. The Journal of experimental zoology. B Fig. 10 Diagrams illustrating process of orientation in specimens with lefteye removed, when illuminated laterally from the left, , the blind side. Thearrows indicate the direction of the rays of light. A, orientation by means ofwandering reflex; 1,2,3, and 4, successive positions of animal; 1, 2, 3, 4, 5, and6, successive positions of the animal if it is moving rapidly; B, orientation bymeans of twisting reflex; 1 to 4, successive positions of specimen. Insert C rep-resents a diagrammatic cross-section of specimen in B through the plane a-h; R,posi
. The Journal of experimental zoology. B Fig. 10 Diagrams illustrating process of orientation in specimens with lefteye removed, when illuminated laterally from the left, , the blind side. Thearrows indicate the direction of the rays of light. A, orientation by means ofwandering reflex; 1,2,3, and 4, successive positions of animal; 1, 2, 3, 4, 5, and6, successive positions of the animal if it is moving rapidly; B, orientation bymeans of twisting reflex; 1 to 4, successive positions of specimen. Insert C rep-resents a diagrammatic cross-section of specimen in B through the plane a-h; R,position of rhabdomes which are illuminated in such reactions. THE JOURNAL OF EXPERIMENTAL ZOOLOGY, VOL. 31, NO. 1 92 W. H. TALIAFERRO is illuminated from the blind side, is by means of the twistingreflex. When an animal, moving at right angles to the directionof the rays of light, gives the twisting reflex it very often bendsthe side containing the remaining eye so far toward the lightthat the rhabdomes lying along the ventral surface of
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1920
