353 



t/ — S c.c. Methylbutyrate ; x = c.c. Water ; z = c.c. Alcohol. 

 Formula a; (;/ - 0.012)0-52 / 2IJ2 = C; log (7 = 1. 



?/ =: 3 c.c Ethylbutyrate ; a: = c.c Water ; z = c.c. Alcohol. 

 Formula {x - 0.005y) {y - 0.008 a: )0*i / z^*^ -C; log C = 1.785. 



54 .... 00 T.786 



VOL. XXX. (n. S. XXII.) 23 



