1 38 



KEY TO TIIK IU1JDS OF EASTERN XORTFI AMEUICA. 



FAMILY CUCULID/E. 



Cuckoos. 



Feet, zygodactyle (two toes in front, two behind). 



Under mandible, yellow ; greater portion of primaries, rufous brown, tipped 

 with jrrayi-h olive: nnderparts, dull white: miter tail feathers, black, tipped 

 with white. 



Yellow=billed Cuckoo. 



CyzilS linn rii'ini iis. 

 Sec No. 320. 



Under mandible, yellow, tip, Mack: primaries, grayish olive, not mtous 

 brown: liellv. tinned with pale rufous. 



riangrove Cuckoo. 



Cocri/zu* minor, a>i<l run ft. 

 See No. 318. 



Mill, black ; n<> rufou- lirown on iriinarii-: uiiderparts, dull wliite; outer tail, 



lilve li.-ick iii color. 



Black-billed Cuckoo. 



Cocr >i:; us i-riitlti-<>i>ft(ltitliiinx. 

 See No. .T21. 



General plnnm.^', black; hill. Maek. West, Indian Aperies, recorded from Florida ; 

 a.-eideutal in the Uuited States. I'.ifl very dillnvnl I'roiu that of t rue Cui-koo, 

 hcin.i; thin and " I'arrot like." Ani. 



See No. .'{17. 



