X TABLE OF CONTENTS. 



Page. 



Genus 10. Myi-mopagis Ridg^vay 65 



Key to the Species and Subspecies of Myrmopagis (i7 



20. MjTmopagis meleena (Sclater) 08 



21. Myrmopagis scliisticolor (Lawrence) 70 



22. Myrmopagis fulviventris (Lawrence) 73 



Genus 11. Microrhopias Sclater 75 



Key to the Sjiecies and Subspecies of Microrhopias 76 



23. Microrhopias boucardi boucardi (Sclater) 78 



• 24. Microrhopias boucardi vit-gata (LawTence) 79 



25. Microrhopias boucardi consobiina (Sclater) 80 



26. Microrhopias grisea alticincta (Bangs) 81 



Genus 12. Terenura Cabanis and Heine 83 



27. Terenura callinota (Sclater) 84 



Genus 13. Ramphocasnus Vieillot 84 



28. RamphociBnus rufiventris rufiventris (Bonaparte) 85 



Genus 14. Microbates Sclater and Salvin 88 



29. Microbates cervineiventris semitorquatus (Lawrence) 89 



Genus 15. Cercomacra Sclater 90 



Key to the Species and Subspecies of Cercomacra 91 



30. Cercomacra nigricans Sclater 91 



31. Cercomacra tyrannina tyrannina (Sclater) 93 



32. Cercomacra tyrannina crepera (Bangs) 95 



Genus 16. Gymnocichla Sclater 97 



Key to the Species and Subspecies of Gymnocichla 98 



33. Gymnocichla nudiceps nudiceps (Cassin) 99 



34. Gymnocichla nudiceps erratilis Bangs 101 



35. Gymnocichla chiroleuca Sclater and Sal\nn 101 



Genus 17. Myrmeciza Gray 103 



Key to the Species and Subspecies of Myrmeciza 105 



36. MjTmeciza boucardi panamensis Ridgway 107 



37. Myrmeciza Isemosticta Salvin 109 



38. Myrmeciza cassini (Ridgway) 110 



39. Myrmeciza exsul exsul Sclater Ill 



40. Myrmeciza exsul occidentalis (Gherrie) 113 



41. Myrmeciza zeledoni Ridgway 114 



Genus 18. Formicarius Boddaert 115 



Key to the Species and Subspecies of Formicarius 117 



42. Formicarius analis nigricapillus (Ridgway) 118 



43. Formicarius moniliger moniliger Sclater 119 



44. Formicarius moniliger intermedins Ridgway 121 



45. Formicarius moniliger pallidus (Lawrence) 121 



46. Formicarius moniliger umbrosus (Ridgway) 122 



47. Formicarius moniliger hoffmanni (Cabanis) 123 



48. Formicarius moniliger panamensis Ridgway 124 



49. Formicarius rufipectus Sali'in 125 



Genus 19. Hylophylax Ridgway 126 



50. Hylophylax mcvioides (Lafresnaye) 128 



Genus 20. Anoi)lops Cabanis and Heine 130 



Key to the Species of Anoplops 131 



51. Anoplops bicolor (Lawrence) 132 



52. Anoplops olivascens (Ridgway) 132 



Genus 21. Phtx?nostictus Ridgway 134 



53. Phtonostictus mcleannaui mcleannani (Lawrence) 135 



54. Phsenostictus mcleannani saturatus (Richmond) 136 



