id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
37450	Fitch, Henry S. (Henry Sheldon)	Aspects of Reproduction and Development in the Prairie Vole (Microtus ochrogaster)			.txt	text/plain	13686	1271	78	compared in individual voles that were already of large adult size mound he trapped two adult males, one adult female, and two young; Females found in live-traps with newborn young often Individual voles living under natural conditions were not trapped included instances of females found in traps with young several days average, with greater length, weight and age, females produced Number of Young per Litter Correlated with Age or Size Females found in live-traps with their litters of young less than a Females with newborn litters, when released from live-traps, always Females that gave birth to young in live-traps toward young, but some individuals, kept with females and their In confinement, however, young voles of greater age continued to ratio of females among those voles of small adult size.] Average Growth (in Over-all Length) in Young Voles of females have more young per litter, on the average.	./cache/37450.txt	./txt/37450.txt