VASCULAR SYSTEM, 669 
Fic. 371.—Heart and venous system of pigeon. 
&.A.,Right auricle ; 2. ., right ventricle ; Z.V.,left ventricle ; Z.A., 
left auricle; P.., pulmonary veins ; P.A., pulmonary arteries ; 
J., jugular; Bv., brachial; P., pectoral; H.V., hepatic; £.2., 
epigastric; /.V.C., inferior vena cava; C.//., coccygeo-mesen- 
teric; /.V., iliac; #., femoral; &., renal; Sc., sciatic; Hy., 
hypogastric or ‘‘ renal-portal ” ; z.2/., internal iliac; C., caudal. 
