402 



ZOOLOGY 



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B'lG. 1044. —Columba livia. The heart and chief blood-vessels, ventral aspect, a. ao. arch of 

 aorta ; a. m. a. anterior mesenteric artci'y ; a. r. v. afferent renal veins ; a. v. v'. vein bringing 

 blood from pelvis into renal portal system; br.a. brachial artery; br.v. brachial vein; 

 (,'. caudal artery and vein ; c. c. common carotid artery ; c. m. v. coccygeo-mcscnteric vein, dis- 

 placed to the riglit ; coi.a. cosUnc artery; c7. ao. dorsal aorta ; e.c. external carotid artery; 

 epg. epigastric vein ; c. r. v. efferent renal vein ; /. a. fcmnral arteiy ; /. v. femoral vein ; h v. 

 hepatic vein ; i. c. interaal carotid artei-y ; i. it. internal iliac artery and vein ; i.m. internal 

 mammary artery and vein ; in. a. innominate artery ; i. v. iliac vein ; ju. jugular vein ; ,?w'. 

 anastomosis 'of jugular veins ; I. au, left auricle; l.p.a.lett pulmonary artery ; ^. ^re. left 

 prc-caval vein ; t. va. left ventricle ; pc. left pectoral arteries and veins ; pc. a. right pectoral 

 artery ; -pc. v. right pectoral vein ; p. vi. a. posterior mesenteric artery ; ptc. post-caval vein ; 

 ra. 1, va. 2, va. 3, renal arteries ; v. au. right auricle ; r.p. renal portal vein, on the left 

 side of the figure, supposed to be dissected so as to show its passage through the right kidney ; 

 v.p. a. right pulmonary artery ; r.pr. v. right pre-caval vein ; r. v. renal vein ; r. vn. right 

 ventricle ; sc. a. scifitic ai-tery ; sc. v. sciatic vein ; scl. a. subclavian artery ; vr. vertebral 

 artery and vein. (From Parker's Zootomy.) 



