THE 
AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[THIRD SERIES] 
Art. XVIIL—On some Phenomena of Binocular Vision ; by 
JosePH LEContx, Professor of Geol. and Nat. Hist., Uni- 
versity of California.* 
VIL. Position of the eyes in sleepiness. 
* For preceding articles on this subject, see this Jour., Ser. II, vol. xlvii, pp. 68 
and 153 ; and Ser. III, vol. i, p. 33, vol. ii, p. 1, vol. ii, pp. 315 and 417. 
iiller’s Physiology, Baly’s Translation, Am. ed., p. 810. 
Jour. Scr.—Tutrp Series, Vou. IX, No. 51 —Marcu, 1875. 
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