1893.] 



PUBLIC DOCUMENT — No. 33. 



291 



6. ]\IlSCELLANEOr.S ANALYSES. 



Exudation from an Elm Tree. 

 [Sent on from Greenfield, Mass ] 



J., Skin or Husk Covering of the Cojfee-cherri/ ; IT., Parchment 

 Covering of the Coffee-bean. 



[Sent on from Cambridge, Mass ] 



INIoisture at 100° C, 

 Ash, . 



Phosphoric acid, . 

 Potassium oxide, . 

 Nitrogen, 

 Insoluble matter, 



Baking Powder. 



[Sent on from Amherst, Mass.] 



Moisture at 100" C, . 

 Sodium oxide. 

 Calcium oxide, . 

 Aluminium oxide. 

 Total carbonic acid, . 

 Available carbonic acid. 

 Phosphoric acid, 

 Sulphuric acid, , 

 Nitrogen, . 

 Starch, 

 Insoluble matter. 



Per Cent. 



15.20 

 12.56 



6.60 



3.31 

 12.40 

 11.65 

 12.49 

 15.98 



1.13 

 18.30 



0.73 



