388 



Mr. E. N. Horsford on the Value 



Carbon . . , 

 Hydrogen 

 Nitrogen 

 Ashes • . 

 Water 



I. II. 



45-15 45-55 



6-71 6-79 



4-77 



2-60 



13-01 13-01 



Estimated in 100 parts, the above determinations give the 



following numbers : — ■ 



rNitrogen . . 



XT . I Carbon . . 



Nitrogenous ^ Hydrogen 



Oxygen . . 



.Sulphur . . 



XT . f Carbon . . 



JN on -nitrogenous J u i 



,. * «< Hydrogen 



l_ Oxygen .. 



Ashes 



ingredients. 



ingredients. 



.111 





S- = 30-46 



= 65-06 



= 2-60 

 98-12 

 According to Dumas' and Cahours' analysis of legumine, 

 the estimate gave 101*34. 



White Potatoes (Solanum tuberosum )from Giessen. 



I. 1-1455 gr. lost at 100° C. 0-8586 gr. 



II. 3-2201 grs. substance dried at 100° C. gave 0*1163 gr. 

 ashes. 



III. 0-5814 gr. gave 0*9351 gr. CO 2 and 0*3139 gr. HO. 



IV. 1*1530 gr. gave 0*2843 gr. ammonio-chloride of plati- 

 num. 



These, expressed in 100 parts, give — 



Carbon... 43*86 



Hydrogen 6*06 



Nitrogen 1-56 



Ashes ... 3-61 



Water ... 74-95 ' m 



Estimated in 100 parts, the above determinations give the 



following numbers : — 



fNitrogen . 



vTi. I Carbon . 



Nitrogenous^ H d 



ingredients. , Q ' yge * J 

 •-Sulphur . 



Non-nitrogenous J Hyd ' 



ingredient 



f Carbon 



[Oxy 



o-en 



Ashes 



86-36 



99-93 



