EXPLANATION TO PLATE VII. 



Figs. 1,2. Icterus cucullatus nelsoni, Ridgway. Arizona Hooded Oriole. 



Figs. 3, 4, 5. Icterus spurius, Linnaeus. Orchard Oriole. 



Figs. 6, 7, 8, 9. Icterus galbula, Linnaeus. Baltimore Oriole. 



Figs. 10, 11, 12, 13. Icterus bullocki, Swainson. Bullock's Oriole. 



Figs. 14, 15, 16. Scolecophagus carolinus, Muller. Rusty Blackbird. 



Figs. 17, 18, 19, 20. Scolecophagus cyanocephahxs, Wagler. Brewer's Blackbird. 



Figs. 21, 22, 23. Quiscalus quiscula, Linnaeus. Purple Grackle. 



Figs. 24, 25. Quiscalus quiscula aglaeus, Baird. Florida Grackle. 



Figs. 26, 27. Quiscalus quiscula aeneus, Ridgway. Bronzed Grackle. 



Figs. 28, 29. Quiscalus macrourus, Swainson. Great-tailed Grackle. 



Figs. 30, 31. Quiscalus major, Vieillot. Boat-tailed Grackle. 



