THE PAPER-SHELL AND 
OTHER WALNUTS 
THE METHOD USED To Propuce THEM 
HE fact that more than 13,000 tons of wal- 
nuts are now raised annually in California, 
chiefly for shipment to the Eastern mar- 
kets, as against 2300 tons raised in the year 1895, 
suggests, better than any amount of commentary, 
the growth of this new industry. 
Part, at least, of the increased popularity of the 
walnut may be ascribed to the introduction of 
varieties having thin shells. All Persian, or so- 
called English, walnuts have relatively thin shells 
as compared with the American walnuts, but the 
production of the “paper-shell” varieties puts these 
nuts in a class quite by themselves. 
And this matter of the shell is one of real sig- 
nificance from the standpoint of the consumer. A 
nut like the American walnut, which can be 
cracked with difficulty, requiring the use of a ham- 
mer, can never gain great popularity. The diffi- 
[VoLumE XI—Cnapter IT] 
