12 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



compound eye 



opr/c aano//on 



e(/es/a//\ 

 &6duc/or 

 musc/e. 



dorsa/ ca/a/nus 

 re/rac/qr 

 musc/e^ 



ca/a/hus 

 r of a/or 

 musc/e.^___ 



/afera/ ca/a/fius 

 re/rac/or 

 musc/e. 



ca/a/hus 

 rofa/or 

 musc/e 



/ned/a/ ca/a/hus 

 re/racfor 

 musc/es 



bas a/ seamen/ 

 ro/a/or 

 m usc/e^ 



eyes/a/A 

 depressor . 



6as a/ se<?/r?en/ 

 /eva/or 

 musc/e^' 



ex/erna/ har or 

 anfennu/ar ^ 

 foramen^''' 



ep/s/oma/ 

 j/a/or 

 musc/e^ 



oesophaaect/ 

 musc/e 



r ^op//c /rc7c/ 



oculomotor 

 artery 



pro/ocepha/on 

 a//rac/or musc/e 



pos/er/or 



p ro/o c epna/on 



/eva/or musc/es 



o cu/ar p/a /<? 

 depressor 

 musc/e 



". 



Figure 6. — Dorsal view of left eyestalk. Dorsal cuticle and carapace removed to show muscles. 



