The arteries (except the pulmonary) and the left side of the heart are colored red; the veins, (except the pulmonary) and the right half of the heart blue: on the limbs of the left side the arteries are omitted and only the superficial veins are shown.

1. Aorta, near its origin from the left ventricle of the heart.

2. Lower end of aorta. 3. Iliac artery.

4. Femoral artery.

5. Popliteal artery; the continuation of the femoral which passes behind the knee-joint.

6,7. The main trunks (anterior and posterior tibial arteries into which the popliteal divides).

8. Subclavian artery.

9. Brachial artery.

10. Radial artery.

11. Ulnar artery.

12. Common carotid artery. 18. Facial artery.

14. Temporal artery.

15. Right side of Heart, with superior vena cava joining it above, and inferior vena cava (16) passing up to it from below.

17. Innominate vein, formed by the union of subclavian and jugular veins.

The right and left innominate veins unite to form the superior cava.

18. Left internal jugular vein.

19. Axillary vein.

20. Basilic vein. 22. Cephalic vein. 28. Radial vein.

24. Ulnar vein.

25. Median vein.

26. Iliac vein.

27. Femoral vein.

28. Long saphenous vein.

29. The kidney; attached to it are seen the renal artery and vein. 30. Branches of the pulmonary arteries and veins in the lung.

PLATE IV. THE CHIEF ARTERIES AND VEINS OF THE BODY.