CONTENTS 



Page 



Introduction 1 



Acknowledgments 1 



Order Passeriformes 2 



Family Dendrocolaptidae : Woodcreepers ; Trepadores 2 



Family Furnariidae : Ovenbirds, Spinetails, and Leaf-scrapers ; 



Horneros, Canasteros y Hojarasqueros 56 



Family Formicariidae : Ant-Thrushes, Ant-Shrikes; Hormigueros 120 



Family Rhinocryptidae : Tapaculos ; Tapaculos 254 



Family Cotingidae : Cotingas ; Cotingas 261 



Family Pipridae : Manakins ; Saltarines 309 



Family Tyrannidae : Tyrant Flycatchers ; Atrapamoscas 356 



Family Oxyruncidae : Sharpbills ; Picos Agudos 601 



Index 607 



LIST OF ILLUSTRATIONS 



Frontispiece — The spiny-faced ant-shrike, hormiguero frentispinoso, 

 Xenornis sctifrons. 



Figure 



1. Brown woodcreeper, trepador pardo, Dcndrocincia fiiliginosa ridgwayi 5 



2. Olivaceous woodcreeper, trepador aceitunado, Sittasomus griscicapillus 17 



3. Barred woodcreeper, trepador barreteado, Dendrocolaptes certhia 



nigrirostris 26 



4. Black-striped woodcreeper, trepador listado, Xiphorhynclms lachry- 



mosus lachrymosus 39 



5. Red-billed scythebill, trepador pico de garfio, Campylorhamphus 



trochilirostris brevipcnnis 51 



6. Pale-breasted spinetail, canastero pechiblanco, Synallaxis albescens 



latitabunda 60 



7. Spotted barbtail, fafao punteado, Premnoplex brunnescens 76 



8. Lineated leaf-gleaner, hojarasquero rayado, Syndactyla subalaris . . . 85 



9. Plain xenops, pico lezna pechirrayado, Xenops miniitus 107 



10. Scaly-throated leaf-scraper, raspahoja garganta escamosa, Sclenirus 



guatemalensis 115 



11. Fasciated ant-shrike, hormiguerote rayado, Cymbilaiiiius Uneatus 



fasciatus, male 125 



12. Great ant-shrike, hormiguero grande, Taraba major melanocrissus, 



male 130 



13. Barred ant-shrike, pavita hormiguera rayada, Thamnophilus doliatus, 



male right, female left 133 



14. Pygmy ant-wren, hormiguerito pigmeo, Mynnothernla brachyura 



ignota, male 162 



15. Streaked ant-wren, hormiguerito rayado, Myriitotherula surina)nensis 



pacifica 165 



