774 



COM PAKATI VK ANATOMY 



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Dorja.1 interseamtntal 

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G. 

 Fig. 444. 



Comparisons of Circulatory systems. A, a diagram of the vascular system of 

 .Amphioxus, from the right side, a.b.o., Afferent branchial arteries; ar., carotid 

 continuations of the suprabranchial arteries ; cons.s., contractile swellings on the 

 afferent branchial arteries ; d.ao., dorsal aorta ; eff.br. a., efferent branchial arteries ; 

 hep.v., hepatic vein ; int., intestine ; lr., liver ; m.v., "moniliform" vessel from left 

 carotid ; nph.pl., nephridial plexus ; ph., pharynx ; s.i.v., subintestinal vein ; sbr.a., 

 suprabranchial arteries ; tr.v., transverse vessel joining the carotids ; v.ao., ventral 

 aorta ; v.cr., vessels of cirri ; v.sy., vessels of synapticulse ; v.t.b., vessels of tongue- 

 bars. 



B, A diagram of the arterial system of a dogfish, seen from the right side. 

 a.b.a., Afferent branchial arteries ; a.mes., anterior mesenteric artery ; c.c., common 

 carotid artery ; cd., caudal artery ; coel.a., coeliac artery ; d.ao., dorsal aorta ; e.b.a., 

 efferent branchial arteries ; e.c., external carotid artery ; epibr., epibranchial 

 arteries; ht, heart; hep., hepatic artery; hy.a., hyoidean artery (this joins the 

 internal carotid of the opposite side, which is not shown) ; i.e., internal carotid 

 artery ; il.a., iliac artery ; In.g., lienogastric artery ; p.c., posterior carotid artery ; 

 p.mes., posterior mesenteric artery ; ren., renal arteries ; scl.a., subclavian artery ; 

 v.ao., ventral aorta. (From Borradaile.) 



C and D, Comparison of the venous systems of the dogfish and a teleost. anas, 

 anastomosis between the two posterior cardinals ; ao.v., ventral aorta ; atr, atrium ; 

 brack, brachial vein ; card.ant. and card.post., anterior and posterior cardinals ; 

 caud, caudal vein ; cl, cloacal vein ; con.art., conus arteriorsus ; duct.cuv., duct of 

 Cuvier ; hep, hepatic vein ; hy, hyoid vein ; il, iliac vein ; jug.inf., inferior jugular 

 vein ; lat, lateral vein ; leb., liver ; mand., manibular vein ; n., kidney ; port., hepatic 

 portal vein ; port.ren., renal portal vein ; segm., segmental veins ; s.int., subin- 

 testinal vein ; sin.hy., hyoid sinus ; into which the veins from the mandibular and 

 hyoid arches open ; sin.orb., orbital sinus ; sin.ven., sinus venosus ; sperm, spermatic 

 vein ; subsc., subscapularis vein ; subcl., subclavian vein ; schw.bl., veins of the 

 swim-bladder; ventr., ventricle. (Both figures from Boulenger, A after Parker.) 



D, A diagram of the venous system of the dogfish, a.c.s., Anterior cardinal 

 sinus ; c.v., caudal vein ; d.C., ductus Cuvieri ; h.p.v., hepatic portal vein ; h.8., 

 hepatic sinus ; hy.s., hyoidean sinus ; i.j.8., inferior jugular sinus ; i.o.s., interorbital 

 sinus ; U.S., iliac sinus ; int., intestine ; k., kidney ; lat.s., lateral sinus ; lr., liver ; 

 n.8., nasal sinus ; or.s., orbital sinus ; p.c.s., posterior cardinal sinus ; r.p.v., renal 

 portal vein; s.v., sinus venosus; scl.8., subclavian sinus. (From Borradaile.) 



E, A diagram of the principal arteries and veins of a pigeon, ao., Aortic 

 arch ; Br.a., brachial artery ; Br.v., brachial vein ; C., carotid artery ; c.m., 

 coccygeo-mesenteric vein ; d.a., dorsal aorta ; F., femoral vein adjoining femoral 

 artery ; h.v., hepatic veins ; il., internal iliac artery and vein ; i.v.c., inferior vena 

 cava ; }., jugular vein ; l.a., left auricle ; P., right pulmonary artery ; Pc.a., pectoral 

 artery ; Pc.v., pectoral vein ; ra., right auricle ; rp., hypogastric vein ; rv., renal 

 vein ; sc., sciatic artery and vein. Near the apex of the ventricle the coeliac and 

 anterior mesenteric arteries and the epigastric vein are shown, but not lettered. At 

 the hinder end of the figure the caudal and posterior mesenteric vessels are shown, 

 but not lettered. 



F, The circulatory system of the rabbit, (a) Letters to right e.c., External 

 carotid ; i.c., internal carotid ; e.j., external jugular ; scl.d., subclavian artery ; 

 scl.v., subclavian vein; p.a., pulmonary artery (cut short) ; p.v., pulmonary vein; 

 L.A., left auricle; L.V., left ventricle; d.ao., dorsal aorta; h.v., hepatic veins; 

 c, coeliac artery ; a.m., anterior mesenteric ; s.r.b., suprarenal body ; l.r.a., left 

 renal artery ; l.r.v., left renal vein ; K, kidney ; p.m., posterior mesenteric artery 



(incorrectly shown as if paired); spm., spermatic arteries and veins; c.il.a., 

 common iliac artery. (6) Letters to left p.f. and a./., posterior and anterior 

 facial ; e.j., external jugular vein ; i.j., internal jugular ; R.Scl., right subclavian 

 artery; S.V.C., superior vena cava; R.A., right auricle; R.V., right ventricle; 

 I.V.C., inferior vena cava ; r.r.a., right renal artery ; r.r.v., right renal vein ; 

 s.r.b., suprarenal body ; spm., spermatic arteries and veins ; il., ilio-lumbar vein ; 

 f.v., femoral or external iliac vein; i.il.v., internal iliac veins. (From Thomson.) 



G, Diagram of intercostal (intersegmental) arteries. 



