148 



MAINE AGRICULTURAL EXPERIMENT STATION. 



seen that the starch as determined, as given in the table on page- 

 147, exceeds in several instances, the combined carbohydrates 

 and fat, as given on page 149. These discrepancies are due to 

 the fact that the anal}i:ical methods have in several cases given 

 too high results, carrvang the total above 100 per cent, while 

 in the second table, the carbohydrates and fat are calculated by 

 difference. The average of 136 analyses, as compiled in Bulletin 

 28 of the Office of Experiment Stations of the United States 

 Department of Agriculture, is added for comparison : 



ANALYSES OF POTATOEIS. 

 REStTLTS CALCTItATED TO WATEK-FKEE BASIS. 













^ 





>-. 









e3 





. 









•r — 















Variety. 



11 





"S 



■~ 



S 7j 





■5 E 



X 



2 



:X 



S'S 





^ - 



< 



•^ 



bt 



0° 



Hebron 



Hebron 



Average 



White Elephant 



White Elephant 



White Elephant 



White Elephant 



White Elephant 



White Elephant 



White Elephant 



White Elephant 



Average 



Delavrare 



Delaware 



Delaware 



Dela-ware . 



Average 



Carmen 



Carmen 



Average 



Average of 136 samples* 



30ofi 

 3037 



3038 

 3039 

 3044 

 3045 

 3046 

 3047 

 3030 

 3051 



304CI 

 3041 

 3052 

 3053 



3054 

 3055 



% 

 3.75 



3.57 



3.66 



4.27 



3.77 



4.33 



3.35 



3.98 



3.90 



4.26 



4.48 



4.04 



4.21 



4.07 



3.91 



4.07 



4.06 



3.89 



3.24 



3.57 



4.61 



% 

 10.45 



9.42 



9.94 



9.44 



10.01 



10.58 

 8.35 

 9.33 

 9.13 

 7-41 

 8.00 

 9.06 

 S.59 

 9.49 

 9.51 



11.45 

 9.76 

 8.91 



10.16 

 9.53 



10.14 



4.44 

 3.29 

 3. 86 

 3.62 

 3.90 

 3.01 

 3.46 

 2.32 

 2.79 

 2.29 

 2.88 

 2.91 

 2.54 

 2.65 

 2.27 

 2.73 

 2.55 

 2.85 

 2.52 

 2.69 

 1.84 



81.3S: 

 83.72- 

 82.54- 

 82.67 

 82.32 

 82.08 

 85.64- 

 84.37 

 84.18- 

 86.04 

 84.64. 

 83.99- 

 84.66 

 83.79- 

 84.31 

 81.75- 

 83.63^ 

 84. 3& 

 84.08 

 84.21 

 83.41 



* Bulletin 2S of the Office of Experiment Stations 



