362 



ARON AND HOCSON. 



Table I. — Composition of various classes of rice milled in different ways. 



Num- 













ber of 

 sam- 



Variety of rice. 



Appearance. 



P'iOr,. 



Nitrogen. 



HoO. 



ple. 



















Per cent. 



Per cent. 



Per cent. 



1 



Liverpool - _ _._ 



Very white 



0.15 



1 07 



11 67 



'2 

 3 



Valenciana 



do 



0.20 

 f 0.28 







Metabolism experiment, 





1.29 



11.75 





May, 1910. 











4 



5 

 6 



Metabolism experiment, 



January, 1910. 

 Laguna, la Blanco 



Pure white. 



Trade-mark "la, Blanco." 



0.28 



0.31 

 0.82 



1.32 







Ilocano "Sup. Blanco" 



1.20 





7 



8 



9 



10 



Metabolism experiment. 4 fl _ 



Culion, December, 1908 



Manila Market. 



White 



0.32 



0.32 



\ 0.33 



( 0.33 



1.06 











Metabolism e.xperiment, 

 January, 1910. 



1.48 







11 



Macan machinery rice 





0.34 







Vi 



Metabolism experiment, 5. . 



Quite white slightly yellow- 



0.37 



1.23 









ish. 









13 



Bombay _ 



Brownish, pericarp incom- 



0.41 



L25 



11.97 







pletely removed. 









14 



Cape Engano 



Slightly brownish, pericarp 

 partly removed. 



0.43 

















15 



Tagalog D 



Slightly brownish, pericarp 

 partly removed. 



0.45' 



1.42 















16 



17 

 IH 

 19 



Calcutta- 



Brownish, pericarp incom- 

 pletely removed. 



[ 0.45 



1 0.46 



1 0.46 



0.52 



1.24 



11.63 



Culion, January, 1910 



Macftn, Native Mill . 







Siam, Asylum 







20 



Tagalog C - 





0.53 



1.43 





21 



Laguna, slightly milled 





0.56 







?" 



Metabolism experiment, 



Browni.sh, greater part of 

 pericarp not removed. 



0.57 



1.19 







January, 1910. 









23 

 24 



25 

 26 



Tonkin 





0.58 

 0.58 

 0.60 

 0.73 







Ilocano 4 







Culion, October, 1910 



1.19 

 1.54 





Tagalog Pinawa 





27 

 28 



Ilocano Pinawa 



Husked only and cleaned 

 of husk by air blast. 



0.75 

 0.77 



1.27 

 1.29 





Pinawa, Metabolism experi- 

 ment, 3. 







Tablb II. — Descriptions of rice samples. 



Sample I 

 number, j 



Treatment. 



Iloca- 

 no 

 rice. 



Tagai 



og 



rice. 



Husked only, "Pinawa" 



Larger distance between cones than is 



usual: undermined 



Superior Blanco; overmilled 



Husked only, "Pinawa" 



One polisher, one cone, regular distance; 



Ila Blanco 



Two polishers, two cones regular distance, 



grains partially broken 



Phospho- 

 ric acid 

 anhy- 

 dride. 



Per cent. 



0.77 



0.58 

 0.32 

 0.73 



0.53 



0.44 



Protein 

 (nitrogen 



X 66.25 

 percent.) 



7.94 



7.50 

 9.63 



8.96 



8.90 



Weight 

 in 1.000 

 grams. 



23. 69 



22.55 

 20. 62 



Removed 



by mill 



ing. 



Per cent. 



4.8 

 13.4 



