36 BULLETIN 466, U. S. DEPARTMENT OF AGRICULTURE. 
From this it is seen that the figures for the Beauce district are a 
little higher than those for the other two districts, the region below 
Montreal giving the lowest figures and that above Montreal the next 
lowest. This is apparently the direct opposite of the tendency of the 
sugar sirup of the United States. 
EFFECT OF ENVIRONMENT ON THE COMPOSITION OF MAPLE SUGAR. 
In the case of sap sirup, there is a relationship between the loca- 
tion of States and the composition of the product. Taking the 
average determinations for the States and localities in some of the 
_ EXPLANATION. 
A= LER CENT TO7AL ASH7. 
44 = PER CENT INSOLUELE ASH. 
£2 WINTON LEAD NOYIBER. 
112 9449LIC ACID VALUE. 
Fig. 1.—Map showing effect of environment on analytical results of maple sugar, Canada. 
States, as one goes north there is a lower figure for total ash, lead 
number, and malic acid value. Tabulating the results of the maple 
sugar work in this way, the same general tendency is noted. 
TABLE XXIII.—Average analyses of samples, by localities. 
| Analyses. 
Determination. | an 
hh Ind. |Ohio.| Md. | Pa. | Mich.) Mass. N.Y.| Vt. |N.H.| Me. ads. 
Sucrose: <5. S. . per cent.| 91.15 loo. 16 |89.98 |95.38 92.92 92.00 '93. 17 |96. 04 (88. 39 89. 54 94.11 | 86.48 
Invert sugar........- o...| 6.27 | 5.64 | 6.52 | 1.89 | 4.92 | 4.63 | 5.44 | 2.33 | 8.37 | 7.71 | 4.06] 8.76 
en 2S Ea i do...| 1.37] 1.08| .95| .91|} .97] .90] .98| .92| .92] .91] .90| 106 
Insoluble ash........ dot.) 253) 2-36.| 30 esos 2s 26 eee - 38 ise 29 45 
Winton lead number...... | 3.99 | 3.04 | 2.74] 2.61 | 2.84 | 2.52 | 2.67 | 2. 42 2.70 | 2.50 | 2.43 | 3.04 
Ross lead number.....-.... 4.49 | 3.73 | 3.29 | 2.99 | 3.34 | 3.33 | 3.35 | 3.05 | 3.39 | 3.50 | 3.40 |.----3 
1.00 92 85] .93 . 83 99 87 .92 .92 82] 1.03 
Malic acid value........... 1.38 | a 
a aE 
