RABBIT. 135 



(a) The right subclavian artery. It divides 



into : 



(aa) The vertebral artery which passes 

 dorsally and toward the median 

 line. 



(bb) The internal mammary artery to the 

 inner wall of the thorax. It sends 

 off five branches to the five ante- 

 rior intercostal spaces. 

 (cc) The brachial artery to the arm. 

 (b) The right common carotid artery. 



2. The left common carotid artery, on the left of 



the median line. (Not infrequently united 

 with 1.) 



3. The left subclavian artery. 



Its branches like those of the right side. 



4. The thoracic arteries ; seven pairs to the 



seven posterior intercostal spaces. 



5. A little posterior to the diaphragm, the large 



unpaired coeliac artery to the liver, the stom- 

 ach and the spleen. 



6. The anterior mesenteric artery to the small 



intestine, the pancreas, the coecum and the 

 colon. It arises near the coeliac artery. 



7. The renal arteries, paired, to the kidneys. 



8. The spermatic or ovarian arteries to the repro- 



ductive organs. 



(The arteries posterior to the spermatic, 

 etc., arteries should be left until after the 



