. A text-book of animal physiology [microform] : with introductory chapters on general biology and a full treatment of reproduction, for students of human and comparative (veterinary) medicine and of general biology. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. 566 ANIMAL PHTSIOLOOT. the very few words to which the eyes are then specially di- rected that are seen clearly, the rest of the page appearing blurred; and the same holds for the objects in any small room. We speak of picking out an acquaintance in an audience or crowd, which implies th
. A text-book of animal physiology [microform] : with introductory chapters on general biology and a full treatment of reproduction, for students of human and comparative (veterinary) medicine and of general biology. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. 566 ANIMAL PHTSIOLOOT. the very few words to which the eyes are then specially di- rected that are seen clearly, the rest of the page appearing blurred; and the same holds for the objects in any small room. We speak of picking out an acquaintance in an audience or crowd, which implies that each of the individuals composing the throng is not distinctly seen at the same time. 2. If an ob- server hold up a finger before his eyes, and direct his gaze into the distance (relax his accommodation), presently he will be- hold a second shadowy finger beside the real one—i. e., he sees double: his eyes, being accommodated for the distant objects, can not adapt themselves at the same time for near ones. 3. The principle involved may be most precisely illustrated by Schein- ! -A Ito. 4n.—Dtasnunto oate tha oimmmiUuMea. SdMiner'a , wlilobthera It (after LMidois). The dotted linep indi- double 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 Mills, Wesley, 1847-1915. New York : D. Appleton; London : Caxton House
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Keywords: ., bookauthormillswes, bookcentury1800, bookdecade1880, bookyear1889
