THE EYK I\ \<>kMAL AND " EYELESS " DROSOPHILA. 253 



-CRIPTIOX OF FK.rkl-.s 

 All drawing <T are by Esther V. Fun 



ABBREVIATIONS. 



. Ir. 

 I'M :iC. 



df n outer and median 



/ f- 1 



rvc fibers. 



; nnlion. 

 oglion. 



ng in i \ to basement membrane. 



ne. 



nr iiii< .la. 



og- mxlion. 



-umiiKit i'lium. 

 p I 'lie. 



r rrtiu 

 rb rliabdnii 



rl layi-r <>i n-t inul.i- ;ui.i rueres. 



/ cut i 



