THE l.YI IX XORMAL AND " EYELESS " DROSOPHILA. 249 



Fig. 6 



Fig. T 



Fig. 8 



FIGS. 6-9. Diagram o -s sections. !'[.. '. iinnnal; 1- 1 th eyes 



reduced; FIG. 8. Irft > r.-'lm- >!. ri>;ht wanting; l-'u.. cj, totally . 



i. inner iMiiiJh.n- j, tni.liili- .uanijlion: 3, outer Kan^liim; 4, brain; 5. innma- 

 tidia; 6, facet-. 



