REFERENCES TO THE FIGURE.

N. B. In the figure the adjacent regions are separated by a double bar,

with the letters belonging to each affixed.

A. The body in general.

B. The region of the head.

C. The region of the neck.

D. The region of the trunk.

E. The region of the tail.

F. The region of the wings.

G. The region of the legs.

H. The feathers.

NOTE.—I am under obligations to Professor Sundevall of Stockholm and Dr.

Sclater of London for assistance in correcting and improving the present

article.—S. F. BAIRD.

B. Head.

9. Bill in general.

10. Maxilla.

11. Mandible.

20. Ridge.

21. Tip of maxilla.

22. Keel.

23. Angle of chin.

27. Angle of mouth.

28. Commissure.

28½. Nostrils.

30. Cap (pileus), includes 32, 33.

31. Crown (vertex).

32. Front head (sinciput).

33. Hind head (occiput).

34. Forehead.

36. Frontal points.

39. Lores.

40. Ophthalmic region.

41. Orbits.

42. Cheeks.

43. Eyebrows.

44. Temples.

45. Parotics.

46. Chin.

A History of North American Birds; Land Birds; Vol. 3 of 3 · 第 278 / 607 题