Reactions to light in Planaria maculata with special reference to the function and structure of the eyes (1918)
Taliaferro, William Hay, 1895- · Baltimore · leaf 54
e pigment cup at the anterior, lateral, mar-gin of the opening. This was later found of great Impor-tance as any injury to the anterior part of the eye de-stroys the function of the entire organ by destroying -.Ti 1t-<- s-:ai*i ni*i al J;3 3n79 ^t^ Is^ i;> sf ■ ■it ,intcfT ?.•n:^;^:l^ ->fT… … Figure 3.Diagram representiner analogous structures in the retin-ulae of vertebrates and flatworms. A, retinula (rodjof frog (after Kepner and jJoehee 17 from Arey 16);B, retinula of rrorhynohus applanatus (after Kepner andFoshee 17); C, retinula of Planarla aaoulata; Line 1indloates the rhabdomes…