908 
CAPTAIN ABNEY AND LIEUTENANT-COLONEL FESTING 
Lines (L) and. bands (B). 
Compound. 
Approximate 
wave-length. 
Scale on plates. 
Glacial acetic acid 
(Kahlbatjh). 
8871 
900/ 
9001 
907 f 
875 
884 
8841 
892 f 
B 
B 
{ 
9071 
913/ 
930 
8921 
898/ 
912 
B 
L 
{ 
9301 
949 / 
949 
9661 
985/ 
985/ 
1010/ 
10101 
1024/ 
1024 
9421 B 
959/ 
9o9 1 ^ 
980 / 
980 i B 
990/ 15 
{ 
1 
Intensity. 
0 to 1 
1 to / 
A 
4 
0 to 1 
1 to 0 
A 
0 to ^ 
to 0 
1 
0 to 1 
1 to ^ 
A 
2 
i to 1 
End of spectrum. 
Propionic acid. 
(Kahlbaum). 
Isobutyric acid 
(Kahlbaum). 
786 
867 
900/ 
913/ 
913/ 
917/ 
917/ 
942/ 
1010 / 
1061 / 
1020 
1040 
1061 
898 
900/ 
913/ 
913/ 
917/ 
917/ 
980/ 
1020 
1040 
1067 
1085 
1135 
1020/ 
1075/ 
1075 / 
1103/ 
1103 
736 
L 
857 
L 
8841 
898 j 
8981 
1 B 
902 j 
902] 
920 j 
9801 
i B 
1020 j 
987 
L 
1003 
L 
1020 
872 
L 
884 
898 
898 
902 
902/ 
912 / 
B 
987 L 
1003 
B 
1025 
B 
1037 
B 
1072 
B 
9871 
1030 j 
f B 
10301 
Ib 
1050 j 
1050 
Fuzzy line. 
0 to 1 
1 
1 
Broad. 
55 
End of spectrum. 
1 
1 
2 
1 
1 
3 
4 
As in ethyl iodide. 
End of spectrum. 
