 
1025 
B 
i 
1086 
1037 
B 
i 
99 9 9 
1135 
1072 
B 
i 
99 99 
1165 
1100 
B 
i 
99 99 
1040' 
1003" 
1120) 
[ B 
i to 1 
Formic acid 
732 
732 
L 
1 
Broad line of which 
(Frankland). 
893" 
930 
878" 
912 
[ B 
1 
2 
732 is the distinct 
nucleus. 
930" 
t 
9121 
1 
966 j 
r 
942 j 
4 
966" 
973 
942" 
948 
i to 1 
1 
968 
945 
End of spectrum. 
6 A 2 
