CA TERP7LLARS. 1 2 I 
happiness is reached when the whole soul of a man is 
focussed on one point. What the point is matters little 
or nothing. I am speaking of a man’s own happiness. 
To have your soul focussed on one point does not generally 
contribute to the happiness of your neighbour. It is 
because the whole powers of a gimlet are concentrated on 
one point that it bores so well, and a man under the same 
conditions bores too. This is not a pun, but a glance at 
the philosophy of human speech. You will gather that 1 
do not altogether recommend the use of any subject as a 
burning glass to bring all the rays of mind and heart to 
one point. At the same time I am certain that there are 
few things in our mental constitution better worth the 
trouble of keeping alive than that same faculty of taking 
an interest. But it will not live without food, and that is 
why I recommend the rearing of caterpillars as a whole- 
some and palatable form of nourishment. As a pastime 
it combines the domestic amusement of keeping pets with 
the outdoor exercise of finding them. And it is good for 
the entire man. It conduces to bring about and then to 
maintain the mens sana in corpore sano. 
To be a successful caterpillar hunter you must have 
good wind, serviceable legs, educated eyes, and more than 
