TABLE OF CONTENTS. 



Page. 



Ornithology 1 



Class Avbs 2 



Key to the Subclasses of Aves 3 



Key to the Orders of the Subclass Ornithurse 8 



Order Passeriformes 12 



Key to the Suborders of Passeriformes 14 



Key to the Superfamilies of the Suborder Eleutherodactyli 16 



SUPERFAMILY OsCINES 17 



Key to the Families of Oscines 18 



Family FringillidjE 24 



Key to the Genera of Fringillidre 28 



Genus 1. Hesperiphona Bonaparte 37 



Key to the Species and Subspecies of Hesperiphona 38 



1. Hesperiphona vespertina vespertina (Cooper) 39 



2. Hesperiphona vespertina montana Kidgway : 41 



3. Hesperiphona vespertina mexicana Chapman 43 



4. Hesperiphona abeillii (Lesson) 44 



Genus 2. Loxia Linnaeus 46 



Key to the Species and Subspecies of Loxia , 46 



5. Loxia curvirostra minor (Brehm ) 47 



6. Loxia curvirostra bendirei Ridgway 50 



7. Loxia curvirostra stricklandi Ridgway 52 



8. Loxia leucoptera Gmelin 53 



Genus 3. Pyrrhula Brisson 56 



9. Pyrrhula caasini Baird 57 



Genus 4. Pinicola Vieillot 58 



Key to the Species and Subspecies of Pinicola 1 59 



10. Pinicola enuqleator canadensis ( Cabanis ) 60 



11. Pinicola enucleator alascensis liidgway 63 



12. Pinicola enucleator flammula ( Homeyer) 64 



13. Pinicola enucleator californica Prk e 65 



14. Pinicola enucleator montana Ridgway 66 



Genus 5. Leucosticte Swainson 67 



Key to the Species and Subspecies of Leucosticte 68 



15. Leucosticte tephrocotis tephrocotis Swainson 68 



16. Leucosticte tephrocotis littoralis ( Baird ) 71 



17. Leucosticte tephrocotis griseonucha (Brandt) 72 



18. Leucosticte atrata Ridgway 75 



19. Leucosticte australis Allen .- 77 



Genus 6. Acanthis Bechstein .' 78 



XIX 



