C no 3 



The only analyses in which the agricultural che- 

 mist can often wish to occupy himself, are those of 

 substances containing principally starch, sugar, gluten, 

 oils, mucilage, albumen, and tannin. 



The two following statements will afford an idea 

 of the manner in which the results of experiments 

 may be arranged. 



The first is a statement of the composition of 

 ripe peas, deduced from experiments made by Einhof ; 

 the second are of the products afforded by oak bark, 

 deduced from experiments conducted by myself. 



parts. 



3840 parts of ripe peas afford, of starch 1265 

 Fibrous matter analogous to starch, ~| 

 with the coats of the peas j 



A substance analogous to gluten 550 

 Mucilage - - 249 



Saccharine matter - 81 



Albumen 66 



Volatile matter 54O 



Earthy phosphates - 11 



Loss 229 



1000 parts of dry oak bark, from a small tree 

 deprived of epidermis, contain, 



Of woody fibre - 876 



tannin - - 57 



extract ... 31 



mucilage - - 18 



matter rendered insoluble during evapor-1 



ation, probably a mixture of albumen [> 9 

 and extract - - J 



loss, partly saline matter 30 



