TABLE OF CONTENTS. IX 



Page 



Genus 12. Ridgwayia Stejneger 1^^ 



73. Ridgwayia pinicola (Sclater) 1^6 



Genus 13. Sialia Swamson ^^° 



Key to the Species and Subspecies of Sialia 140 



74. Sialia sialis sialis (Linnteus) 142 



75. Sialia sialis fulva Brewster « 116 



76. Sialia sialis guatemal;e Ridgway 147 



77. Sialia mexicana mexicana Swainson 148 



78. Sialia mexicana anabete Anthony 150 



79. Sialia mexicana bairdi Ridgway 1^^ 



80. Sialia mexicana australis Nelson 154 



81. Sialia mexicana occidentalis (Townsend) 155 



82. Sialia arctica Swainson 156 



Genus 14. Myadestes Swainson 160 



Key to the Species and Subspecies of Myadestes 161 



83. Myadestes townsendi (Audubon) - 163 



84. Myadestes obscurus obscurus Laf resnaye 166 



85. Myadestes obscurus occidentalis Stejneger 168 



86. Myadestes unicolor Sclater 170 



87. Myadestes melanops Salvin 1 ' 1 



88. Myadestes elisabeth ( Lembeye) 172 



89. Myadestes elisabeth retrusus Bangs and Zappey 1 73 



90. Myadestes solitarius Baird - 174 



91. Myadestes genibarbis genibarbis Swainson 175 



92. Myadestes genibarbis sanctfe-lucife ( Stejneger) 176 



93. Myadestes genibarbis dominicanus (Stejneger) 177 



94. Myadestes genibarbis cherriei Ridgway 1 " 



95. Myadestes armillatus (Yieillot) 1 7h 



96. Myadestes sibilans Lawrence 179 



Family Mimid.?;; ^°" 



Comparison of osteological characters of Troglodytidaj, Mimida?, and Turdida?. 181 



Key to the Genera of Mimid* 1^^ 



-1 QA 



Genus 1. Toxostoma Wagler ^^'* 



Key to the Species and Subspecies of Toxostoma 185 



1. Toxostoma rufum (Linnpeus) 187 



2. Toxostoma longirostre longirostre (Laf resnaye) 191 



3. Toxostoma longirostre sennetti ( Ridgway ) 192 



4. Toxostoma guttatum (Ridgway) 193 



5. Toxostoma ocellatum (Sclater) 194 



6. Toxostoma cinereum cinereum ( Xantus) 195 



7. Toxostoma cinereum mearnsi ( Anthony ) 196 



8. Toxostoma bendirei ( Coues) 197 



9. Toxostoma curvirostre curvirostre (Swainson) 199 



10. Toxostoma curvirostre occidentale ( Ridgway ) 201 



11. Toxostoma curvirostre maculatum (Nelson ) 202 



12. Toxostoma curvirostre palmeri (Coues) 202 



13. Toxostoma redivivum (Gambel) 203 



14. Toxostoma redivivum helvolum Thayer and Bangs 888 



15. Toxostoma lecontei lecontei Lawrence 20o 



16. Toxostoma lecontei arenicolum ( Anthony ) 207 



17. Toxostoma crissale Henry 



Genus 2. Melanotis Bonaparte " 



a This should be Sialia sialis azurea (Baird) . (See Addenda, p. 887.) 



