138 
MR. RUMKER’S OBSERVATIONS 
a Tucanse. (Ann. Var. + 17".6I6.) 
1822. 
Barom. 
Therm, j 
Microscopes. 
i. 
II. 
ill. 
IV. 
inches. 
o / // 
/ II 
/ // 
May 21 
29.93 
48 
28 52 12.5 
51 45 
52 21.7 
52 18.5 
26 
29.84 
46 
„ 52 3.0 
51 40 
„ 16.3 
„ 11.5 
28 
30.04 
44 
„ 52 6.0 
51 41.2 
„ 24 
„ 14.0 
29 
29.88 
48 
„ 52 0.5 
51 31.6 
„ 19 
„ 11.0 
30 
29.03 
51 
„ 52 0.5 
51 43.2 
„ 20 
„ 13.0 
31 
29.57 
58 
„ 52 1.3 
52 2 
„ 23.5 
„ 16.0 
June 3 
29.71 
48 
„ 51 59.5 
51 59.3 
„ 14.4 
„ 4.8 
6 
30 03 
46 
„ 52 13.5 
„ 17.9 
15 
30.12 
34 
„ 52 12.0 
„ 29.3 
„ 11.4 
May 31 
... Mean ... 
28 52 5.4 
51 46.0 
52 21.0 
52 13.1 
Refract, andReduct. 
+51.7 
51.7 
,51.7 
51.7 
Superior Culminnt. 
28 52 57.1 
52 37.7 
53 12.7 
53 4.8 
Inferior Cuhninat... 
331 6 27.5 
6 15.1 
6 40.7 
6 24.3 
Half Diff. S. T 
'. D. 
28 53 14.8 
53 11.3 
53 16.0 
53 20.2 
Superior Culmination. 
Inferior Culmination. 
1822. 
Barom. 
Therm. 
Microscopes. 
i. 
II. 
III. 
IV. 
May 26 
June 2 
3 
4 
inches. 
29.62 
29.85 
29.76 
29.90 
o 
60 
57 
56 
57 
331 17 18 
„ „ 26.0 
„ „ 17.0 
„ „ 28.7 
/ // 
16 48.5 
/ // 
17 36.4 
!/ // 
17 5.0 
„ 22.5 
„ 5.3 
„ 26.8 
17 10 
17 34.0 
„ 27.0 
„ 45.7 
June 1 
Refract. 
... Mean ... 
and Reduct. 
331 17 23.2 
-10 55.7 
17 10.8 
10 55.7 
17 36.4 
10 55.7 
17 19.9 
10 55.6 
331 6 27.5 
6 15.1 
6 40.7 
6 24.3 
Mean of 4 Microscopes 28° 53' 16".0 by 13 Observ. 
1827. 
Barom. 
| 
Microscopes. 
1827. 
Barom. 
H 
Microscopes. 
JC 
H 
i. 
II. 
III. 
IV. 
1 
i. 
II. 
III. 
IV. 
May 4 
inches. 
29.918 
4 , 1.5 
o 
29 
/ 
8 
// 
44 
/ // 
8 51.9 
/ // 
8 49.2 
/ // 
8 41.5 
May 4 
inches. 
