39 SCYLLIUM 



6. The efferent branchial vessels, carotid arteries and anterior portion of the dorsal aorta, as seen after 

 cutting through the jaw and branchial arches on one side, turning the floor of the mouth outwards and removing 

 the mucous membrane from the roof of the mouth : efferent branchial vessels ; dorsal aorta ; subclavian artery ; 

 cceliac artery ; common carotid artery ; external carotid ; internal carotid ; gill clefts and gills. 



