98 
PROFESSOR W. N. HARTLEY ART) MR. W. E. ADENEY 
The Spectrum of Cadmium. 
Scale- 
numbers. 
Description of lines. 
Wave¬ 
lengths. 
Remarks, 
2'45 
Faint, fine, discontinuous. 
4799-0 
The strongest lines of cadmium 
7-85 
Weak, fine, discontinuous. 
4676" 7 
are remarkable for being 
20-93 
Weak, fine, continuous, extended . 
4414-5 
much extended, more so than 
32-53 
Faint, very sfiort. 
4215-3 
those of zinc or even magne- 
36-15 
Faint, very short. 
4158-0 
sium. The nimbus surround- 
37-29 
Faint, very short. 
41410 
ing the electrodes is larger 
38-19 
Faint, very short. 
4127-4 
than that of zinc, but much 
39-01 
Faint, very short. 
4115-2 
less than that of the magne- 
47-93 
Faint, very short. 
3987-6 
sium lines. 
48-75 
Weak, very short. 
3976-3 
49-89 
Weak, very short. 
3974-5 
51-39 
Weak, very short. 
39400 
58-29 
Faint, very short. 
3851-0 
61-64 
Faint, very short. 
3810-0 
(72-59) 
(Faint, fine).. 
(3682-6) 
Line of doubtful origin. Like an 
impurity, as it proceeds from 
one electrode only. 
79-37 
r Strong, continuous, greatly extended, 
1 
J 
with a nimbus. 
36LP8 
A pair appearing like a single 
79-68 
I 
Very strong, continuous, much ex- 
f line. 
tended, with a nimbus .... 
3609-6 
87-06 
Weak, fine, discontinuous. 
3535-0 
90-88 
Weak, short, nebulous. 
3498-2 
94-30 
r Strong, continuous, much extended, 
1 
J 
< 
with a nimbus. 
3466-8 
A pair appearing like a single 
94-50 
Very strong, continuous, much ex- 
( line. 
tended, with a nimbus .... 
3465-4 
- 
101-45 
Very strong, continuous, extended 
3402-9 
103-56 
Weak, very short. 
33847 
1 
115-76 
J 
f Faint, very short. 
32853 
These lines appear somewhat 
116-06 
Weak, very short. 
3282-9 
>- nebulous, being very short 
116-87 
Weak, very short. 
3276 4 
and crowded together. 
118-45 
Weak, very short. 
3264-1 
119-00 
Strong, continuous, extended, fine . 
3260-2 
120-04 
Weak, fine, continuous. 
3251-8 
120-42 
Strong, fine, continuous, extended, 
weak in centre. 
3249-5 
122-21 
Faint, very short. 
3233-6 
123-91 
f Faint, very short. 
3222-6 
124-30 
Faint, very short. 
3219-9 
124-77 
Weak, very short. 
3216-0 
125-39 
Faint, very short. 
32118 
125-79 
Weak, very short. 
3209-0 
126-91 
Faint, very short. 
3200-6 
127-49 
f Weak, very short. 
3196-8 
127-78 
Weak, very short. 
3194-9 
129-21 
f Strong, very short. 
3185-1 
129-62 
[ Faint, very short. 
3181-5 
130-13 
f Faint, very short. 
3177-9 
130-40 
1 Faint, very short. 
31761 
130-87 
Strong, very short. 
31729 
132-60 
Strong, very short. 
31610 
133-30 
Weak, very short. 
31566 
133-78 
Faint, very short. 
3152-7 
136-80 
Weak, continuous, fine. 
3132-5 
