HARDENING AND ADAPTATION 
ing of the number of genuses and species, but 
in the analogous method to which he submits 
all of them. And so this method is by him 
carried to the highest degree of perfection, 
while at the same time the results are so im- 
mense that they receive the admiration of the 
whole world. His pears and apples, adapted 
for canning and drying, have a quality and a 
productiveness such that, in spite of the cost 
of preparation and the expense of transporta- 
tion, they are competing with splendid success 
in Europe with the kinds there cultivated and 
are a source of revenue for large stretches of 
country, which they carry up to a hitherto 
unknown state of prosperity. The production 
of such varieties, therefore, has the greatest 
direct influence upon the growth and progress 
of agriculture and horticulture. It promises 
work for thousands of people and to the most 
enterprising amongst them it gives a chance 
for the rapid acquisition of wealth.” 
This appreciation on the part of one of the 
foremost scientific men in the world is in 
direct line with the appreciation which Mr. 
Burbank receives in letters from practical 
fruit-growers from all over the world. 
203 
