id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
iguana-17711	Barton, A. J.	A Statistical Study of Thamnophis brachystoma (Cope) with Comments on the Kinship of T. butleri (Cope)	2007	2	.pdf	application/pdf	909	35	49	While caution must be exercised in the erection and continued recognition of species, it seem advisable in the absence of concrete contrary evidence to allow the present prac- tice of regarding butleri and brachystoma as distinct species to continue unchanged. From a biological per- spective, genetically unique populations deserve the same consideration by conservationists as recognized species.	cache/iguana-17711.pdf	txt/iguana-17711.txt