160 
MR. W. GEOFFREY DUFFIELD ON THE 
Table X. 
Line. 
Wave-length. 
Line. 
Wave-length. 
Group I.— l 
Inreversed. 
5 
4476-20 
go 
4219-47* 
6 
4466-70* 
<72 
4204-07 
aO 
4461-75* 
4199-19*1 
ala 
4454-50 
h2cc 
4184-99 
a3 
4443-30 
h3 
4181-85*1 
6 1 
4427-44*1 
hi 
4175-71* 
12 
4422-67 
iO 
4156-88* 
cl 
4376-04*1 
il 
4154-57* 
c2 
4369-89 
i3 
4143-50*1 
c 3 
4352-86 
ii 
4134-77* 
c 4 
4337-14* 
ii 
4127-68* 
d\ 
4315-21*1 
j 2 
4118-62*1 
di 
4294-26*1 
*0 
4062-51* 
eO 
4282-58*1 
k2 
4033-16* 
Group I.— 
-Reversed. 
63 
4415-27 
</3 
4202-15 
64 
4404-88 
i2 
4143-96 
cO 
4383-70 
jo 
4132-15 
dO 
4325-92 
i3 
4071-79 
d2 
4307-96 
i4 
4063-63 
el 
4271-93 
AT 
4045-90 
ei 
4250-93 
— 
— 
Group II. 
2 
4528-78*1 
a2 
4447-85 
3 
4494-67 
a4 
4442-46 
4 
4482-35 
60 
4430-74 
al 
4459-24 
— 
— 
Group III.— 
-Unreversed. 
d3 
4299-42*1 
/4 
4222-32 
fo 
4250-28* 
g5 
4198-42* 
n 
4236-09*1 
hO 
4191-57 
/2 
4233-76* 
hi 
4187-92* 
/3 
4227-60* 
h2 
4187-17* 
Group III.- 
-Reversed. 
e3 
4260-64 | 
1 — 
— 
Group IV.} 1 
g§ 
4196-311 
</7 
4195-461 
* 
1 
Signifies that under pressure the line is reversed in Set A. 
>> 
)> 
5 ? 
Set B. 
t Of. p. 159. 
