X TABLE OF CONTENTS. 



Page. 



47. Vireo huttoni iiuiillianloram (Grinnell) 74a 



48. Vireo (uirmioli Baird 11*9 



49. Vireo modestus Sclater 200 



50. Vireo hypochryseus hypochryseus Sclater 201 



51. Vireo hypochrj-seus sordidus Nelson 202 



52. Vireo vicinior Coues 202 



53. Vireo nanus Nelson 204 



54. Vireo bellii bellii Audubon 204 



55. Vireo bellii medius Oberholser 206 



56. Vireo bellii arizon;e, new subspecies " 207 



57. Vireo bellii pusillus (Coues) 208 



58. Vireo latiineri Baird 210 



Genus 4. Neochloe Sclater 21 1 



59. Neochloe brevii)ennis Sclater 21 2 



Genus 5. Laletes Sclater 212 



60. Laletes osburni Sclater 213 



Genus 6. Pachysylvia Bonaparte - . . 214 



Key to the Species and Subspecies of Pachysylvia 215 



61. Pachysylvia decurtata (Bonaparte) 216 



62. Pachysylvia ochraceiceps ochraceiceps (Sclater) 218 



63. Pachysylvia ochraceiceps pallidipectus Ridgway 219 



64. Pachysylvia aurantiifrons aurantiifrons ( Lawrence ) 220 



65. Pachysylvia viridiflava (Lawrence) 221 



Genus 7. Vireolanius Du Bus 221 



Key to the Species and Subspecies of Vireolanius 222 



66. Vireolanius pulchellus pulchellus Sclater and Salvin ■ 223 



67. Vireolanius pulchellus verticalis Ridgway 224 



68. Vireolanius pulchellus viridicei"»s, new subspecies '' 224 



69. Vireolanius nielitophrys nielitophrys Bonaparte , 225 



70. Vireolanius nielitophrys goldmani Nelson 744 



Genus 8. Cyclarhis Swanson 226 



Key to the Species and Subspecies of Cyclarhis 227 



71. Cyclarhis flaviventris flaviventris Laf resnaye 228 



72. Cyclarhis flaviventris yucatanensis Ridgway 229 



73. Cyclarhis insularis Ridgway 230 



74. Cyclarhis coib;e Hartert 745 



75. Cyclarhis flavi pectus subflavescens ( Lawrence) 230 



Family Laniid.e. The Shrikes 232 



(xenus 1 . Lanius Linnanis 234 



Key to the Species and Subspecies of Lanius 235 



1. Lanius borealis Vieillot - 237 



2. Lanius ludovicianus ludovicianus Linnfcus 241 



3. Lanius ludovicianus migrans Palmer 243 



4. Lanius ludovicianus excubitorides ( Swainson ) 246 



5. Lanius ludovicianus mexicanus ( Brehm) 248 



6. Lanius ludovicianus gambeli Ridgway 249 



7. Lanius ludovicianus anthonyi Mearns 251 



8. Lanius ludovicianus mearnsi, new subspecies '" 252 



Family Corvid-t;. The Crows and Jays 252 



Key to the Genera of Corvidpe 254 



Genus 1. Corvus Linnaeus 256 



"See Addundii, p. 743. ''See Addenda, p. 744. cSee Addenda, p. 745. 



