XX CONTENTS. 



Fage. 



Key to the Species and Sa)>speeies of Acantliis 80 



20. A^anthi^^ horneinannii hornenmnnii ( Holboll ) .' 80 



21. Acanthis horneinannii exihpes (Cones) 82 



22. Acanthis linaria linaria (Linnteus) 85 



23. Acanthis linaria holboeHii (Brehm) 89 



24. Acanthis linaria rostrata (Coues) 91 



25. Acanthis ])rewsterii Ridgway 92 



Genus 7. Carduelis Brisson 93 



26. Carduelis carduelis (Linmeus) 94 



Genus 8. Spinus Koch 95 



Key to the Species and Subspecies of Spinus 96 



27. Spinus pinns pinus (Wilson) 97 



28. Spinus pinus niacropterns (DuBus) '00 



29. Spinus atriceps (Salvin) 100 



30. Spinus notatus notatus (DuBus) 102 



31. Spinus notatus forreri (Salvin and (lodnmn) - - 103 



32. Spinus cucuUatus (Swainson) 104 



33. Spinus xanthogaster (DuBus) - 105 



Genus 9. Loxiinitris Bryant 106 



34. Loxiniitris doniinicensis (Bryant) 107 



Genus 10. Astragalinus Cal)anis 107 



Key to the Species and Subspecies of Astragalinns 108 



35. Astragalinns tristis tristis (Liiuifeus) 109 



36. Astragalinns tristis pallidus ( Mearns) Ill 



37. Astragalinns tristis salicamans (Grinnell ) 112 



38. Astragaliinis psaltria psaltria (Say) .'. 114 



39. Astragalinns psaltria arizona) (Coues) 115 



40. Astragalinns psaltria mexicanus (Swainson ) 117 



41 . Astragalinns psaltria croceus (.Tony) 1 18 



42. Astragalinns psaltria jonyi Ridgway 120 



43. Astragalinns psaltria colmnljianus (Lafresnaye) 1 20 



4 4. Astragalinns lawrencii (Cassin) 121 



Genus 1 1 . Carpodacus Kaup ■. 1 23 



Key to the Species and Subspecies of Carpodacus 1 24 



45. Carpodacus cassinii Baird 126 



46. Carpodacus purpureus purpereus (Gmelin) 128 



47. Carpodacus purpureus californicus (Baird) 130 



48. Carpodacus mexicanus mexicanus ( Mi'iller) 131 



49. Carpodacus mexicanus roseipectus (Sharpe) 133 



50. Carpodacus mexicanus rhodocolpus (Cabanis) 134 



51 . ( 'arpodacus mexicanus sonoriensis Ridgway 135 



52. Carj)odacus mexicanus ruberrimus Ridgway 1 36 



53. Carpoda<-us mexicanus frontalis (Say) 137 



54. Carpodacus mexicanus dementis (Mearns) 140 



55. Carpodacus mcgregori Anthony 141 



5H. Carpodacus ampins Ridgway 142 



Genus 1 2. Passer Brisson 143 



Key to the American (introduced) Species of Passer 143 



57. Passer domesticus ( Linnteus) 143 



58. Passer montanus (Linnfeus) 145 



Genus 1 3. Passerina Vieillot 146 



Key to the Species and Subspecies of Passerina 147 



59. Passerina nivalis nivalis (Linna;us) 148 



