X TABLE OF CONTENTS. 



Page. 



47. Vireo huttoni mailliardorum (Grinnell) 743 



48. Vireo carmioli Baird 199 



49. Vireo modestus Sclater ''. - 200 



50. Vireo hypochryseus hypochryseus Sclater 201 



51. Vireo hypochryseug sordidus Nelson 202 



52. Vireo vicinior Coues 202 



53. Vireo nanus Nelson 204 



54. Vireo bellii bellii Audubon = 204 



55. Vireo bellii medius Oberbolser 206 



56. Vireo bellii arizonae, new subspecies « - 207 



57. Vireo bellii pusillus (Coues) 208 



58. Vireo latimeri Baird ■ 210 



Genus 4. Neochloe Sclater - 211 



59. Neochloe brevipennia Sclater 212 



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 viridiceps, new subspecies i 224 



69. Vireolanius melitophrys melitophrys Bonaparte 225 



70. Vireolanius melitophrys goldmani Nelson 744 



Genus 8. Cyclarhig 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 coibee Hartert 745 



75. Cyclarhis flavipectus subflavescens (Lawrence) 230 



Family Lanhp^e. The Shrikes - 232 



Genus 1. Lanius Linnseus 234 



Key to the Species and Subspecies of Lanius 235 



1. Lanius borealis Vieillot 237 



2. Lanius ludovicianus ludovicianus Linnseus 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 OoRvioiE. The Crows and Jays 252 



Key to the Genera of Corvidse 254 



Genus 1 . Corvus Linnseus 256 



a See Addenda, p. 743. 6 See Addenda, p. 744. o See Addenda, p. 745. 



