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TABLE OF CONTENTS.
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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 Salvin 204 Genus 10. Xenicopsis Cabanis 205 Key to the Species of Xenicopsis 206 19. Xenicopsis variegaticeps (Sclater) 207 20. Xenicopsis subalaris linætus (Lawrence) 209 Genus 11. Automolus Reichenbach 211 Key to the Species and Subspecies of Automolus 213 - 21. Automolus rubiginosus Sclater
214 - 22. Automolus veræpacis veræpacis Salvin and Godman
214 - 22. Automolus veræpacis 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 hypophæus 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 Dendeocolaptidæ 224 Key to the Genera of Dendrocolaptidæ 226 Genus 1. Dendrocolaptes Hermann 227 Key to the Species and Subspecies of Dendrocolaptes 229 1. Dendrocolaptes sancti-thomæ sancti-thomæ (Lafresnaye) 229 2. Dendrocolaptes sancti-thomæ 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 (Hellmayr)
243 - 11 . Xiphorhynchus flavigaster flavigaster Swainson
244 - 12. Xiphorhynchus flavigaster mentalis (Lawrence)
247 - 13. Xiphorhynchus flavigaster megarhynchus (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
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