viii TABLE OF CONTENTS. 



PAGE 



50. Sturnidae 247 



51. Icteridae 247 



52. Fringillidas 254 



53. Tanagridag 290 



54. Hirundinidae 292 



55. Ampelidae 294 



56. Laniidae 295 



57. VireonidjE 296 



58. Coerebidas 300 



59. Mniotiltidae 300 



60. Motacillidae 319 



61. Cinclidae 321 



62. Troglodytidae 321 



63. Certhiidae ... 330 



64. Paridae 331 



65. Sylviidas 338 



66. Turdidae 341 



IV. HYPOTHETICAL LIST 343 



V. THE FOSSIL BIRDS OF NORTH AMERICA . . 359 



INDEX 369 



