EXPLANATION OF FIGURES ILLUSTRATING BIRD TONGUES 



Plate 1 



No. 1. Planesticus migratorius. 



2. Dendroica tigrina. 



3. Icterus icterus. 



4. Chlorophanes spiza. 



5. Coereha J)ananivora. 



6. Myzomela rubratra. 

 34 



