ClipArt ETC
"Diagram of the heart, the branchial arches, and the principal veins in the Teleosts. Ventral view. The heart is represented without the sigmoid flexure; that is, with the auricle posterior. a, aorta; au., auricle; br.a., branchial arches of the aorta (1-4, numbering from the front); c, carotid; c.v., cardinal veins (right and left); d.a., dorsal arteries; j, jugular veins; d.c., ductus Cuvieri; s.v., sinus venosus; v, ventricle. Only four arterial arches are shown." -Galloway, 1915

Teleost Heart

"Diagram of the heart, the branchial arches, and the principal veins in the Teleosts. Ventral view.…