TABLE OF CONTENTS. IX 



Page. 



20. Aratinga rubritorquis (Sclater) 156 



21. Aratinga holochlora holochlora (Sclater) 157 



22. Aratinga holochlora strenua (Ridgway) 158 



23. Aratinga brevipes (Lawrence) 159 



24. Aratinga euops (Wagler) 160 



Genus G. Eupsittula Bonaparte 161 



Key to the species and subspecies of Eupsittula 163 



25. Eupsittula pertinax pertinax (Linnaeus) 164 



26. Eupsittula pertinax xanthogenia (Bonaparte) 166 



27. Eupsittula pertinax arubensis (Hartert) 167 



28. Eupsittula ocularis (Sclater and Salvin) 167 



29. Eupsittula canicularia (Linnaeus) 168 



30. Eupsittula astec (Souanc6) 171 



31. Eupsittula nana (Vigors) 174 



32. Eupsittula (?) labati (Rothschild) 175 



Genus 7. Pyrrhura Bonaparte 175 



33. Pyrrhura hoffmanni hoffmanni (Cabanis) 176 



34. Pyrrhura hoffmanni gaudens Bangs 178 



Genus 8. Bolborhynchus Bonaparte 178 



Key to the Species and Subspecies of BolborhjTichiLs 179 



35. BolborhjTichus lineola lineola (Cassin) 179 



Genus 9. Brotogeris Vigors 182 



Key to the Species of Brotogeris 183 



36. Brotogeris jugularis (Miiller) 183 



Genus 10. Psittacula llliger 187 



Key to the Species and Subspecies of Psittacula 188 



37. Psittacula cyanopygia cyanopygia Souanc^ 191 



38. Psittacula cyanopygia pallida Brewster 193 



39. Psittacula insularis Ridgway 193 



40. Psittacula spengeli Hartlaub 194 



Genus 11. Urochroma Bonaparte 196 



Key to the Species of Urochroma 197 



41. Urochroma dilectissima Sclater and Salvin 199 



42. Urochroma costaricensis Cory 200 



Genus 12. Pyrilia Bonaparte 201 



Key to the Species and Subspecies of Pyrilia 202 



43. Pyrilia haematotis haematotis ( Sclater and Salvin) 203 



44. Pyrilia haematotis coccinicollaris (Lawrence) 206 



Genus 13. Pionus Wagler 206 



Key to the Species of Pionus 208 



45. Pionus menstruus (Linnaeas) 210 



46. Pionus senilis (Spix) 214 



Genus 14. Amazona Lesson 217 



Key to the Species and Subspecies of Amazona 218 



47. Amazona imperialis Richmond 222 



48. Amazona violacea (GmeUn) 224 



49. Amazona guildingii (Vigors) 225 



50. Amazona versicolor (Miiller) 227 



51. Amazona arausiaca (Miiller) 229 



52. Amazona martinlcana A. H. Clark 231 



53. Amazona auropalliata (Lesson) 231 



54. Amazona autumnalis autumnalis (Linnaeus) 234 



