82 THE STRUCTURE OF THE FOWL 



r.b-c. 



the head and neck ; while the subclavian 

 divides into a brachial artery for the wing and 



ic a large pectoral aHery 

 chiefly concerned in 

 carrying blood to the 

 large pectoral muscular 

 mass. 



From the neighbour- 

 hood of the right bron- 

 chus, the aorta passes 

 backwards ventral to 

 the vertebral column, 

 supplying paired inter- 

 costal and lumbar 

 arteries corresponding 

 to the intervals be- 

 tween the vertebrae. 

 The following arteries 

 are also furnished to 

 the organs within the 



l.p., left pectoral; a aorta; c, coeliac ; abdomCU aud pclvls aud 

 cm., cranial mesenteric; r., renal; i., Jr 



femoral; s sciatic; ca.m., cau.lal me- ^^ ^^IQ IcffS. TllC singlc 

 senteric; h., hypogastric; m.s., niiudle o o 



^^"^^- cceliac artery supplies 



the liver, spleen, glandular stomach, gizzard, 

 and a part of the intestine. The cranial 

 mesenteric artery, also single, furnishes blood 

 to most of the intestine. The paired renal 



ca.m. 



m.s. 



Fig. 47. 



-Diagram of the chief 

 Arteries. 



r.b-c, right brachio-cephalic ; l.b-c, 

 left brachio-cephalic; r.c, right caro- 

 tid ; I.e., left carotid ; r.b, right brachial ; 

 l.b., left brachial; r.p., right pectoral; 



