FROG. 105 



(bbb) The mesenteric artery : to the 



intestine and to the spleen. 

 (bb) The renal arteries : to the kidneys. 

 (cc The genital arteries : to the reproduc- 

 tive organs. 



(dd) The inferior mesenteric artery: sup- 

 plying the base of the large intes- 

 tine. 



(ee) The common iliac arteries : formed by 

 the division of the dorsal aorta. 

 Each continues down the leg as 

 the sciatic artery after having 

 given off: 

 (aad) The hypogastric artery : to the 



bladder. 



Diagram of the Arterial System ! 

 T. The Urino-genital Organs. 



Remove the alimentary canal between the base of 

 the oesophagus and the posterior third of the 

 large intestine. 

 Posterior to the fat bodies are the reproductive 



organs. 

 In the female : 



1. The ovaries : lobed organs, varying much in 



size with the season of the year. 



2. The oviducts : convoluted tubes, one on each 



side. The anterior end is funnel-like, and 

 the tub.e passes posteriorly to open into the 

 cloaca. 



