EXPLANATION TO PLATE VI. 



Figs. 1, 3. Dolichonyx oryzivorus, Linnaeus. Bobolink. 



Figs. 3, 4, 5, 6. Molothrus ater, Boddaert. Cowbird. 



Figs. 7, 8. Molothrus ater obscurus, Gmelin. Dwarf Cowbird. 



Fig. 9. Callotlirus robustns, Cabanis. Red-eyed O'owbird. 



Figs. 10, 11, 12. Xantboceplialus xanthocephalus, Bonaparte. Yellow-headed Blackbird. 



Figs. 13, 14, 15. Agelaius pbcBniceus, Linnaeus. Red-winged Blackbird. 



Figs. 16, 17. Agelaius gubernator, Wagler. Bioolored Blackbird. 



Figs. 18, 19. Agelaius tricolor, Nuttall. Tricolored Blackbird. 



Figs. 20, 21. Stumella magna, Linnseus. Meadowlark. 



Fig. 22. Sturnella magna mexicana, Sclater. Mexican Meadowlark. 



Figs. 23, 24. Sturnella magna neglecta, Audubon. Western Meadowlark. 



Figs. 25, 26, 27. Icterus audubonii, Giraud. Audubon's Oriole. 



Figs. 28, 29. Icterus parisorum, Bonaparte. Scott's Oriole. 



Figs. 30, 31, 32. Icterus cucuUatus, Swainson. Hooded Oriole. 



