TABLE OF CONTENTS. XI 



Page. 



Key to the Species and Subspecies of Megaquiscalus 235 



33. Megaquiscalus major major ( Vieillot ) 236 



34. Megaquiscalus major macrourus (Swainson) 238- 



35. Megaquiscalus major obscurus (Nelson ) 24L 



36. Megaquiscalus major graysoni (Sclater) 241 



37. Megaquiscalus major nelsoni Ridgway 242^ 



38. Megaquiscalus tenuirostria (Swainson) 243- 



39. Megaquiscalus nicaraguensis (Salvin and Godman ) 244 



Genus 13. Scolecophagus Swainson 244 



Key to the Species of Scolecophagus 245 



40. Scolecophagus carolinus (Miiller) 246- 



41. Scolecophagus 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 (Linnseus) 263- 



45. Icterus oberi Lawrence 265 



46. Icterus maculi-alatus Cassin 265 



47. Icterus northropi Allen 266- 



48. Icterus wagleri Sclater 267" 



49. Icterus prosthemelas (Strickland) 269- 



50. Icterus hypomelas (Bonaparte) 271 



51. Icterus portoricensis (Bryant) 272' 



52. Icterus dominicensis (Linnseus) 273 



53. Icterus laudabilis Sclater 274 



54. Icterus spurius (Linnseus) 275 



55. Icterus bonana (Linnjeus) 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 yucatanensis Berlepsch 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 cozumehe Nelson _ 292 



68. Icterus cucullaius 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 30J 



77. Icterus leucopteryx (Wagler) 303^ 



78. Icterus lawrencii Cory 305 



