COLLEGE ZOOLOGY 



1.C 



FIG. 475. --The hean 

 and chief blood-vessels of 

 the pigeon, ventral as- 

 pect, a. ao, aortic arch; 

 a.m.a, anterior mesenteric 

 artery; a.r.v, afferent 

 renal veins; a.r.v', vein 

 bringing blood from pelvis 

 into renal portal system; 

 br.a, brachial artery; 

 br. V, brachial vein; c, cau- 

 dal artery and vein ; 

 c.c, common carotid 

 artery ; c.m.v, coc- 

 cygeo-mesenteric vein ; 

 cos. a, cceliac artery ; 

 d.ao, dorsal aorta; ex, 

 external carotid artery ; 

 epg, epigastric vein; 

 e.r.v, efferent renal vein; 

 f.a, femoral artery; 

 /.?, femoral vein; h.v, he- 

 patic vein; i.c, internal 

 carotid artery; i.il, in- 

 ternal iliac artery and 

 vein; i.m, internal mam- 

 mary artery and vein ; 

 in. a, innominate artery; 

 z.i', iliac vein; ju, jugular 

 vein; ju', anastomosis of 

 jugular veins; l.au, left 

 auricle; l.p.a, left pul- 

 monary artery; l.pre, left 

 precaval vein; l.vn, left 

 ventricle; pc, left pectoral 

 arteries and veins; 

 pc. a, right pectoral ar- 

 tery; PCM, right pectoral 

 vein; p.m. a, posterior 

 mesenteric artery; 

 pic, postcaval vein; ra.i, 

 ra.2, ra.3, renal arteries; 

 r.au, right auricle ; 

 r.p.v, renal portal vein ; 

 r.p.a, right pulmonary 

 artery; r.pr.v, right pre- 

 caval. vein; r.v, renal 

 vein; t.vn, right ven- 

 tricle ; sc.a, sciatic ar- 

 tery ; sc.v, sciatic vein ; 

 scl.a, subclavian artery; 

 vr, vertebral artery and 

 vein. (From Parker and 

 Haswell, after Parker.) 



