Reactions to light in Planaria maculata with special reference to the function and structure of the eyes (1918)
Taliaferro, William Hay, 1895- · Baltimore · leaf 94
0;;-- •:,; o.t;:.r Snacf fi^hsj? .;T7 itAf-s . 41. C\ \ \ \ \ V/A … Figure 7.Gaznera luolda tracing: of the path in a horizontal beamof light of a specimen with both eyes removed. Arrowsa and b indicate the direction of the rays of lisrht.O-i, path of animal. »hen the animal reached the pointP light a was turned off and lis-ht b turned on. Atpoints 1 and 2 the…
