174 BRITISH BIRDS. 



GENUS CLX. CHiETUSIA, Bonaparte (1841). ' 



283. Chsetusia gregaria (Pall,). SOCIABLE LAPWING. 



Hab. S.E. Russia and S.W. Asia. Wintering in India 

 and N.E. Africa. 



An example shot in Lancashire about 1860 was at first 

 recorded as Cursorius gallicus, but afterwards found to 

 belong to this species. 



GENUS CLXI. STREPSILAS, Illiger (1811). 



Bill as long as head, rather stout at base, tapering to a 

 blunt point, upper mandible slightly longer than lower. 

 Hind toe very small. 



284. Strepsilas interpres (Linn.). TURNSTONE. 



Hab. Circumpolar regions. 



Male : head, neck and breast black, variegated with 

 white ; mantle and wings black with chestnut margins to 

 the feathers ; rump and base of tail-feathers white ; upper 

 throat and belly also white ; bill black ; iris hazel ; tarsi 

 orange -red, claws black. Length 8*50. Female duller. 



Common on our coasts during migration, while a pro- 

 portion remain through the winter. 



GENUS CLXTI. HjEMATOPUS, Linnaeus (1766). 



Bill much longer than head, straight, mandibles nearly 

 equal, strong, much compressed towards -tip which is 

 abruptly truncated. Tarsus rather long, stout ; hind toe 

 absent. 



285. Hsematopus ostralegus, L. OYSTER-CATCHER. 



Hab. Northern Europe and Central Asia. 



Adult : chin, throat and upper parts black, except 

 greater wing-coverts, part of secondaries, and the rump 



