I A Campbell, Dichotomoiis Key. 



Plumage uniformly mottled Numenius. 145 



145. Length about 24 inches ; wing about 12 inches ; bill 7 inches. 



iV. cyanopus (Curlew). 

 Length about 15 inches ; wing 8.8 inches ; bill 3 inches. 



N. variegatus (Whimbrel). 



146. Length about 15 inches ; face wattled. 



LOBIVANELLUS. PlOVERS (2). I47 



Length less than 12 inches ; face not wattled . . . . . . 148 



147. Sides of chest brown ; collar white. 



L. miles (Masked Plover). 

 Sides of chest and hind-neck black. L. lobatns (Spur-winged Plover). 



148. Back black ; length 8 inches ; bill stout, .9 inch. 



Arenaria interpres (Turnstone). 

 Back rufous or olive-brown . . . . . . . . . . 149 



149. Hind toe small ; armpit feathers brown or light . . . . 150 

 Hind toe extremely minute : long armpit feathers black ; total 



length 10.5 inches. Squatarola helvetica (Grey Plover). 



150. Thigh and knee not pink ; bill black or brown . . . . . . 151 



Thigh and knee red-pink ; also base of bill. 



Erythrogonys cinctits (Red-kneed Dottrel). 



151. Total length more than 6 inches .. .. .. ..152 



Total length 6 inches ; forehead and under surface white. 



Limonites riificollis (Little Stint). 



152. Long nasal grooves along bill, which is black and i inch or more in 



length ; tail square or pointed . . . . . . 153 



No nasal grooves ; bill .7 inch, brown ; wing very long (only about 



I inch shorter than body). Pratincoles. 162 



153. Middle and outer toes connected by a web at base . . . . 154 

 Toes all cleft to base . . . . . . . . . . 158 



154. Length 10 inches and over . . . . . . . . . . 155 



Length 9 inches and under . . . . . . . . . . 156 



155. Wing 6.5 inches ; inner webs of primaries barred. 



Bartramia longicauda (Bartram Sandpiper). 

 Wing 5.3 inches ; no wing bars ; under surface and rump white. 



Totanus stagnatilis (Little Greenshank). 



156. Lower back, rump, and upper tail coverts grey ; wing about 6 inches. 



Heteractitis. 157 

 Lower back, rump, and upper tail coverts not grey ; wing 4 to 4.3 

 inches. Triiigoides hypoleucus (Common Sandpiper). 



157. Abdomen all barred ; nasal groove along two-thirds of bill. 



H. incaniis (American Grey-rumped Sandpiper). 

 Abdomen white ; nasal groove along half of bill. 



H. brevipes (Grey-rumped Sandpiper). 



158. Bin 2.y inches ; subterminal tail-band reddish. 



Gallinago aiistralis (Snipe). 

 Bill less than 2 inches , . . . . . . . , . 159 



159. Bill slightly longer than tarsus ; under parts (except for a few 



streaks on breast), all white (rufous in breeding plumage). 



Tringa. 160 

 Bill slightly shorter than tarsus ; under parts not all white . . 161 



