pv 



FIG. 21. The venous system of the Frog, with the heart, lungs, liver, kidneys and 

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

 aspect. 



int.ju. internal jugular vein ; kd. kidney ; /. au. left auricle ; Ing. lung ; Ivr. 

 liver ; MS, cu. musculo-cutaneous vein ; pr. cv. precaval vein ; pt. cv. postcaval 

 vein ; pul. pulmonary vein ; pj>. pelvic vein ; r. au. right auricle ; rn. renal 

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

 splenic vein ; spin, spermatic vein ; s. v. sinus venosus ; ts. spermary ; ves. vesical 

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



G 2 



