id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
chapter_006		chapter_006			.txt	text/plain	11201	270	41	Natural selection will never produce in a being anything injurious to itself, for natural selection acts solely by and for the good of each. But natural selection can and does often produce structures for the direct injury of other species, as we see in the fang of the adder, and in the ovipositor of the ichneumon, by which its eggs are {201} deposited in the living bodies of other insects.	cache/chapter_006.txt	txt/chapter_006.txt
