ii4 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. IX. 



Family APHRIZID^. 



SURF BIRDS AND TURNSTONES. 



Subfamily ARENARIIN^. Turnstones. 



Bill, shorter than head and horny at tip; toes, 

 four; lower back and rump, white, with black band; 

 legs, comparatively short and stout. 



Summer. Turnstone. Winter. 



Adult in summer: General upper parts, mottled and variegated 

 with black, white, rufous, and tawny; throat and breast, black and 

 white; rest of under parts, white; tail, with subterminal band of black, 

 tipped with white. 



Adult in winter: Above, light, streaked and dashed with dark 

 brown; an imperfect band of dark brown on the jugulum; chin and 

 upper part of the throat, white; sides of breast, like the back; rest 

 of under parts, white; a distinct white band on the wing; rump, white, 

 with a broad patch of black on the upper tail coverts; tail, dark 

 brown, the tips and basal half of the inner feathers, and nearly two 

 thirds of the outer feathers, white; legs, reddish orange; bill, black. 



Length, 8.65; wing, 5.70; tail, 2.60; tarsus, i; bill, .95. 



Arenaria inter pres morinella. 

 Turnstone. 

 See No. 139. 



