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
Figure 10. Diagram repreeentlnp the direotion of the turning whena specimen with left eye removed is illuminated fromdifferent directions. A, dorsal view of speoimen il-luminated from different points in the frontal plane;B, speoimen illuminated from different points in thetrans-verse, vertical…