312 
MESSES. EOSCOE AND THOEPE ON THE EELATION 
Table I. (2.) 
A.M. 
P.M. 
Expt. 
Date. 
Hour. 
Altitude. 
Sun. 
Skv. 
Total. 
Expt. 
Date. 
Hour. 
Altitude. 
Sun. 
Sky. 
Total. 
h 
111 
h 
m 
12. 
6 
7 
1 
20 
59 
•024 
•095 
•119 
18. 
6 
5 
0 
23 
15 
•035 
•069 
•104 
BO. 
9 
7 
2 
21 
10 
•023 
•062 
•085 
27. 
8 
5 
2 
22 
10 
•027 
•072 
•099 
49- 
12 
7 
i 
20 
20 
•032 
•063 
•095 
39. 
9 
5 
6 
21 
26 
•026 
•060 
•086 
87. 
24 
6 
54 
17 
29 
•017 
•058 
•075 
46. 
10 
5 
0 
ocy 
** a 
15 
•045 
•069 
•114 
108. 
27 
7 
6 
19 
17 
•017 
•057 
•074 
66. 
21 
5 
4 
19 
07 
•013 
•051 
•064 
119. 
2S 
7 
1 
18 
18 
•016 
•059 
•075 
75.- 
22 
5 
1 
19 
15 
•023 
•060 
•083 
129- 
29 
7 
1 
18 
24 
•016 
•047 
•063 
85. 
23 
4 
58 
19 
24 
•024 
•068 
•092 
132. 
30 
6 
59 
17 
56 
•017 
•050 
•067 
96. 
24 
5 
0 
18 
50 
•022 
•060 
•082 
106. 
26 
5 
4 
17 
22 
•017 
•058 
•075 
153 
53 
•162 
•491 
•653 
117. 
27 
4 
58 
18 
23 
•015 
•059 
•074 
Means 
19 
14 
•020 
•061 
•082 
201 
27 
•247 
•626 
•873 
Means 
20 
09 
•025 
•062 
•087 
(3.) 
A.M. 
P.M. 
Expt. 
Date. 
Hour. 
Altitude. 
Sun. 
Sky. 
Total. 
Expt. 
Date. 
Hour. 
Altitude. 
Sun. 
Sky. 
Total. 
li 
m 
li 
m 
O 
13. 
6 
8 
0 
32 
25 
•081 
•Ill 
•192 
10. 
5 
4 
0 
35 
21 
•069 
•138 
•207 
31. 
9 
7 
59 
31 
58 
•053 
•101 
•154 
17. 
6 
4 
0 
34 
49 
•049 
•116 
•165 
50. 
12 
8 
0 
31 
49 
•079 
•103 
•182 
26. 
8 
4 
1 
34 
11 
•060 
•112 
T72 
58. 
21 
8 
2 
30 
43 
•050 
•097 
•147 
38. 
9 
4 
12 
31 
50 
•049 
•096 
•145 
77. 
23 
8 
0 
30 
23 
•044 
•097 
•151 
45. 
10 
4 
0 
34 
04 
•081 
•109 
•190 
88. 
24 
7 
59 
29 
58 
•051 
•087 
T38 
65. 
21 
4 
10 
29 
29 
•041 
*087 
•128 
98. 
26 
8 
0 
29 
58 
•051 
•098 
•149 
74. 
22 
3 
58 
31 
21 
•036 
•118 
•154 
109. 
27 
8 
1 
29 
57 
•045 
•096 
•141 
84. 
23 
3 
59 
30 
53 
•043 
•077 
•120 
120. 
28 
8 
0 
29 
41 
•047 
•093 
•140 
95. 
24 
4 
0 
30 
36 
•051 
•100 
•151 
130. 
29 
7 
59 
29 
38 
•032 
•080 
•112 
105. 
26 
4 
2 
29 
38 
•053 
•092 
•145 
133. 
30 
8 
0 
29 
38 
•036 
•084 
T20 
116. 
27 
4 
5 
28 
40 
•053 
•097 
•150 
336 
08 
•569 
1-047 
1-606 
350 
52 
•585 
1*143 
1-727 
Means 
30 
33 
•052 
•097 
•146 
Means 
31 
54 
•053 
•104 
•157 
( 4 -) 
A.M. 
Expt. 
Date. 
Hour. 
Altitude. 
Sun. 
Sky. 
Total. 
14. 
6 
h m 
9 0 
44 13 
•102 
•124 
*226 
51. 
12 
9 2 
43 33 
•154 
•129 
•283 
59. 
21 
8 59 
41 16 
•144 
•129 
•273 
68. 
22 
9 0 
41 38 
•089 
•124 
•213 
78. 
23 
8 59 
41 20 
•091 
•109 
•200 
89. 
24 
8 58 
40 58 
•079 
•104 
•183 
99. 
26 
9 1 
41 21 
•083 
•114 
•197 
110. 
27 
9 7 
41 09 
•108 
•120 
•228 
121. 
28 
9 5 
41 00 
•090 
•112 
•202 
131. 
29 
9 0 
40 48 
•098 
•098 
•196 
134. 
30 
9 5 
41 35 
•082 
•096 
•178 
458 51 
M20 
1-259 
2-379 
Means 
41 43 
•102 
•216 
P.M. 
Expt. 
Date. 
Hour. 
Altitude. 
Sun. 
Sky. 
Total. 
9- 
5 
h m 
3 2 
46 25 
•105 
•158 
•263 
25. 
8 
3 1 
45 46 
•142 
•136 
•278 
44. 
10 
3 3 
44 59 
•139 
•128 
•267 
56. 
12 
2 59 
45 02 
•069 
•083 
•152 
64. 
21 
3 1 
42 35 
•086 
•114 
•200 
73. 
22 
3 0 
42 34 
•114 
•116 
•230 
83. 
23 
2 58 
42 20 
•103 
•104 
•207 
104. 
26 
3 2 
40 42 
•094 
•116 
•210 
115. 
27 
3 0 
40 45 
•091 
•112 
•203 
127. 
28 
3 0 
40 23 
•075 
•110 
•185 
137. 
30 
3 6 
38 25 
•070 
•0S9 
•159 
469 56 
1-088 
1-266 
2-354 
Means 
42 43 
•099 
•115 
•214 
