TABLE OF CONTENTS. XI 



Page. 



Key to the Species and Subspecies of Megaquisoalns 235 



33. Megaquisealus major major ( Vieillot ) 236 



34. Megaquisealus major macrourus (Swainson ) 23S 



35. Megaquisealus major obscurus ( Nelson ) 241 



36. Megaquisealus major graysoni (Selater) 241 



37. Megaquisealus major nelsoni Ridgway 242^ 



38. Megaquisealus tenuirostris ( Swainson ) 243- 



39. Megaquisealus nicaraguensis (Salvin and Godman ) 244 



Genus 13. Scoleeophagus Swainson 244r 



Key to the Species of Scoleeophagus 245 



40. Scoleeophagus carolinus ( Miiller ) 24& 



41. Scoleeophagus cyanocephalus ( Wagler ) 248- 



Genus 14. Ptiloxena Chapman 251 



42. Ptiloxena atroviolacea (D'Orbigny ) 252" 



Genus 15. Dives Cassin 253- 



43. Dives dives ( Lichtenstein ) 254 



Genus 16. Icterus Brisson 255 



Key to the Species and Subspecies of Icterus 257 



44. Icterus icterus ( Linnaeus ) 263^ 



45. Icterus oberi Lawrence 265 



46. Icterus maculi-alatus Cassin 265 



47. Icterus northropi Allen 266- 



48. Icterus wagleri Selater 267 



49. Icterus prosthemelas ( Strickland) 269- 



50. Icterus hypomelas ( Bonaparte) 271 



51. Icterus portoricensis (Bryant) 272^ 



52. Icterus dominicensis (Linmeus) 273- 



53. Icterus laudabilis Selater 274 



54. Icterus spurius (Linnaeus) 275 



55. Icterus bonana (Linnaeus) 279 



56. Icterus melanocephalus melanocephalus ( Wagler ) 280 



57. Icterus melanocephalus audubonii (Giraud ) 282 



58. Icterus pectoralis pectoralis (Wagler ) 283 



59. Icterus pectoralis espinachi Ridgway 284 



60. Icterus gularis gularis ( Wagler) 284 



61. Icterus gularis tamaulipensis Ridgway 286> 



62. Icterus gularis j'ucatanensis Berlepscli 287 



63. Icterus cucullatus cucullatus Swainson 287 



64. Icterus cucullatus sennetti Ridgway 289 



65. Icterus cucullatus nelsoni Ridgway 290' 



66. Icterus cucullatus igneus Ridgway 291 



67. Icterus cucullatus cozumel;e Nelson 292" 



68. Icterus cucullatus duplexus Nelson 292' 



69. Icterus giraudii Cassin 293 



70. Icterus gualanensis Underwood 295- 



71. Icterus pustulatus (Wagler) " — 295 



72. Icterus sclateri Cassin 297 



73. Icterus graysonii Cassin 298 



74. Icterus auratus Bonaparte 299 



75. Icterus xanthornus xanthornus (Gmelin ) 300 



76. Icterus xanthornus curasoensis Ridgway 303 



77. Icterus leucopteryx (AVagler) SOS- 



78. Icterus lawrencii Cory 305 



