AF 

 EP0 



Fig. 349. — Arterial system of Acanthms. — After O'l")onoghue. 



PS., Afferent spiracular artery; ACE., external carotid; IN., innominate; E.C; 

 efferent collector loop; G.C., gill-cleft; C, conns arteriosns ; A., auricle., 



