APPENDIX. 2038 
Upper surface of Right Wing of a Bird extended to show the relations between the 
flight-feathers and coverts. 
| 6. Minor coverts. 
. Secondaries | . Marginal coverts. 
. Major coverts of primaries. 8. Remiges of bastard wing. 
Major coverts of secondaries, 9, Scapulars. 
Median coverts. 
1. Primaries lp On 
temiges. 
gre ge ts 
“I 
Fig. I. 
AC yey 
4 AE 
a \\ 
Under surface of Contour-feather showing after-shaft. 
1. Shaft (Rhachis). 3. Quill (Calamus). 
2. Vane. 4, After-shaft (Hyporhachis). 
: PQ 
