1 2 Campbell, Dichotomous Key. 



114. Plumage sooty or black and white. 



H.EMATOPUS. Oyster-catchers. 115 

 Plumage mottled brownish. Stone-Plovers. 116 



115. Plumage sooty. H. unicolor (Sooty Oyster-catcher). 

 Plumage black and white. 



H. longirostris (White-breasted Oyster-catcher). 



116. Bill 2 inches, or shorter than head. 



Burhinus grallarius (Stone-Plover or Land-Curlew). 

 Bill 3 inches, or longer than head. 



OrthorhampJiHS magnirostris (Large-billed Stone-Plover). 



117. Length 10.5 to 14.5 inches . . . . . . . . . . 118 



Length 9 inches and less . . . . . . . . . . 120 



118. Extremely long red legs ; tarsus 3 inches or more. Stilts. 119 

 Dark legs ; tarsus 1.75 inches 



Zonifer tricolor (Black-breasted Plover). 



119. Hind neck, wings, and back black. 



Himantopus leucocephalus (White-headed Stilt). 

 Head and back white, chestnut band on breast. (This species has 

 toes webbed, but is not a swimmer.) 



__ Cladorhvnchus leucocephalus (Banded Stilt). 



120. Upper and under surfaces plain, faintly marked or banded. 



Dottrels. 121 

 Upper and under surfaces boldly spangled ; length 9 inches. 



Charadrnis dominicus (Lesser Golden Plover). 



121. General colour sandy-buff; thin black collar round neck and chest 



(collar not complete in female). Peltohyas australis (Dottrel). 

 General colour brown or grey . . . . . . . . 122 



122. Bill and legs blackish . . . . . . . . . . 123 



Bill flesh colour at base ; legs flesh colour .Egl\litis (also No. 125). 128 



123. Outer toe united with middle one by web at base ; bill less than 



I inch. OcHTHODROMUS. 124 



Outer toe not united with middle one ; bill i.i inches ; length 

 7 inches; wing 4.75 inches. Calidris arenaria (Sanderling). 



124. Length 8 inches or less ; under wings white . . . . . . 125 



Length 9 inches ; feathers under wings blackish. 



0. veredus (Oriental Dottrel). 



125. Length more than b inches ; wing more than 4 inches . . . . 126 

 Length 6 inches ; wing 4 inches. (Male has black band on forehead 



behind white.) Mgialitis ruficapilla (Red-capped Dottrel). 



126. Length more than 6.5 inches ; wing more than 5 inches . . 127 

 Length 6.5 inches ; wing 4.75 inches : bill .6 inch. (Male has 



black band on forehead behind white.) 



0. bicinctus (Double-banded Dottrel). 



127. Length 8 inches ; l:)ill i inch ; tarsus 1.45 inches. 



0. geoffroyi (Large Sand-Dottrel). 

 Length 7 inches ; bill .8 inch ; tarsus 1.2 inches. 



0. niongolus (Mongolian Sand-Dottrel). 



128. Throat black (head smoky-black in youth). 



.£. cucullata (Hooded Dottrel). 

 Throat white . . . . . . . . . . . . 129 



