AT THE OBSERVATORY AT PARAMATTA 
107 
y Hydri. (Ann. Var. -f- 10".7-) 
1826. 
Barom. 
Therm. 
Microscopes. 
1826. 
Barom. 
Therm. 
Microscopes. 
i. 
II. 
III. 
IV. 
i. 
II. 
III. 
IV. 
inches. 
o v // 
/ ✓/ 
/ // 
/ // 
inches. 
o / // 
/ H 
/ // 
July 30 
30.36 
32 
15 55 58.2 
55 57.5 
55 55.6 
55 57 
July 17 
30.08 
35.5 
345 29 39.5 
29 35.4 
29 38.5 
29 32.1 
Aug. 3 
29.92 
41.5 
„ „ 56.4 
„ 51.0 
„ 53 
55 56 
19 
30.10 
46 
„ „ 39 
„ 31 
„ 28.5 
„ 26 
10 
29.85 
43.5 
„ „ 51.0 
„ 48.0 
„ 45 
55 54 
12 
30.06 
54 
„ „ 29.4 
„ 23.8 
„ 27.0 
„ 17.7 
12 
30.05 
45.0 
„ „ 50.0 
„ 52.3 
„ 54 
55 54 
18 
29.69 
54 
„ „ 25.2 
„ 17.0 
„ 18.5 
„ 12.5 
18 
29.75 
43 
„ „ 52.3 
„ 48 
„ 45 
55 47 
19 
29.73 
60.5 
„ „ 30.0 
„ 30.0 
„ 21.0 
„ 16.0 
19 
29.77 
42 
„ „ 48.0 
„ 47.5 
,, 47 
55 47.5 
25 
29.80 
54.0 
„ „ 24.0 
„ 15.0 
„ 19.7 
„ 13.3 
25 
29.96 
39.5 
>t ss 52 
„ 50.0 
„ 49.1 
55 55.8 
26 
30.04 
49 
„ „ 25.0 
„ 19.0 
„ 25.0 
„ 15.0 
27 
» » 58 
„ 55 
„ 51.5 
56 2.0 
Aug. 5 
... Mean ... 
345 29 30.3 
29 23.2 
29 25.3 
29 18.9 
Sept. 1 
29.90 
50 
„ „ 52 
„ 48 
„ 45.5 
55 52.0 
Refract, and Reduct. 
-2 46.9 
2 46.9 
2 46.9 
2 46.9 
2 
29.88 
45 5 
„ „ 51.0 
„ 51.0 
50.8 
55 51.2 
345 26 43.4 
26 36.3 
26 38.4 
26 32.0 
Aug. 18 
... Mean ... 
15 55 52.9 
55 50.8 
55 49.6 
55 53.6 
Refract, and Reduct. 
-56.2 
56.1 
56.2 
56.1 
Superior Culminat. 
15 54 56.7 
54 54.7 
54 53.4 
54 57.5 
Inferior Culminat... 
345 26 43.4 
26 36.3 
26 38.4 
26 32.0 
Half. DifF. S. P. D. 
15 14 9.2 
14 6.65 
14 7.5 
14 12.75 
Mean of 4 Microscopes 15° 14' 9". 02 by 17 Observ. 
Superior Culmination. 
Inferior Culmination. 
Microscopes. 
B 
Microscopes. 
1827. 
I. 
n .. 
III. 
IV. 
g 
I. 
ii. 
in. 
IV. 
inches. 
o 
/ II 
/ n 
/ // 
/ // 
15 
30 
9.8 
30 
14.7 
30 
13.3 
30 20.5 
July 30 
30.01 
68 
345 3 28 
3 30 
3 34 
3 34 
99 
99 
5.4 
99 
14.2 
99 
12.3 
99 
18.0 
Aug. 6 
30.10 
51 
99 
„ 30.3 
» 32.1 
„ 34.0 
» 31 
99 
99 
10.4 
99 
10.2 
99 
18.3 
99 
21.2 
7 
30.10 
63 
99 
„ 29.1 
» 33.7 
„ 33.0 
„ 33.5 
99 
„ 
9.8 
99 
16.0 
99 
20.4 
99 
17.7 
14 
29.98 
54.3 
99 
„ 25.0 
„ 28.5 
„ 31.3 
» 26.1 
99 
99 
1.8 
99 
16.0 
99 
15.7 
99 
18.6 
15 
30.04 
49.5 
99 
* 23.7 
» 25.4 
„ 26.9 
» 25.7 
99 
99 
6.7 
99 
12.0 
99 
20.7 
99 
13.0 
19 
29.96 
58 
99 
» 24 
» 26 
» 27.3 
„ 28.0 
99 
99 
7.0 
99 
13.3 
16.5 
99 
17.3 
20 
29.95 
59 
99 
» 24 
» 22.1 
„ 26.0 
„ 24.0 
99 
99 
10.0 
99 
17-5 
99 
17.0 
99 
20 
21 
30.04 
51 
99 
» 20 
„ 23.3 
„ 23.0 
» 27 
99 
99 
8.0 
99 
9.3 
99 
18.0 
99 
17.9 
22 
99 
» 23 
„ 20.5 
99 25.7 
„ 23 
99 
99 
3.5 
99 
11.7 
99 
16.3 
99 
15.0 
Aug. 13 
.5... Mean... 
345 
3 25.23 
3 26.84 
3 29.02 
3 28.03 
99 
99 
2.5 
99 
9.5 
>, 
12.0 
99 
17.5 
Refract, and Reduct. 
2 36.22 
2 36.22 
2 36.22 
2 36.22 
1 8 
10 0 
13 o 
16.1 
99 
99 
99 
99 
4.5 
99 
99 
18.2 
99 
16.0 
99 
18 
345 
0 49.01 
0 50.62 
0 52.8 
0 51.8 
99 
99 
7.5 
99 
18.0 
99 
20.5 
99 
21 
15 
30 
6.34 
30 
13.6 
30 
16.4 
30 
18.0 
-1 
4.08 
1 
4.1 
1 
4.1 
1 
4.1 
15 
29 
2.26 
29 
9.5 
29 
12.3 
29 
13.9 
345 
0 49.01 
0 50.6 
0 52.8 
0 51.8 
15 
14 
6.62 
14 
9.45 
14 
9.7 
14 
11.1 
Mean of 4 Microscopes. 
1827. 
July 30 
Aug. 4 
5 
6 
7 
14 
15 
17 
18 
21 
27 
28 
30 
Sept. 1 
Barom. 
inches. 
29.81 
29.86 
30.14 
30.25 
29.93 
30.18 
30.10 
29.91 
29.99 
29.77 
30.00 
30.23 
54 
41.5 
34.7 
43.7 
37 
39 
37 
48 
42 
39 
50.5 
38 
40 
Aug. 151.8... Mean... 
Refract, and Reduct. 
Superior Culminat. 
Inferior Culminat... 
Half Diflf. S. P. D. 
p 2 
