DIAGRAM OF A Birp, to illustrate the terminology of the plumage and limbs. 
ile 
y= 0) bo 
aI oo Ot 
cS © 
10. 
. Commissure or line of junction of 
Forehead. 
. Crown. 
. Nape or occiput. 
Lores (space in front of eye). 
Supercilium. 
Cheeks. 
Ear-coverts. 
Upper mandible or maxilla. 
Lower mandible. 
Culmen or upper profile of maxilla, 
the two mandibles. 
2. Rictal bristles or vibrisse. 
. Chin. 
. Throat. 
5. Breast. 
6. Abdomen. 
17. Back. 
Rump. 
. Scapulars. 
| 
| 
20. Primaries (the earlier or outer- 
most 9 or 10 quills of the 
wing). 
21. Outer secondaries (wing-quills 
springing from the radius and 
wna). 
22. Inner secondaries. 
23. Lesser wing-coverts. 
Median wing-coverts. 
. Greater wing-coverts. 
5. Primary wing-coverts. 
. Winglet or bastard-wing. 
. Upper tail-coverts. 
. Tail-feathers or rectrices. 
. Under tail-coverts. 
. Tarsus. 
32. Hind toe or first toe or hallux. 
3. Inner or second toe. 
Middle or third toe. 
Outer or fourth toe. 
