OF OBSERVATIONS OF COMPLEX PERIODICAL PHENOMENA. 
401 
Easterly Disturbance of Declination in the Sidereal Period of Mercury. 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
/ Successive 
t Months. 
13 
22 
5 
14 
23 
6 
15 
24 
7 
16 
25 
8 
17 
f Twenty-sixths 
I of the sidereal 
period of Mer- 
l cury. 
- 1-000 
+•568 
+•355 
-•971 
+ •749 
+ 120 
-•885 
+•885 
-•120 
-•749 
+•971 
-•355 
-•568 
Cosine. 
0000 
-•823 
+•935 
-•239 
-•663 
+•993 
— -465 
-•465 
+•993 
-•663 
-•239 
+•935 
-•823 
Sine. 
of Disturbance. 
46-396 
25086 
87-569 
87-888 
44-773 
15-669 
81-189 
233-638 
27-256 
66-268 
94-313 
55-685 
30-832 
1 1st 9 period*. 
16-777 
42-915 
21-585 
15-093 
8-540 
5-443 
82-517 
74-813 
21-741 
13-837 
20075 
20-990 
22-818 
2nd „ 
34-921 
32-894 
16-508 
28-006 
36-853 
32-650 
24-427 
42-940 
25-270 
67-160 
39-312 
27-949 
36-882 
3rd 
44-416 
18769 
22-813 
13100 
7-185 
36-425 
19-414 
8-449 
14-416 
13-078 
10-702 
16-942 
14-624 
4 th 
6-893 
8-118 
6-752 
20-732 
8-924 
10-489 
13311 
33118 
12-057 
25-447 
20-650 
40-744 
96-264 
5th 
69-377 
48-189 
97-001 
52-618 
38-394 
57-820 
114-162 
169-905 
198-777 
15-435 
49-717 
23-984 
70-715 
6th 
33-454 
19-002 
41033 
39174 
32-787 
47383 
40-953 
35-443 
69-321 
30153 
26-618 
179-782 
84-432 
7th 
19-299 
27-583 
32-972 
27-227 
22-576 
12-177 
0-000 
17-328 
32-728 
26-264 
27-672 
6-541 
80-336 
8th 
70-072 
30130 
41-462 
50-878 
13-940 
30095 
81-696 
16-635 
3045 
17-569 
13-226 
3059 
27-330 
9th 
40-817 
27-571 
0000 
6-695 
4-370 
16-389 
110-398 
5-117 
18-591 
13-281 
38-992 
55-874 
85-009 
10th „ 
59-819 
64-717 
57199 
70171 
101-645 
77-381 
64-724 
33-539 
62-790 
79164 
153136 
51-690 
45-709 
11th ., 
442-241 
344-974 
424-894 
411-582 
319-987 
341-921 
632-791 
670-925 
485-992 
367-656 
494-413 
483-240 
594-951 
Sums. 
40-204 
31-361 
38-627 
37-417 
29-090 
31-084 
57-526 
60-993 
44-181 
33-423 
44-947 
43-931 
54-086 
Means. 
-2-976 
— 11-819 -4-553 
-5-763 
-14-090 
-12096 
+14-346 
+ 17-813 
+ 1-001 
-9-757 
1 
+ 1-767 
+0-751 
+ 10-906 
Variations. 
* Commencing with March 1847. 
MDCCCLXXY 
d H 
