"Heart and arterial system of pigeon. R.A., right auricle; R.V., right ventricle; L.V., left ventricle; L.A., left auricle; P.V., pulmonary veins; P., pectoral artery; Br., brachial artery; C., carotid artery; D.A., dorsal aorta; CL., coeliac; A.M., anterior mesenteric; R., renals; F., femoral; Sc., sciatic; IL., iliac; p.m., posterior mesenteric; C., caudal." -Thomson, 1916

Pigeon Arterial System

"Heart and arterial system of pigeon. R.A., right auricle; R.V., right ventricle; L.V., left ventricle;…

"Heart and venous system of pigeon. R.A., Right auricle; R.V., right ventricle; L.V., left ventricle; L.A., left auricle; P.V., pulmonary veins; P.A., pulmonary arteries; J., jugular; Br., brachial; P., pectoral; H.V., hepatic; E.P., epigastric; I.V.C., inferior vena cava; C.M., coccygeo-mesenteric; I.V., iliac; F., femoral; R., renal; Sc., sciatic; Hyp., hypogastric or "renal-portal"; i.il., internal iliac; C., caudal." -Thomson, 1916

Pigeon Venous System

"Heart and venous system of pigeon. R.A., Right auricle; R.V., right ventricle; L.V., left ventricle;…