14 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



compouno eyi 



x/ 



opt/c a an at/on 



s 



oorja/ 

 cata/nun 



retractor 



'77U3C/e — 



w. 



'n 



'aan ■'. 



/a/era/ ccr/aftic/j 



retractor __- 



ocutomotor 

 ner ves^^ 



externa/ har o/ 

 antennutor 

 foramen 



~^3p oculomotor 

 "■-"^ branches 



venfra/ ca/a/nus 

 retractor 

 musc/e 



D 



ra/n 



N cere bra/ branch 

 of taferaf anterior 

 artery 



' /e// A f 



c/rcumoesopnao ear 



connect ve 



protocephaton a/tractor mu<sete 



taferat anfer/'or 



artery 



Figure 8. — Dorsal view of left eyestalk. Dorsal muscles and optic tract removed to show ventral muscles and branches 



of nerves and arteries. 



