ANALYSES OF MAIZE. 197 



affected by the time occupied in washing. It shows, however, that the cob is not by any 

 means destitute of value ; and that the practice of many farmers, of grinding the cob with 

 the corn for feeding stock, is the most economical way of disposing of it. There is still 

 another reason for the practice, namely, to increase the bulk of the food; for it is unsafe 

 to feed concentrated nourishment to herbivorous animals. They require a bulky food, 

 for the purpose of effecting a moderate distension of the alimentary canal ; and hence if 

 the cob was less nutritive than is here represented, it would still be the proper plan to be 

 pursued in feeding cattle or horses, though not so necessary to the latter as to the former. 

 It will be observed particularly that the nitrogenous compounds amount to 2-58, and 

 the gum, sugar, extract and oil, to 9'46; and if the 86 per centum of insoluble matter 

 had been subjected to the action of fluids equal in solvent power to the gastric juice, this 

 would still have been diminished some four or five per centum. 



12. Analysis of the leaves of Pennsylvania Dent corn. 



Silica -------- 



Phosphates ------- 



Lime -------- 



Magnesia 



Potash ....... 



Soda 



Sulphuric acid --.._. 

 Chlorine ....... 



19-852 99-660 



13. Analysis of the stalk of a variety mixed with the Tuscarora, White-flint and Sweet corn: 

 cut August 11. 



Slight effervescence of the ash with acids*. 



' Percentage without organic 

 matter and carbonic acid. 



Silica 2-325 12-398 



Phosphates of lime, magnesia and iron - 3-260 17-386 



Carbonate of lime 1*250 6-663 



Magnesia 0-025 0-131 



Potash 8-615 45-949 



Soda 0-916 4-882 



Sulphuric acid 0-561 2-989 



Chlorine 1-800 9-596 



Organic matter and carbonic acid - - 1-020 





Per centum. 



9-900 



49-500 



3-300 



16-500 



1-297 



6-485 



0-360 



1-800 



3-360 



16-800 



0-350 



1-750 



0-822 



4-510 



0-463 



2-315 



19-772 99-994 



* This variety, before ripening, was supposed to be the Pennsylvania Dent. It has the red cob of the Tuscarora, and 

 about i of the kernels were of this kind. 



