id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
31089	Kelson, Keith R.	The Subspecies of the Mexican Red-Bellied Squirrel, Sciurus aureogaster			.txt	text/plain	1907	201	63	cit._:43 and 44) to differ from _S. a. aureogaster_ in darker color, thinner pelage, much stiffer and more shining dorsal hairs, slenderer tail with black predominating, larger and proportionately narrower skull with larger auditory bullae, each bulla being slightly constricted just in front of middle. NW Piedras Negras in Veracruz, although obtained from localities well within the geographic range of _S. a. aureogaster_	cache/31089.txt	txt/31089.txt
