266 GL AREOLA. 



Variations. ]\ T o local races of this species are known. 



Literature. 



Specific 

 characters. 



Geographi- 

 cal distribu- 

 tion. 



Synonymy. Glareola cinerea, Fraser, Proc. Zool. Soc. 1843, p. 26. 



Galachrysia cinerea, Bonaparte, Compt. Rend, xliii. p. 419 (1856). 



Plates. — Gray, Genera of Birds, iii. pi. cxliv. 

 Habits.— Forbes, Ibis, 1833, pp. 129, 514. 

 Eggs. — Hartert, Journ. Orn. 1886, p. 610. 



The White-winged Pratincole is the only species of the genus which has white 

 axillaries, a character common to old and young. 



It is only known from West Africa, where it is a resident in the Fantee Country 

 (Sharpe, Ibis, 1870, p. 487), the valley of the Niger (Forbes, Ibis, 1883, p. 129), the 

 valley of the Ogowai (Bocage, Orn. d'Angoia, p. 422), and the Loango coast (Falkenstein, 

 Journ. Orn. 1877, p. 11). 



Diagnosis. 



GLAREOLA NUCHALIS. 



WHITE-NAPED PRATINCOLE. 



Glakeola axillanbus griseis : secundariamm pogouiis externis pro parte basali albis. 





