EXPLAJSTATION TO PLATE VI. 



Figs. 1, 3. Dolichonys oryzivorus, Linnaens. Bobolink. 



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



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



Fig. 9. Callotbrus robiistus, Cabanis. Red-eyed Cowbird. 



Figs. 10, 11, 13. Xanthoceplialus xanthocepbalus, Bonaparte. Yellow-headed Blackbird. 



Figs. 13, 14, 15. Agelaitis plicsniceus, Linneeus. Bed-winged Blackbird. 



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



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



Figs. 30, 31. Sturnella magna, LinnEeus. Meadowlark. 



Fig. 83. Sturnella magna mexicana, Sclater. Mexican Meadowlark. 



Figs. 33, 34. Sturnella magna neglecta, Audubon. Western Meadowlark. 



Figs. 35, 36, 37. Icterus audubonii, Giraud. Audubon's Oriole. 



Figs. 38, 39. Icterus parisorum, Bonaparte. Scott's Oriole. 



Figs. 30, 31, 33. Icterus cuciillatus, Swainson. Hooded Oriole. 



