THAYER, BANGS : AVES FROM SAVANNA OF PANAMA. 221 



64. Basileuterus rufifrons mesochrysus (Scl.). 

 Five adults, both sexes. May 3 to 11. 



65. Rhodinocichla rosea eximia Rido 



Nine adults, both sexes. May 4 to 25. 



COBREBIDAB. 

 66- Cyanerpes cyaneus (Linne). 

 Nine adult males, May 12 to 26. 



67- Dacnis cayana ultramarina (Lawr.). 

 Five adults of both sexes, May 8 to 25. 



ICTBRIDAB. 

 68. Zarhynchus wagleri wagleri (Gray). 

 Two adult females. May 15. 



69. Cacicus vitellinus Lawr. 



Twenty-four specimens, adults of both sexes. May 13 to 26, and two young 

 in nestling plumage, — $, May 26, 9» May 23. 



The young (nestlings) differ from the adults in having the yellow portions 

 much paler and without the orange tint, the black duller and browner, and in 

 having very small, weak bills. 



70- Amblycercus holosericeus (Light.). 

 Twelve adults, both sexes, May 2 to 20. 



71. Megaquiscalus major macrourus (Swainson). 



One adult female. May 25. The grackle is one of the birds relentlessly 

 hunted for food by the natives, and is found, consequently, in very small num- 

 bers, and is exceedingly shy. 



72. Leistes militaris (Linne). 



Twenty-two specimens, adults of both sexes, May 20 to 26; and one young 

 female in nestling plumage. May 26. This differs from the adult 9 only 

 in having the feathers of the back and wings, except the primaries, edged 

 all round with yellowish brown. 



TANAGRIDAB. 

 73. Tanagra cana Swainson. 



Two adult males, May 4 and 22. 



