A History of North American Birds; Land Birds; Vol. 3 of 3

by Spencer Fullerton Baird; T. M. Brewer; Robert Ridgway

• 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.

C. Neck.

• 48. Hind neck (includes 49, 50).
• 49. Nape.
• 50. Scruff.
• 51. Fore neck (includes 52, 53).
• 52. Throat.
• 53. Jugulum.
• 54. Side neck.

D. Trunk or Body.

• 57. Back (includes 58, 59).
• 58. Upper back.
• 59. Lower back.
• 60. Rump.
• 61. Mantle (back and wings together).
• 62. Breast.
• 63. Abdomen (includes 64, 65).
• 64. Epigastrium.
• 65. Belly.
• 66. Crissum.

E. Tail.

• 70. Tail feathers (or rectrices).
• 72. Upper tail coverts.
• 73. Lower tail coverts.

F. Wings.

• 75. Primary quills.
• 76. Secondary quills.
• 77. Bend of wing.
• 79. False wing (alula).
• 80. Scapulars.
• 86. Primary coverts.
• 89. Secondary coverts (include 92, 93, 94).
• 92. Greater wing coverts.
• 93. Lesser wing coverts.
• 94. Middle wing coverts.
• 95. Edge of wing.

G. Legs.