XX OONTENTa. 



rage. 



Key to the Species and Subspecies of Acanthis 80 



20. Acanthis hornemannii homemannii ( Holboll ) 80 



21. Acanthis hornemannii exilipes (Cones) - 82 



22. Acanthis linaria linaria (Linnseus) - 85 



23. Acanthis linaria holboellii (Brehm) 89 



24. Acanthis linaria rostrata (Cones) - - • 91 



25. Acanthis brewsterii Eidgway - - 92 



Genus 7. Carduelis Brisson 93 



26. Carduelis carduelis (Linnseus) 94 



Genus 8. Spinus Koch - - 95 



Key to the Species and Subspecies of Spinus 96 



27. Spinus pinus pinus (Wilson) 97 



28. Spinus pinus macroptems (DuBus) ',00 



29. Spinus atriceps (Salvin) 100 



30. Spinus notatus notatus (DuBus) 102 



31. Spinus notatus forreri (Salvin and Godman) 103 



32. Spinus cucullatus (Swainson) 104 



33. Spinus xanthogaster (DuBus) 105 



Genus 9. Loximitris Bryant 106 



34. Loximitris dominicensis (Bryant) 107 



Genus 10. Astragalinus Cabanis ....- 107 



Key to the Species and Subspecies of Astragalinus 108 



35. Astragalinus tristis tristis (Linnseus) 109 



36. Astragalinus tristis pallidus (Mearns) Ill 



37. Astragalinus tristis salicamans (Grinnell) 112 



38. Astragalinus psaltria psaltria (Say) _ 114 



39. Astragalinus psaltria arizonse (Cones) 115 



40. Astragalinus psaltria mexicanus (Swainson) _ 117 



41. Astragalinus psaltria croceus ( Jouy) 118 



42. Astragalinus psaltria jouyi Ridgway 120 



43. Astragalinus psaltria columbianus (Lafresnaye) 120 



44. Astragalinus lawrencii (Cassin) 121 



Genus 11. Carpodacus Kaup 123 



Key to the Species and Subspecies of Carpodacus 124 



45. Carpodacus cassinii Baird 126 



46. Carpodacus purpureus purpereus (Gmelin) . 128 



47. Carpodacus purpureus californicus (Baird) 130 



48. Carpodacus mexicanus mexicanus (Miiller) 131 



49. Carpodacus mexicanus roseipectus (Sharpe) 133 



50. Carpodacus mexicanus rhodocolpus ( Cabanis) 134 



51 . Carpodacus mexicanus sonoriensis Ridgway 135 



52. Carpodacus mexicanus ruberrimus Eidgway 136 



53. Carpodacus mexicanus frontalis (Say) 137 



54. Carpodacus mexicanus dementis (Mearns) 140 



55. Carpodacus mcgregori Anthony _ 141 



56. Carpodacus ampins Ridgway 142 



Genus 12. Passer Brisson _ 143 



Key to the American (introduced) Species of Passer 143 



57. Passer domesticus (Linnseus) I43 



58. Passer montanus (Linnseus) I45 



Genus 13. Passerina Vieillot 146 



Key to the Species and Subspecies of Passerina I47 



59. Passerina nivalis nivalis (Linnseus) _ 14g 