29.91 
5°1 
o 
331 
31 
// 
7.0 
/ ✓/ 
31 12.0 
/ 
31 
// 
11.0 
30 50.0 
6 
30.164 
48 
99 
48.5 
99 
51.8 
8 48 
8 44 
5 
29.98 
54 
99 
31 
8.3 
31 6.4 
31 
8.0 
30 56.7 
8 
30.145 
46 
»> 
99 
43.6 
99 
50.8 
8 56.1 
9 
1.3 
6 
30.09 
60 
99 
31 
9.3 
31 0.0 
31 
1.1 
30 53.3 
19 
30.02 
41 
99 
99 
44.8 
99 
50.7 
8 54.4 
9 
3.7 
7 
30.07 
63 
99 
31 
3.0 
31 3.0 
31 
7.0 
30 53.0 
22 
30.20 
48 
99 
99 
43.5 
99 
48 
8 51.1 
9 
6.0 
21 
30.12 
55 
99 
31 
1.6 
31 1.0 
31 
13.0 
31 13.0 
23 
30.14 
50 
99 
99 
42 
99 
47.3 
8 56 
9 
5.1 
23 
30.15 
60 
99 
30 55.0 
30 53.7 
30 57.0 
31 0.5 
24 
30.18 
49 
99 
99 
42.3 
99 
53.3 
8 57.4 
9 
5.5 
24 
30.12 
63 
99 
30 55.8 
30 57.3 
31 
3.5 
31 5.0 
25 
30.12 
45.5 
99 
99 
45.0 
48.5 
99 
51.2 
8 54.1 
9 
5.4 
25 
30.07 
63 
99 
30 56.0 
30 54.0 
31 
6.0 
31 5.0 
31 
30.33 
(5 
99 
99 
99 
54.0 
9 0 
9 
7.8 
May 14 
.4... Mean... 
331 
31 
2.0 
31 0.9 
31 
5.8 
30 59.6 
May 19 
... Mean ... 
29 
8 44.7 
8 51.0 
8 54.0 
9 
0.0 
Refract.and Reduct. 
-9 21.5 
9 21.5 
9 21.5 
9 21.5 
Refract, and Rcduct. 
• 41.5 
41.5 
41.5 
41.5 
331 
21 
40.5 
21 39.4 
21 
44.3 
21 38.1 
29 
8 
9.5 
8 12.5 
18.5 
Superior Culminat. 
8 03.2 
8 
Inferior Culminat... 
331 
21 
40.5 
21 
39.4 
21 44.3 
21 
38.1 
Half Diff. s. r 
. D. 
28 
53 
11.3 
53 
15.1 
53 14.1 
53 20.2 
Mean of 4 Microscopes. 
28° 53' 15". 17 by 17 Observ. 
1828. ^ Barom. 
i 
Microscopes. 
1828. 
Barom. 
Therm. 
Microscopes. 
i. 
II. 
III. 
IV. 
i. 
II. 
III. 
IV. 
inches. 
inches. 
✓ ✓/ 
/ « 
/ II 
April 4 30.05 
39 
29 7 36.4 
7 34.5 
7 45.3 
7 41.5 
April 1 
29.54 
65.4 
331 29 14 
29 13.3 
29 18.0 
29 14.1 
7 30.05 
66 
„ „ 37.0 
„ 33.4 
„ 47.3 
„ 41.0 
5 
30.12 
53.5 
„ „ 41.7 
„ 43.0 
45 
„ 41 
9 29.77 
63.7 
„ „ 28.0 
„ 2825 
„ 42.3 
„ 36.3 
10 
29.72 
65.5 
» » 4 
„ 6.0 
8 
„ 4 
10 29.H5 
61.5 
>* >9 28.7 
„ 33 
„ 43.5 
„ 38.8 
... Mean ... 
331 29 19.9 
29 20.8 
29 23.7 
29 19.7 
12' 
„ „ 27.0 
„ 25.7 
„ 38.6 
„ 31.7 
Refract, and Rcduct. 
-9 13.8 
9 13.8 
9 13.8 
9 13.7 
April 8 ... Mean ... 
29 7 31.4 
7 31.0 
7 43.4 
7 37.9 
331 20 6.1 
20 7.0 
20 9.9 
20 6.2 
Refract, and Rcduct. 
-48.2 
48.2 
48.3 
48.2 
Superior Culminat. 
29 6 13.2 
6 12.8 
6 55.1 
6 49.7 
Inferior Culminat... 
331 20 6.1 
20 7.0 
20 9.9 
20 6.2 
Hair nifr. s. r 
. D. 
28 53 1 8/»5 
53 17.9 
53 22.6 
53 21.7 
Mean of 4 Microscopes 28° 53' 20". 19 by 8 Observ. 
