Description of Plate 10. 



Vascular System of Necturus maculatus. 



Fig. 



1. Afferent and efferent vessels on a larger scale than in 

 Plate 9. The capillary connection between the two 

 is omitted. 



A. B. Anastomosing branch between 



first and third efferent vessels. 



A. B. I. First afferent branchial artery. 



A. B. II. Second afferent branchial artery. 



A. B. III. Third afferent branchial artery. 



A. O. Dorsal aorta. 



C. V. Union of second and third effer- 

 ent vessels. 

 E. B. I. First efferent branchial artery. 



E. B. II. Second efferent branchial artery 

 E. B. III. Third efferent branchial artery. 

 E. B. a. Branch to second afferent artery. 

 E. C. External carotid. 

 I. C. Internal carotid. 



P. Pulmonary. 

 R. A. Aortic root. 

 T. R. Truncus arteriosus. 



Pig. 



2. Arteries of the arm and hand. 



Br. Brachial. 

 Br. a. Branch to flexor carpi radials 



and first digit. 

 Br. "b. Branch to flexor carpi ulnaris 



and last digit. 

 C. a. Branch of cutaneous to upper 

 part of arm. ■, -, 



Cu. Cutaneous. 

 Cu. a. Branch of cutaneous to pectoral 

 muscles. 



T. A. Thyroid axis. 



T. a. Muscular branch of Thyroid axis. 

 T. a. a. Branch of T. a. to anconeus. 

 T. a. b. Branch of T. a. to last digit. 

 T. a. c. Branch of T. a. to first digit. 

 T. b. Muscular branch to procoro hu- 

 meralis, cucularis and anti- 

 brachialis. 



Fig. 3. 



Arteries of the leg and foot. 



C. A. Branch to flexor tarsi tibialis 



and first digit. 

 C. B. Branch to flexor tarsi fibularis 



and last digit. 

 Epi. Epigastric. 

 Epi. B. Branch of epigastric to body 



wall. 

 Epi. R. Branch of epigastric to rectus 

 femoris. 

 Fr. Femoral. 



