Scd 



, 



"2'd 



Tens 



FIG. 58. HEART OF A. Lucius. (Dorsal View.) 

 (From Bronn, after Fritsch.) 



Ao, d, Ao, s, right and left aorta;; At, d, At, s, right and left atria; An, d, 

 Au, s, right and left auricles; Ca, pr, primary carotid; P, d, P, s, right 

 and left pulmonary arteries; Sc, d, Sc, s, right and left subclavians; 

 Sv, sinus venosus; V, cc, coronary vein; T, c, d, V, c, i, right precava, 

 and inferior cava; Tew, d. Yen, s, right and left ventricles; I', /;, 

 hepatic vein; 1", p, d, 1", p, s, right and left pulmonary veins. 



