1888.] PUBLIC DOCUMENT — No. 33. 219 



Caribbean Guano (OrchiUa) (10 Analyses). 



South American Bone Ash. 



Per cent. 



Moisture at 100° C, 7.00 



Calcium oxide, 44.89 



Phosphoi'ic acid, 35.89 



Insoluble matter, 4.50 



South Carolina Rock Phosphate (4 Analyses). 



