AT THE OBSERVATORY AT PARAMATTA 
147 
a Eridani. (Ann. Var. + 18".462.) — (Continued.) 
Superior Culmination. 
Inferior Culmination. 
1822. 
Barom. 
£ 
Microscopes. 
1 ftOO 
Barom. 
a 
Microscopes. 
O 
H 
i. 
II. 
III. 
IV. 
H 
I. 
11. 
ill. 
IV. 
inches. 
/ // 
/ // 
/ // 
inches. 
O 
o / _// _ 
/ // 
/ // 
/ // 
May 21 
29.91 
5°8 
31 51 52.5 
51 26 
52 7.1 
52 1.4 
May 21 
29.98 
50 
328 25 20.2 
24 51 
25 35.6 
25 20.5 
25 
29.68 
55 
„ „ 56.0 
„ 26.2 
„ 11.0 
„ 0.0 
29 
29.93 
47 
„ „ 20.0 
„ 57.0 
„ 39.5 
„ 15.4 
28 
30.03 
52 
„ „ 53.7 
„ 8.0 
„ 15.7 
„ 6.0 
30 
2.9.71 
48 
» 27.2 
„ 47.5 
„ 35.0 
„ 19.8 
June 2 
29.87 
57 
„ „ 52.7 
„ 13.0 
„ 37.0 
„ 3.0 
June 2 
29.92 
50 
„ „ 15.0 
„ 27.7 
„ 16.2 
May 27 
... Mean ... 
31 51 53.7 
51 18.3 
52 17.7 
52 2.6 
May 28 
... Mean ... 
328 25 20.6 
24 51.4 
25 34.4 
25 18 
Refract, and Reduct. 
+59.7 
59.7 
59.7 
59.7 
Refract, and Reduct. 
-18 50.4 
18 50.4 
18 50.4 
18 50.4 
Superior 
Culminat. 
31 52 53.4 
52 18.0 
53 17.4 
53 2.3 
328 6 30.2 
6 1.0 
6 44.0 
6 27.6 
Inferior Culminat... 
328 6 30.2 
6 1.0 
6 44.0 
6 27.6 
Mean Inside Temperature 48°. 
Half Diff. S. P. D. 
31 53 11.6 
53 8.5 
53 16.7 
53 17.4 
Mean of 4 Microscopes 31° 53' 13".5 by 8 Observ. 
1 
Barom. 
a 
Microscopes. 
Barom. 
a 
Microscopes. 
P 
i. 
II. 
ill. 
IV. 
-c 
H 
i. 
II. 
ill. 
IV. 
inches. 
O 
o / tt 
/ // 
/ U 
/ ✓/ 
inches. 
o / // 
/ // 
/ // 
/ // 
June 1 
29.86 
49 
31 51 56 
51 52.7 
52 9.8 
52 17.0 
June 1 
29.70 
53 
328 24 38 
24 22.0 
24 50 
24 32.5 
3 
29.86 
52 
„ 51 57.0 
52 0.0 
„ 16.8 
52 4.0 
4 
29.99 
46 
„ 25 28 
25 34.0 
25 33.7 
25 17.6 
7 
30.15 
39 
„ 51 58 
51 58 
„ 25.0 
52 7.0 
9 
29.92 
47.5 
„ 25 11.5 
25 0.8 
25 25.2 
25 12.2 
9 
29.88 
40 
„ 52 0.5 
51 58.5 
„ 23.3 
52 13.0 
14 
29.95 
47.5 
„ 25 9.0 
24 53.4 
25 21.5 
25 8.5 
10 
29.67 
50 
„ 52 1.5 
51 53.0 
„ 26.0 
52 10.0 
20 
30.00 
36.5 
„ 25 43.6 
25 48.0 
25 58.4 
25 36.3 
12 
29.80 
52 
„ 52 0.5 
51 51.0 
„ 26.0 
51 59.0 
21 
30.00 
42.5 
„ 25 34.7 
25 18.5 
25 47.6 
25 27.7 
15 
30.05 
40 
„ 52 3.7 
51 54.8 
„ 23.8 
52 11.7 
June 11 
... Mean ... 
328 25 17.5 
25 9.5 
25 29.4 
25 12.5 
16 
30.00 
39.5 
„ 52 4.0 
51 51.5 
„ 24.3 
52 12.0 
Refract, and Reduct. 
-18 57.5 
18 &7.f> 
18 57.5 
18 57.5 
17 
29.93 
„ 52 5.8 
51 53.7 
„ 26.3 
52 9.3 
20 
30.00 
31 
„ 52 9.0 
51 54.5 
„ 31.4 
52 12.0 
328 6 20.0 
6 12.0 
6 31.9 
6 15.0 
21 
29.74 
41 
„ 52 14.0 
51 2.7 
„ 32.0 
52 20.7 
22 
29.68 
48 
„ 52 12.8 
51 9.0 
» 38.4 
52 16.8 
23 
29.89 
48 
„ 52 11.0 
51 59.2 
„ 34.0 
52 19.0 
June lc 
... Mean... 
31 52 4.1 
51 56.8 
52 25.9 
52 11.7 
Refract, and Reduct. 
+54.1 
54.1 
54.1 
54.2 
Superior Culminat. 
31 52 58.3 
52 50.9 
53 20.0 
53 5.9 
Inferior Culminat... 
328 6 20.0 
6 12.0 
6 31.9 
6 15.0 
Mean Inside Temperature 47°. 
Half Diff. S. P. D. 
31 53 19.1 
53 19.4 
53 24.0 
53 25.4 
Mean of 4 Microscopes 31° 53' 22".0 by 19 Observ. 
