AND DISPERSION IN ICELAND SPAR. 
425 
Table I.—Prism I., Ray C. 
o 
CO 
.11 
56' 20". 
D + i. 
0. 
0'- 
/*■ 
89 25 5 
76 8 
35 57 5 
1-65367 
86 48 5 
72 8 
35 7 56 
1-65393 
84 30 20 
68 8 
34 7 39 
1-65416 
82 31 0 
54 8 
32 56 58 
1-65438 
80 48 40 
60 8 
31 36 52 
1-65431 
79 22 35 
56 8 
30 8 6 
1-65395 
78 12 30 
52 8 
28 31 16 
1-65335 
77 17 15 
48 8 
26 47 25 
1-65223 
76 37 25 
44 8 
24 56 58 
1-65078 
76 12 35 
40 8 
23 0 48 
1-64873 
76 4 0 
36 8 
20 59 21 
1-64623 
D+i. 
t- 
fi. 
O 1 1/ 
o i n 
o i u 
76 4 1 
39 51 48 
22 54 48 
1-64627 
76 12 26 
43 51 48 
24 56 23 
1-64335 
76 37 36 
47 51 48 
26 52 44 
1-64021 
77 18 41 
51 51 48 
28 43 11 
1-63684 
78 15 56 
55 51 48 
30 26 47 
1-63341 
79 29 26 
59 51 48 
32 2 45 
1-62991 
81 0 36 
63 51 48 
33 29 49 
P62669 
82 49 46 
67 51 48 
34 47 10 
1-62356 
84 58 36 
71 51 48 
35 53 35 
1-62095 
87 27 31 
75 51 48 
36 48 20 
1-61862 
90 17 56 
79 51 48 
37 30 24 
1-61680 
Table II. — Prism II., Ray C. 
i=43° 
36' 19''. 
D + i. 
0. 
0'. 
/'• 
84 39 59 
71 51 30 
35 46 5 
1-62580 
82 16 14 
67 51 30 
34 47 11 
1-62352 
80 9 4 
63 51 30 
33 38 11 
1-62064 
78 18 19 
59 51 30 
32 19 22 
1-61734 
76 42 24 
55 51 30 
30 51 43 
1-61345 
75 21 29 
51 51 30 
29 15 29 
1-60919 
74 14 19 
47 51 30 
27 31- 37 
1-60438 
73 20 59 
43 51 30 
25 40 30 
1-59912 
72 41 14 
39 51 30 
23 42 54 
1-59350 
72 15 24 
35 51 30 
21 39 16 
1-58745 
72 4 29 
31 51 30 
19 30 7 
1-58107 
D+i. 
f- 
Y''- 
/'• 
0 l n 
o / // 
O 1 II 
72 8 56 
44 8 16 
26 15 2 
1-57449 
72 30 6 
48 8 16 
28 21 12 
P56820 
73 7 36 
52 8 16 
30 21 6 
1-56239 
74 1 1 
56 8 16 
32 13 56 
1-55692 
75 11 1 
60 8 16 
33 58 32 
1-55187 
76 38 41 
64 8 16 
35 33 35 
1-54733 
78 25 21 
68 8 16 
36 57 46 
1-54350 
80 31 41 
72 8 16 
38 10 8 
1-54019 
