122 DEPOSITS OF PHOSPHATE OF LIME. | bull. 46. 
[XII. Aualyses of soluble guano, by Norton, Elemt>nts of Scientific Agriculture, I860.] 
Bolivian. 
Peruviau. 
Chilian. 
Ichaboe. 
5 to 7 
56 to 64 
25 to 29 
7 to 10 
56 to 66 
16 to 23 
10 to 13 
50 to 56 
22 to 30 
18 to 26 
36 to 44 
21 to 29 
Organic matter and 
[XIII. Analyses of soluble guanos, Cameron, Chemistry of Agriculture.] 
Water 
Organic matter 
Yielding ammonia 
Earthy phosphates 
Carbonate of lime 
Alkaline salts 
Sand, clay, and other useless 
mattor 
Upper 
Peruvian 
10.00 
21.68 
(4.50) 
51. 50 
14.12 
2.70 
100. 00 
Ichaboe. 
20.00 
24. 40 
(6. 00) 
20. 40 
6.20 
29.00 
100. 00 
Bird 
Island. 
100. 00 
Cuban. 
15.00 
26.00 
6.50 
4.10 
37.25 
43.70 
40.00 
24.10 
1.15 
2.10 
100. 00 
Kuria 
Muria. 
18.10 
12.41 
(2. 05) 
42.67 
4.19 
4.13 
18.50 
100. 00 
Patago 
nian. 
25.00 
18.30 
(2. 00) 
44.00 
2.10 
10.60 
100.00 
[XIV. Analysis of soluble guano from " an island in the Pacific," by R, S. Burn, Year-Book of Agri- 
cultural Pacts.] 
Water 4.60 4.60 
Organic matter ami ammoniacal salts 16. 85 16. 38 
Phosphates 71.40 69.10 
Carbonate of lime 3.15 7.90 
Alkaline salts 3.90 1.07 
Sand r 0.10 0.15 
100. 00 100. 00 
Ammonia 1.32 1.26 
[XV. Analysis of bat guano, Report Indiana Geological Survey, 1879, p. 163.] 
Loss at red heat 44.10 
Organic m atter 4. 90 
Ammonia 4.25 
Silica 6.13 
Alumina 14.30 
Ferric oxide 1. 20 
Lime 7.95 
Magnesia , 1.11 
Sulphuric acid 5.21 
Carbonic acid 3.77 
Phosphoric acid 1.21 
Chlorides of alkalies and loss 5.87 
100. 00 
LEACHED GUANOS. 
The second subdivision of guano deposits is leached guano. It is 
either pulverulent, or in a more or less solidified mass, and consists of 
guano from which all or almost all the soluble constituents have been 
(59G) 
