13 
Table IV. — Analyses of guanos, with their approximate values — Continued. 
Lab- 
ora- 
tory 
No. 
Name or location of 
cave. 
Description. 
Total 
nitro- 
gen 
(N). 
Nitro- 
gen as 
am- 
monia. 
Nitro- 
gen as 
•ni- 
trate. 
Total 
phos- 
phoric 
acid. 
(P 2 5 ). 
Water- 
solu- 
ble 
phos- 
phoric 
acid. 
Ci- 
trate- 
solu- 
ble 
phos- 
phoric 
acid. 
Ap- 
prox- 
imate 
value 
per 
dry 
ton. 
797 
"LosChorros,"etc— Con. 
Mixture of surface 3 
in. near 788 to 791. 
Surface to 3 ft 
Surface to 6ft 
Surface to 2 ft 
do 
do 
P.ct. 
2.27 
.21 
.88 
.44 
.68 
.03 
.06 
.07 
1.38 
.25 
1.32 
4.28 
.21 
3.28 
2.08 
.59 
.47 
.12 
.52 
.14 
.34 
4.07 
1.03 
1.58 
.21 
.18 
.83 
.41 
4.15 
.36 
.53 
.08 
.07 
1.01 
.06 
4.42 
3.62 
1.53 
1.30 
1.51 
1.93 
P.ct. 
0.06 
P.ct. 
0.25 
P.ct. 
11.16 
17.25 
31.92 
19.13 
18.67 
2.21 
3.65 
5.10 
16.07 
38.57 
12.72 
13.48 
32.35 
18.53 
.50 
.50 
13.36 
9.97 
20.24 
22.82 
36.77 
8.25 
5.08 
11.02 
15.86 
3.63 
• 5.82 
4.75 
6.49 
6.76 
2.97 
4.72 
4.70 
1.46 
3.01 
16.66 
14.83 
24. 59 
26.52 
20.88 
21.52 
P.ct. 
0.51 
Trace. 
.71 
Trace. 
Trace. 
P.ct. 
4.21 
3.02 
8.41 
3.85 
6.03 
.05 
S3. 51 
798 
"Guaniquilla No. I." 
Barrio Guaniquilla, 
Cabo Rojo: 
Section A 
1.11 
799 
12.41 
800 
" Guaniquilla No. II, " 
Barrio Guaniquilla, 
Cabo Rojo: 
4.73 
801 
Section B 
Section C 
Hacienda Juanita, be- 
tween Mayaguez and 
Las Marias. 
Do 
7.39 
802 
804 
805 
806 
"Boquilla," Barrio 
Tierras Nuevas, Cam- 
po Alegre: 
Section A 
Surface to 6 in 
6 to 30 in 
.43 
.34 
.25 
.66 
.79 
5.43 
5.81 
3.88 
5.63 
5.68 
5.60 
4.69 
807 
Do 
2.81 
808 
Section B 
Surface to 3 ft 
Surface to 6 ft 
6 in. to 6J ft 
6.52 
809 
.02 
.54 
5.96 
810 
Do 
3.66 
811 
Surface to 3 ft 
Surface to 3 in 
3 to 15 in 
.04 
.03 
.24 
.47 
6.90 
812 
" Alta Gracia, " Barrio 
El Coto, Manati. 
Do 
3.22 
813 
1.18 
814 
"La Laguna," Barrio 
El Coto, near Campo 
Alegre: 
Section A 
Surface to 12 in 
12 to 36 in 
Trace. 
Trace. 
Trace. 
.56 
1.06 
2.34 
Trace. 
.64 
Trace. 
Trace. 
.27 
.14 
.37 
.08 
.07 
2.39 
2.27 
4.69 
2.61 
8.62 
6.36 
2.58 
4.81 
.51 
.66 
4.07 
2.06 
2.63 
5.50 
2.29 
1.15 
1.03 
1.12 
3.33 
815 
Do 
2.51 
816 
Section B 
Surface to 6 ft 
Surface to 24 in 
Surface to 3 ft 
do 
Surface material 
First 2i ft. from dry 
part of cave. 
Surface to 3 ft 
Surface to 2 ft 
Surface to 3 ft 
do 
2 to 50 in 
4.68 
817 
"Los Santos," Barrio 
El Coto, Manati. 
"Central Carmen," 
Barrio Rio Abajo, 
Vega Baja. 
"Miranda," Barrio Rio 
Arriba, Vega Baja. 
Aguas Buenas 
2.89 
818 
10.24 
819 
820 
.43 
1.74 
17.86 
4.64 
821 
Do 
7.97 
824 
"La Oscura," Barrio 
Rosario,San German: 
Section A 
.74 
825 
Section C 
.92 
826 
" El Murcielago, " Bar- 
rio Rosario, San Ger- 
man: 
Section A 
5.73 
827 
Section B 
Do 
2.88 
828 
.05 
.83 
10.80 
829 
Do 
6.22 
830 
Section C 
Surface to 12 in 
Surface to 36 in 
Surface to 12 in 
Surface to 9 ft 
Surface to 24 in 
Surface to 3 in 
do 
3 in. to 5 J ft 
3.35 
831 
" El Colorado. " Barrio 
Rosario, San Ger- 
man: 
Section A 
1.31 
832 
Section B 
1.17 
833 
Section C 
.04 
.95 
5.10 
834 
Section D 
841 
"El Convento," Barrio 
El Cedro, Pefluelas: 
Section A 
.05 
.07 
.01 
.03 
.02 
.04 
3.40 
2.20 
1.30 
1.06 
1.03 
1.18 
.29 
4.44 
3.08 
3. 11 
3.00 
4.02 
2.48 
18.66 
842 
843 
Section B 
Do 
15.03 
8.57 
844 
Do 
3 in. to3£ft. 
7 57 
845 
Do 
3 in. to 5 \ ft . 
8 68 
846 
Do 
Mixture of 843, 844, 
and 845. 
9.10 
