XTI TABKE OF CONTENTS. 



Page. 



Genus 8. Hyloctistes Ridgway 199 



16. Hyloctistes virgatus (Lawrence) 200 



Genus 9. Philydor Spix 201 



Key to the Species of Philydor 202 



17. Philydor panerythrus Sclater 203 



18. Philydor fuscipennis Salvia 204 



Genus 10. Xenicopsis Cabanis 205 



Key to the Species of Xenicopsis 206 



19. Xenicopsis variegaticeps (Sclater) 207 



20. Xenicopsis subalaris lineatus (Lawrence) 209 



Genus 11. Automolus Reichenbach 211 



Key to the Species and Subspecies of Automolus 213 



21. Automolus rubiginosus Sclater 214 



22. Automolus versepacis versepacis Salvin and Godman 214 



22. Automolus versepacis umbrinus (Salvin and Godman) 215 



23. Automolus guerrerensis Salvin and Godman 216 



24. Automolus fumosus Salvin and Godman 216 



25. Automolus cervinigularis cervinigularis Sclater 217 



26. Automolus cervinigularis hypophseus Ridgway 219 



27. Automolus pallidigularis pallidigularis Lawrence 220 



28. Automolus pallidigularis exsertus Bangs 221 



Genus 12. Rhopoctites Ridgway 222 



29. Rhopoctites rufobrunneus (Lawrence) 223 



Family DENDROCOLAPTioiE 224 



Key to the Genera of Dendrocolaptidoe 226 



Genus 1. Dendrocolaptes Hermann 227 



Key to the Species and Subspecies of Dendrocolaptes 229 



1 . Dendrocolaptes sancti-thomae sancti-thomse (Lafresnaye) 229 



2. Dendrocolaptes sancti-thomfr- hesperius Bangs 232 



3. Dendrocolaptes puncticollis Sclater and Salvin 232 



4. Dendrocolaptes validus costaricensis Ridgway 233 



Genus 2. Xiphocolaptes Lesson 235 



Key to the Subspecies of Xiphocolaptes emigrans 236 



5. Xiphocolaptes emigrans emigrans Sclater and Salvin 237 



6. Xiphocolaptes emigrans sclateri (Ridgway) 238 



7. Xiphocolaptes emigrans omiltemensis Nelson 239 



8. Xiphocolaptes emigrans costaricensis Ridgway 239 



Genus 3. Xiphorhynchus Swainson 239 



Key to the Species and Subspecies of Xiphorhynchus 240 



9. Xiphorhynchus lachrymosus lachrymosus (Lawrence) 242 



10. Xiphorhynchus lachrymosus eximius (HellmajT) 243 



11 . Xiphorhynchus flavigaster flavigaster Swainson 244 



12. Xiphorhynchus flavigaster mentalis (Lawrence) 247 



13. Xiphorhynchus flavigaster mcgarhynchus (Nelson) 248 



14. Xiphorhynchus flavigaster yucatanensis Ridgway 248 



15. Xiphorhynchus striatigularis (Richmond) -. 249 



16. Xiphorhynchus nanus nanus (Lawrence) 250 



17. Xiphorhynchus nanus costaricensis (Ridgway) 252 



18. Xiphorhynchus nanus confinis (Bangs) 253 



19. Xiphorhynchus erythropygius (Sclater) 254 



20. Xiphorhynchus punctigulus punctigulus (Ridgway) 255 



21. Xiphorhynchus punctigulus insolitus Ridgway 257 



