mammal's heart 



805 



L.C L.SCL 



L.RA. 



R.P.V 



p.n 



w.v 



Fig. 486.-Structure of mammalian heart.— From a bpccimen. 

 The arrows^ow the flow ^J^?:^._f^'^!^^^.i:K;i^S^ 



auricle, opening }^^'^f% Y/ 'rpv ikt puhnouary veins into left 

 left auricle opening at L^- , LJ^-^' '%^^'"i,,^Jary artery from 

 auricle, opening marked ^^f - ^^^j^^;;!" v'gtery "roni right ventricle; 

 7v Ii;^hu ar vtwes^at odgEiortS: p'uhnonLy arch from the right 



^c5?:r^(^ rigk ca^tia^ 



SlTwtn ifghf •iuric'?e^ancf rSft venl-icle ; /f., the cut muscular wall 

 of the left ventricle. 



