. The effect of age on habit formation in the albino rat ... Animal behavior; Rats. UNIT =» 10 11575 200 SOO 400 500—600 700 TOTAL TIME (SECONDS) 800 900 IQOO 1100 1^0 35 0 i 4 UNIT = 100. 100 200 300 400 500 600 700 TOTAL DISTANCE (CENTIUSTSRS) 300 930 1000 1100 1200. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hubbert, Helen Brewster, 1887-. Baltimore, Md.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanimalbehavior, booky