Reactions to light in Planaria maculata with special reference to the function and structure of the eyes (1918)
Taliaferro, William Hay, 1895- · Baltimore · leaf 150
e posterior region of the eye-cup should cause the animal to lose this reaction whenilluminated from directly in front. It was found that if an animal, with the lefteye and the posterior half of the right eye removed, isIlluminated with a horizontal beam coming directly infront several reactions… … jjigure 13.Diagram representing reactions of a specimen possessingonly the anterior half of ripht eye, to a horizontalbeam of light coming from directly in front, itirrows,team of light; a, portion of eye removed; b, portion ofeye remaining. If specimen turns to the left et A andassumes position b…
