

Fig. 75. — \'enous system of the frog seen from the dorsal side, abd, ab- 

 dominal vein ; i^r, brachial vein ; to^, cardiac, or vena bulbi cordis; ds, 

 /w(^, dorso-liimbar; £i?«, duodenal ; ^jr^./«, external jugular ; fin, femoral; 

 gs, gastric; hp, hepatic; hp.pt, hepatic portal ; int. intestinal; int.ju, 

 internal jugular; kd, kidney; l.iiu, left auricle; Ing, lung; Ivr, liver; 

 wj'.cw, musculo-cutaneous; //-.rw, precaval ; pt.cv, postt^ival ;////, pul- 

 monary; /i", pelvic; ;-.(?«, right auricle; ///.renal veins; rn.pt, renal 

 portal; sc, sciatic; spl, splenic; spin, spermatic; s.v, sinifs venosus; 

 ts, testis; vcs, vesical veins. (From Parker and Haswell's Zoology.) 

 T 273 



