FA BROOKS — A (.'LAPPKR RAIL [''v^il^Vlf ' 



margins arc w idcr and of a bluish cast, giving the baok a lighter and more 

 blue appearance than in other members of the genus. 



Dexcription. — Feathers of upper j)arts olive brown with bluish gray 

 margins; rectrices with narrow olive brown centers, shading to neutral color 

 on the margins; wings brown; outer web of first primaries lighter; the upper 

 wing coverts with irregular buff -colored patches; under wing coverts dark 

 brown with narrow white bars; crown and nape darker than back, with 

 verj^ little streaking; sides of the head and neck bluish gray, as on the mar- 

 gins of the back feathers; suborbital spot and supraloral streak white, 

 washed with buff; upper throat white; lower throat and upper breast buff; 

 belly dull white, the sides dark brown barred with white; under tail coverts 

 with spots and bars of black. 



MEASUREMENTS (in millimeters) 



Mr. Paul Ba,rtsch recently has used the name Rallus longi- 

 rostris helius for the clapper rails of this general region. As 

 this name appears to rest on no description, but to be purely 

 a nomen nudum, it must be disregarded. 



