PliATE XX 



1. Belding's \'ellow-throat. Adult Male, 3. Maryland YellOw-thkoai, Adlilt Male. 



2. Belding'? ^ ELLOvz-TiiitoA r, Adult Female. 4. Maryland \'ELLOvv-rHROAT, Adult Femali 



5. MaKYLANU ^ IlLL<JW-rnKOA I", ^'tJUNG MaLE, 

 (one-half NATURAL SIZE.) 



