VASCULAR SYSTEM. 



645 



Br 



PV 



S.c 



III 



FIG. 321. Heart and venous system of pigeon. 



R.A., Right auricle ; R. V., right ventricle ; L.I 7 ., left ventricle ;L.A., 

 left auricle ; P.V., pulmonary veins ; P. A., pulmonary arteries ; 

 /., jugular ; Br., brachial ; P., pectoral ; H.V., hepatic ; E.P., 

 epigastric; I.V.C., inferior vena cava ; C.JI., coccygeo-mesen- 

 teric ; /. I'., iliac; F., femoral; A 1 ., renal; Sc:, sciatic; Hyp., 

 hypogastric or '' renal-portal " ; /.//., internal iliac ; C., caudal. 



