Fig. 1 . Conger marginatus, ventral gill arch muscles of left side, ventral view, showing roots of afferent 
branchial arteries. A3, Adductor 5; AT, transversus anterior; 01—3 , obliqui 1-3; PC, pharyngo-clavicularis ; 
PT, transversus posterior; R4, rectus 4; RC, rectus communis; S, sphincter oesophagi ; VR, retractor ventralis. 
