384 



LIMOSA. 



KEY TO THE SPECIES. 

 The following is a key to the species and subspecies of the genus Limosa. 



melanura .... 



Tarsus less than 2f inches. \ 



melanuroides 

 hudsonica • ■ 

 rufa .... 

 uropygialis. 



> 



Tail-feathers black with con- 

 cealed white bases. 



Axillaries dark grey. 



Prevailing colour of rump and 

 lower back white. 



fedoa Axillaries chestnut. 



All these characters apply to young in first plumage as well as to adult birds. 



* * 



Subgeneric group with barred tails. 



— ' X,9>.~ 



LIMOSA RUFA. 



BAR-TAILED GOBWIT. 



Diagnosis. Limosa dorso postico, uropygio, axillaribus, subalaribusque albis bruuneo notatis. 



