NO. 9 MUSCULATURE OF THE BLUE CRAB COCHRAN 



51 



Fig. 17. — Dorsal view of thorax with carapace removed to show internal 



skeletal parts. 



I -VI II, first through eighth somites of thorax. 



I 11 III IV V VI VII VIII 



Fig. 18. — Lateral section of thorax showing internal skeletal parts. 

 I-VIII , first through eighth somites of thorax. 



