I. 

Draceram or A Bir, to illustrate the terminology of the plumage 
and limbs (after Oates). 
Forehead, 2. Crown or vertex. 3. Nape. Between this and 2 is the 
hind-head, or occiput. 4. Lore (space in front of theeye). 5. Super- 
cilium. (The space around the eye is the “ orbital” or “cireumocular 
region ” and is subdivided into supra-orbital, infra-orbital, ante-orbital, 
and post-orbital). 6, Cheek or gena; its lower margin is the malar 
region. 7. Auriculars or ear-coverts. 8. Upper mandible or maxilla. 
g- Lower, or true, mandible. ro, Culmen, or upper profile of maxilla. 
11. Rictus, or commissural line of junction(or gape) of the two mandibles. 
The extreme posterior end of the gape is the corner or angle of the 
mouth, or commissural point. The space between this and the base of 
the horny bill is the rictus. 12. Rictal bristles or vibrisse. 13. Chin 
or mentum, 14. The throat—divisible into “upper throat” (gula) 
and “lower throat” (jugulum), which extends down to 15, where 
begins the prepectus, or fore-neck, after which comes the breast or 
pectus—that is the part which covers the breast-bone or sternum. 
16. Abdomen. (The breast and abdomen together are called “ gas- 
treum.”) 17. Back—the upper part of which is the interseapular 
region. 18. Rump or uropygium. 19. Scapulars. 20. Primaries 
(the outermost 9 cr 10 quills of the wing springing from the pinion or 
bones of the hand). 21. Secondaries (wing-quills springing from the 
lower arm-bones—radius and ulna). 22. Tertiaries (springing from 
the upper arm-bone or humerus).—The primaries, secondaries, and 
tertiaries together constitute the “ remiges.” 23. Lesser wing-coverts. 
24. Median wing-coverts. 25. Greater wing-coverts. 26. Primary 
wing-coverts. 27. Winglet or bastard wing or alula (feathers spring- 
ing from the thumb). 28. Upper tail-coverts. 29. Tail-feathers or 
rectrices. 30. Under tail-coverts. 31. Tarsus, 32. Hind toe or first 
toe or hallux. 33. Inner or second toe. 34. Middle or third toe. 
35. Outer or fourth toe. : 
