Daly bab stated. It would consequently appent, that 40 per cent. of 
juice i is actually lost in the ‘practice of ou t India workings ; and 
RP Sak thling ground ot whereas the West “India cane col | is repre- 
sen 
of very inferior construction. e cane, however, is. passed between 
oppe rollers of the mill four times, until the reftise or’ megass, as the 
‘many cases by hydrostatic force. By the latter method, I have seen 13 
410 Proceedings of the British Association 
WwW arises, as a most important “ebkeideentioi “be question as to what 
. this loss | is Travia and to what extent it. might have been ob- 
ange by altered machinery ‘or improved manipulation. Instead of 50 
ent. of j ae extracted, '70 ‘percent. is much nearer the average 
aan yielded by the suga arémills of this coast, although occasionally 
the result is as high as 75 per cent., and this, in some cases, with mills 
ssed cane is called, has been reduced to a state of disaggregation 
Sieralion of pressing, sometimes by the agency oft a . screw, but in 
per cent. of juice e extradt from megass which had already yielded up 
73 per cent. of juice to ‘mill, thus ete the total quantity extent 
per cent. out of te original 90, an sseapasent as a manu 
— operation leavir very little more to be desire eats hydrostatic 
ora 
contents caf which are finally exposed to the operation of claying. 
one manufactory, however, witnessed by me at Almunecar, lime is no 
longer used on account of its well-known i injurious effects on sugar :— 
no oie agent having been substituted in its stead, but sole reliance 
bei aced on the pip ryt by heat of albuminows matters —. 
lized Ger de ocaling the other 60 per cent. sibs in the sonaee 
: ‘0 
operat is Montril, about forty-five miles saath 2 G ae 
mangetboiory furnished with apparatus of the rudest charelae: "Up © 
