puLcu^ 



Fig. 20. — The arterial system of the frog, with the heart, lungs, kidneys and left 

 testis, supposed to be removed from the body and viewed from the ventral 

 aspect. 



car. carotid artery; car.g-L carotid plexus; cart, conus arteriosus; car. ir. 

 carotid trunk ; ctei. tttes. splanchnic or cceliaco mesenteric artery ; cu. cutaneous 

 artery ; d. ao, dorsal aorta ; du, duodenal artery ; gs. gastric artery ; hp. hepatic 

 artery ; il. iliac artery ; int. intestinal arteries ; kd. kidney ; /. au. left auricle ; 

 Ig, lingual artery ; Ing. lung ; pul. pulmonary artery \pul. ci*. ir, pulmo-cutaneous 

 trunk ; ur, ait. right auricle ; m. renal arteries ; spl. splenic artery ; syst. ir. 

 systemic trunk ; spm. spermatic artery ; ii. testis ; v. ventricle ; veri. vertebral 

 artery, just behind which are seen the subclavian and oesophageal arteries. (From 

 Packer and HasweU's Zoology.) 



Pract. Zool. G 



