28o 



AMPHIBIA 



Carotid arch 

 Systemic orcti 



^ci/mocufoneaus orchj 



ffitjtit auricle 

 Left auricle 



'External carotid 

 -InternoJ carotid 



Carotid qland 

 Laryncjeal 



—Great cutaneous 

 •-Pulmonory 



Occipifo- 

 vertebral 



■Subclavian 

 Vertebral 



Celiaco- mesenteric 



■Anterior mesenteric 

 ■L umt?ors 



■Posterior mesenteric 



//iocs 



Sciatic 



Fig. 150. Arterial system of frog. (Drawn by W. J. Moore.) 



