4 . 
Lesley. ] 264 [ Dee. 21, 
arb. gnesia, arb. Lime, Insol. matters. 
Number of bed. are Moeucels pe b. L 4 s 
1 36.9 38.3 58.3 57.0 4.6 4.0 
2 38.5 3.97 50.6 56.2 5.3 3.8 
3) 38.1 BU 56.3 87.6 4.7 8.8 
4 1.8 1.9 94.0 97.1 3.8 1.4 
9) 1.4 0.7 96.4 97.8 1.9 2.1 
6a 6 1.4 1.8 95.5 97.6 1.5 1.0 
6b i 3.6 3.7 87.1 87.4 9.7 9.0 
u 14.5 0% 82.3 87.5* 3.1 3.9* 
8 24.8 27.14 68.3 67. 6+ 5.5 5.4+ 
9 8.1 8.2 90.7 90.3 1.9 5.7 
10 1.8 1.3 97.6 96.7 Ilsa 2.2 
11 32.4 20.0 66.0 75.9 1.6 2.5 
12 2.3 129 96.8 97.3 1.2 1.4 
13 2.4 11.9 95.8 83.9 1.8 3.4 
14 4.4 1.0 92.4 97.3 3.4 1.8 
15 1.3 2.0 91.8 Oiiealt ileal 1.2 
16 iil 33.4 97.7 60.1 ili 5.9 
17 1.2 4.3 97.0 93.5 1.5 2.1 
18 30.8 34.5 65.3 62.3 3.5 2.9 
19 3.0 OFS iia eo Ge4: 98.7 0.7 9.5 
20 18.5 24.38 | 76.3 71.5 5.8 4.2 
21 3.8 1.6 93.7 97.4 Ly 1.3 
22 30.8 28.6 65.3 64.3 3.4 6.5 
23 1.6 2.0 94.8 93.1 3.9 4.8 
24 23.8 23.6 68.9 68.9 7.4 6.3 
25 6.8 6.3 90.0 71.0 0.4 22.9 
26 28.5 18.1 63.3 75.7 6.2 5.6 
27 6.7 2.0 81.3 94.2 12.0 4.0 
28 29.1 d1.4 65.0 62.4 5.4 5.4 
29 to 1.5 98.9 97.9 0.6 0.9 
30 27.7 25.1 61.0 64.5 10.9 10.3 
dl ine 1.0 96.7 97.6 ist) 1.8 
32 1.6 1.2 97.6 96.8 ea 1.5 
33 18.8 25.7 75.2 67.2 4,7 5.9 
34 15.0 3.0 81.6 93.6 2.7 2.8 
Bi) 17.0 13.3 TREY 83.0 2.9 2.8 
36 8.2 1.6 87.7 98.7 1.6 0.3 
37 00.6 37.3 61.5 5.63 4.7 6.1 
38 Ho? 2.2 96.9 95.8 1.4 19 
39 30.0 04.8 59.6 57.2 6.9 6.5 
40 1.5 1.3 92.8 91.0 1.3 7.9 
41 22.5 28.2 73.6 6.55 3.4 4.8 
42 2.0 96.2 2.4 Se 
43 16 7.6 97.2 90.1 0.7 1.8 
ne 29.5 27.1 63.4 68.2 6.4 3.6 
45 ig) 2.2 94.3 95.3 3.5 2.2 
46 DD.2 26.9 57.8 66.2 8.0 5.7 
*Bed 7 38d analysis 21.7 72.2 6.3 
+Bed 8 Ce rammeact 30.9 63.6 5.1 
*+The third analysis was of a sample intermediate between the top and bot- 
tom of the exposure. i 
