FIG. 21. The venou; system of the Frog, with the heart, lungs, liver, kidneys, aud 

 right spermary, supposed to be removed from the body and viewed from the 

 dorsal aspect (X2). 



abd. abdominal vein ; br. brachial vein ; ed. cardiac vein ; ds. Imb. dorso-lumbar 

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

 gastric vein ; hf>. hepatic vein ; hf>. pt. hepatic portal vein ; in!, intestinal veins ; 

 int. in. internal jugular vein ; kd. kidnev ; /. au. left auricle ; Ing. In: 

 liver ; ms. cu. musculo-cutaneous vein : pr. <ru. precaval vein ; pt. cv. postcaval 

 vein ; put. pulmonary vein ; pv. pelvic vein ; r. au. right auricle ; rn. renal 

 veins ; rn. pt. renal portal vein ; sc. sciatic vein ; scl. subclavian veim : spl. 

 splenic vein ; spm. spermatic vein ; s. r. siiius venosus ; is. spermary ; ves. 

 vesical veins (from bladder). (From Parker and Haswell's Zoology.) 



G 2 



