U. S. NATIONAL MUSEUM PROCEEDINGS, VOL. XV PL. XLV 
y, 
is 
Nes 
Nea 
H a 
Wg 
WING-FEATHERS OF MOTACILLA LUGENS; NATURAL SIZE. 
Fig. 1. Secondary next to longest tertiary (juv., U. S. National Museum, No. 96205 ; Yezo ; July; 
Blakiston collection, No. 1561). 
Fig. 2, Secondary next to longest tertiary (2 after molt, second autumn ; U.S. National Museum, 
No. 96205 ; Yezo ; September ; Blakiston collection, No. 2959). 
Fig. 3. Fifth primary of same. 
Fig. 4. Secondary next to longest tertiary (¢ after molt, second autumn ; U.S. National Museum, 
No. 96209 ; Yezo ; September; Blakiston collection, No. 2957). 
Fig. 5. Fifth primaryof same. 
Fig. 6. a, left wing ; b, right wing; fifth primary (U. 8S. National Museum, No. 96197; Yezo; 
March ; Blakiston collection, No. 1154.) 
