120 
MR. RUMKER’S OBSERVATIONS 
|3 Argus. (Ami. Var. — 14".834.) — (Continued.) 
Superior Culmination. 
Inferior Culmination. 
C 
Microscopes. 
p 
Microscopes. 
182S. 
Barom. 
1828. 
P 
i. 
II. 
ill. 
IV. 
£ 
I. 
ii. 
III. 
IV. 
inces. 
✓ // 
/ // 
/ n 
! // 
inches. 
o 
/ // 
/ // 
May 13 
29.78 
6o.7 
21 
12 43 
12 53.8 
12 51 
12 53 
May 13 
29.82 
64.3 
339 
18 17.5 
18 29.7 
18 35.5 
18 28 
11 
29.S4 
69 
» 
44.8 
12 53.0 
12 58.7 
„ 53.5 
14 
29.92 
49 
99 
„ 27.0 
„ 37.0 
» 42.5 
» 38.7 
15 
29.97 
64 
99 
„ 39.2 
12 46.8 
12 54 
„ 49 
15 
30.04 
38 
„ 
„ 30.5 
„ 41.2 
„ 50.0 
„ 47.0 
in 
30.05 
61.7 
99 
„ 40.8 
12 53.5 
12 58.5 
„ 48.7 
16 
30.07 
34.5 
99 
„ 37.0 
„ 49.2 
„ 47.9 
„ 40.0 
17 
30.10 
53 
99 
„ 46.0 
12 54.2 
13 0.8 
„ 52 
17 
30.18 
36.3 
99 
» 41.0 
„ 47 
„ 50.5 
„ 46 
18 
30.28 
55 
99 
„ 42.7 
12 52.3 
12 54.3 
„ 48 
18 
30.36 
37.3 
99 
„ 44.0 
» 49.3 
» 57.2 
„ 50.1 
19 
30.37 
57.2 
99 
„ 44.7 
12 52.3 
12 52 
„ 50.5 
29 
29.80 
35.5 
99 
„ 33.0 
» 35.7 
„ 44.7 
„ 35 
20 
30.27 
04 
» 42 
12 51.0 
12 50 
May 17 
.4. ..Mean... 
339 
18 33.5 
18 41.3 
18 47.0 
18 40.7 
23 
30.23 
„ 43 
12 49.4 
12 54.3 
„ 47.4 
liefract. and Reduct. 
-4 46.3 
4 46.4 
4 46.3 
4 46.4 
24 
30.22 
59.0 
„ 46.7 
12 48.5 
12 54.5 
„ 48.3 
25 
30.14 
61.3 
99 
„ 44.8 
12 49.3 
12 56.1 
„ 46.4 
339 
13 47.2 
13 54.9 
14 0.7 
13 54.3 
26 
29.97 
61.2 
99 
„ 45.0 
12 51.4 
12 56.0 
„ 50.0 
30 
29.79 
5G 
99 
„ 42.7 
12 48 
12 53.4 
„ 45.3 
June 11 
29.74 
69.2 
99 
„ 54.0 
13 1.0 
13 6.7 
„ 58.3 
12 
29.78 
69.2 
99 
„ 51.6 
12 56.7 
13 3.0 
„ 58.0 
May 19 
... Mean ... 
21 
12 44.7 
12 52.1 
12 56.2 
12 50.5 
Refract, and Reduct. 
-7.3 
7.3 
7.3 
7.2 
Superior Culminat 
21 
12 37.4 
12 44.8 
12 48.9 
12 43.3 
Inferior Culminat... 
339 
13 47.2 
13 54.9 
14 0.7 
13 54.3 
Half Diff. S. P. D. 
20 
59 25.1 
59 24.9 
59 24.1 
59 24.5 
Mean of 4 Microscopes. 
1828. 
i 
Microscopes. 
1828. 
Barom. 
i 
Microscopes. 
H 
I. 
II. 
III. 
IV. 
rO 
H 
i. 
II. 
III. 
IV. 
inches. 
o 
/ // 
/ // 
/ ✓✓ 
inches. 
June 1 1 
29.97 
Ij3 
21 
12 55.5 
12 52.7 
12 58.8 
12 55.0 
June 17 
30.112 
38.5 
339 
18 32.4 
18 35.4 
18 43.3 
18 46.6 
17 
30.03 
60 
99 
12 57.0 
12 46.2 
12 48.3 
12 51.0 
19 
30.34 
36.5 
99 
„ 35.0 
» 40.0 
» 46.0 
» 44.7 
20 
30.27 
55 
99 
12 54.0 
12 54.0 
12 59.0 
12 53.0 
20 
30.26 
36.5 
99 
„ 35.5 
„ 41.0 
» 39.3 
„ 44.1 
23 
30.15 
68 
» 
12 49.0 
12 46.0 
12 48.3 
12 50.0 
July 3 
29.722 
44 
99 
„ 25.0 
„ 29.0 
„ 32.5 
„ 38.0 
July 1 
29.76 
12 
u 
12 57.0 
1 2 48.8 
12 58 
13 l.o 
June 22 
... Mean ... 
339 
18 32.0 
18 36.3 
18 40.3 
18 43.35 
2 
29.83 
a 
13 3.2 
12 54.7 
12 57.5 
13 0.0 
Refract, and Reduct. 
-4 44.9 
4 44.9 
4 44.9 
4 44.91 
4 
29.82 
53 
13 6.0 
13 4.5 
12 59.0 
5 
30.13 
58.5 
99 
13 8 
13 8 
12 59.5 
13 1.2 
339 
13 47.1 
13 51.4 
13 55.4 
13 58.4 
June 26 
... Mean ... 
21 
12 58.7 
12 52.9 
12 49.2 
12 56.3 
Refract, and Reduct 
-11.4 
11.4 
11.4 
11.3 
Superior Culminat 
21 
12 4721 
12 41.5 
12 37.8 
12 45.0 
Inferior Culminat... 
.339 
13 47.1 
13 51.4 
13 55.4 
13 58.4 
Half Diff. S. 1 
. D. 
21 
59 30.1 
59 25.0 
59 21.2 
59 23.3 
Mean of 4 Microscopes . 
21° 59' 24".9 by 12 Obscrv. 
