Reactions to light in Planaria maculata with special reference to the function and structure of the eyes (1918)
Taliaferro, William Hay, 1895- · Baltimore · leaf 136
Illuminated from various points in the trans-verse vertical plane of the eye. If the rays of lightIlluminate the animal from a point directly al»ove the eyf,the specimen reacts by turning toward the normal or stim-ulated side (fig. 10, B, b). If the source of lllumina-.tlon is shifted to the left…
