id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
flmnh-157	Thompson, Fred	Some Mexican Land Snails of the Family Urocoptidae	1968	63	.pdf	application/pdf	17869	1368	70	Axis narrow, straight, increasing slightly in diameter in lower whorls, about 1/ 12- 1/15 diameter of shell, very narrowly perforate. Axis solid, smooth, very slightly sigmoid; increasing in diameter in lower whorls, about 1 mm wide in last 2 whorls.	cache/flmnh-157.pdf	txt/flmnh-157.txt