1888.] 



PUBLIC DOCUMENT — No. 33. 



173 



Carib Guano. 



[Sent on from Baltimore, Md. I. Rock ; coarse. II. Fine-ground. III. Soil.] 



The valuation of this material depends in a controlling 

 decree on its mechanical condition. 



Superphosphates. 



[Sent on from Ashby, Mass. I. and II. Dissolved Bone-black. III. and IV. Acid 



Phosphate.] 



These articles are of fair quality. 



