Fic. 58. Heart or A. Lucius. (Dorsal View.) 
(From Bronn, after Fritsch.) 
Ao, d, Ao, s, right and left aorte; Al, d, At, s, right and left atria; Au, 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; 1’, cc, coronary vein; V, c,d, V, c, i, right precava, 
and inferior cava; Ven, d, Ven, s, right and left ventricles; 1’, h 
hepatic vein; 1, p, d, V, p, s, right and left pulmonary veins. 
