. Behavior monographs. Animal behavior. VISUAL PERCEPTION OF THE CHICK 29. &h ® c/ i' nl . r ^-h>i e 0 C/' / Fig. 6 Reprinted irom Behavior Monographs, 1911. vol. 1, no. 2, p. 18. "Perspective of light or 'brightness' apparatus. A, light box; C, D, compartments oi A; B, partition between C and D;E,F, lids of A ; G, H, metal carriages carrying tungsten lamps; // and KL, tracks for G and H; M, N, Starrett steel millimeter tapes; 0, P, apertures covered by Aubert diaphragms; R, Bausch and Lomb cooling cell in light box; d, d', metal straps; y, aluminum plate sliding between d and d';

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. Behavior monographs. Animal behavior. VISUAL PERCEPTION OF THE CHICK 29. &h ® c/ i' nl . r ^-h>i e 0 C/' / Fig. 6 Reprinted irom Behavior Monographs, 1911. vol. 1, no. 2, p. 18. "Perspective of light or 'brightness' apparatus. A, light box; C, D, compartments oi A; B, partition between C and D;E,F, lids of A ; G, H, metal carriages carrying tungsten lamps; // and KL, tracks for G and H; M, N, Starrett steel millimeter tapes; 0, P, apertures covered by Aubert diaphragms; R, Bausch and Lomb cooling cell in light box; d, d', metal straps; y, aluminum plate sliding between d and d'; T, tracks for y; V, stop for y; z, steel plate bolted to wooden end of light box; h, screws attaching d to s; s, s, standard brass stimulus plates; p, brass frame about aperture in y;r, hard rubber ring screwed to ;. 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 Baltimore [etc. ], William & Wilkins Co. [etc. ]

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Keywords: ., bookc, bookcentury1900, bookdecade1910, booksubjectanimalbehavior