62 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



/eft 

 circumoesopbag-ea/ 

 connect/ ye 



oesophagus 



m andibu/ar 

 abducfor 

 musc/e 



a'orso- ventrai 

 mandibular 

 tensor 

 musc/e «. 



/ / / / 



/ / / / 



anterior f ' I 



mand/bu/ar '// 

 adductor 

 musc/es ' 



tr/'/ocerebr-a/ 



co/vmissure 



/ mandibu/ar 

 abductor 

 musc/e 



centra/ 

 bead 

 //gamen/s 



^anterior 



fascia 

 (endostemife) 



apodeme of 

 posterior' 

 mandibu/ar 

 adductor 

 musc/e 



carapace 

 adducfor- 



musc/e 



poster/or 



mandibu/ar \ 



adductor \ 



mo/sc/e 



scaphognatbife 

 resp/ratoru 

 musc/es 



Figure 38. — Dorsal view of mandibular musculature, dorsal-most muscles removed. 



