XII TABLE OF CONTENTS. 
Page. 
Genus 8. Hyloctistes Ridgway... .....-----2222-0e0eee ee eec eer eet et 199 
16. Hyloctistes virgatus (Lawrence)......--..------------c2 rect crt 200 
Genus 9. Philydor Spix...........--.--2222-022- cece cece eee ct etter 201 
Key to the Species of Philydor..........-.-.---2---+-02eeee cece esc terres 202 
17. Philydor panerythrus Sclater...........----++-2++---2e eee r terre 203 
18. Philydor fuscipennis Salvin.........--------+2-t2e-ee seer rere eee 204 
Genus 10. Xenicopsis Cabanis............----------0eeee reece eects 205 
Key to the Species of Xenicopsis. .......-.-------+-+++++e222eece errr terete 206 
19. Xenicopsis variegaticeps (Sclater).........------+-----------2er rete 207 
20. Xenicopsis subalaris lineatus (Lawrence) ...---.-------------++++++-- 209 
Genus 11. Automolus Reichenbach. .......-.--------------+-+++ee creer tere 211 
Key to the Species and Subspecies of Automolus. ....-.-.----------+-----+-++ 213 
21. Automolus rubiginosus Sclater......-..--222222-2-0000000ee eee eee 214 
22. Automolus verpacis vereepacis Salvin and Godman......-.-.-.----- 214 
22. Automolus vereepacis 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 hypopheus Ridgway..........-.-..------- 219 
27. Automolus pallidigularis pallidigularis Lawrence...........-.-..-.--- 220 
28. Automolus pallidigularis exsertus Bangs..............-.-.-.-------- 221 
Genus 12. Rhopoctites Ridgway.....-..---.-------+2+22 222222 eee eee eee 222 
29. Rhopoctites rufobrunneus (Lawrence). ........-.-.------+-.-2-2--5- 223 
FaMity DENDROCOLAPTIDA .. sccccecacven ces e ses tes ca csc ciceeeeee sae. 224 
Key to the Genera of Dendrocolaptide................2.-.222222-2- 222222 ee 226 
Genus 1. Dendrocolaptes Hermann............-.-. 022220222 eee eee eee eee 227 
Key to the Species and Subspecies of Dendrocolaptes...........-..-........- 229 
1, Dendrocolaptes sancti-thome sancti-thome (Lafresnaye) .............. 229 
2. Dendrocolaptes sancti-thome hesperius Bangs................2.....- 232 
8. Dendrocolaptes puncticollis Sclater and Salvin....................... 232 
4, Dendrocolaptes validus costaricensis Ridgway..............-.--.---- 233 
Genus 2. Xiphocolaptes Lesson................. 0.022202 2 eee cece eee 235 
Key to the Subspecies of Xiphocolaptes emigrans................2..2.-2.2--. 236 
5. Xiphocolaptes emigrans emigrans Sclater and Salvin.................. 237 
6. Xiphocolaptes emigrans sclateri (Ridgway).............22.2..--.-.00- 238 
7. Xiphocolaptes emigrans omiltemensis Nelson...................-..--- 239 
8. Xiphocolaptes emigrans costaricensis Ridgway...............-.....-. 239 
Genus 3. Xiphorhynchus Swainson. .....-...2.2.-.2.202 0.02 c ee eee cece eens 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)............22.02--0..0000ee 250 
17. Xiphorhynchus nanus costaricensis (Ridgway)......-............... 252 
18. Xiphorhynchus nanus confinis (Bangs).............................. 253 
19. Xiphorhynchus erythropygius (Sclater).............2..0...0.00-2--. 254 
20. Xiphorhynchus punctigulus punctigulus (Ridgway).................. 255 
2i. Xiphorhynchus punctigulus insolitus Ridgway...............0...-... 257 
