THE riXMAGE AMJ FLIGHT OF lilKDS. 



13 



rinm the small bone which represents the thumb arise certain short stiff feathers, lyuig 

 close on the quills of the primaries, and constituting the icinglef, or spurious muff (No. -i). 



Flo. Hi.— SUB-ACUTE WIXC OF TUE GOAT-SUCKER. 



There is also a group of feathers tenued tcrtiariis, arising from the humeral joint of the 

 fore-arm, and which, in many birds, — as the curlew, plovers, lapwings, &c., — are very 



FIG. \o. — SUB-OBTOSE ViTNC OF A CUCKOO. 



FIG. ](i.— SUR-OEIUSE WIXO OF A JAT. 



FIG. 14. — SCR-ACUTE WI.NG OF THE SE.V-SWA LLOW. 



FIG. 17. — FF.ATHEKS OF THE T-UL. 



long, and form a pointed appendage very apparent during flight. In most birds, however, 

 thev are not to be distinguished from the rest of the greater eoveri-s (No. 4), of which 



