PHYLUM CHORDATA 

 f 



421 



pul.cu£r 



Fig. 253. — Rana temporaria. The arterial system, with the hearty lungs, kidneys, 

 and left testis, from the ventral aspect, car, carotid artery; car. gl, carotid 

 gland; c. art, conns arteriosus; car. tr, carotid trunk; ccel. mes, cceliaco- 

 mesenteric artery; ere, cutaneous artery; d. ao, dorsal aorta; du, duodenal 

 artery; gs, gastric artery; kfi, hepatic artery; il, iliac artery; z'/tt, intestinal 

 arteries; kd, kidney; /. an, left auricle; Ig, lingual artery; Pul, pulmonary 

 artery; pul. cu. tr, pulmo-cutaneous trunk; r. au, right auricle; m, renal 

 arteries; spl, splenic artery; sys. tr, systemic trunk; spin, spermatic artery; 

 is, testis; v, ventricle. 



