488 



COLLEGE ZOOLOGY 



npl 



FIG. 415. Diagram of the venous system of the frog, dorsal aspect. 

 abd, abdominal vein; br, brachial vein; cd, cardiac vein; ds.lmb, dorso-lumbar 

 vein; du, duodenal; ext.ju, external jugular; fm, femoral; gs, gastric; 

 hp, hepatic; hp.pt, hepatic portal; int, intestinal; int.ju, internal jugular 

 vein; kd, kidney; l.au, left auricle; Ing, lung; hr, liver; ms.cu, musculocu- 

 taneous vein; pr.cv, precaval; pt.cv, postcaval; pul, pulmonary; pv, pelvic; 

 r.au, right auricle; rn, renal; rn.pt, renal portal; sc, sciatic; spl, splenic; 

 spm, spermatic; s.v, sinus venosus; ts, testis; ves, vesical veins. (From 

 Parker and Haswell.) 



