PLATE 18 



AVES. 



King Vulture {Sarcorhamphus papa), Black Vulture 

 {Catharista urubu) 



1. Glyph of head of King Vulture, Dresden lib. 



2. Glyph for Nahua day sign, Cozcaquauhtli, Nuttall 5. 



3. Same as fig. 2, Nuttall 41. 



4. Same as fig. 2, Nuttall 5. 



5. Same as fig. 2, Nuttall 4. 



6. Same as fig. 2, showing considerable conventionaliza- 



tion, Nuttall 2. 



7. Same as fig. 2, Nuttall 3. 



8. Same as fig 2, further reduced, Nuttall 18. 



9. Same as fig. 2, Nuttall 3. 



10. Same as fig. 2, Nuttall 20. 



11. Probably a Black Vulture, Tro-Cortesianus 95c. 



12. Black Vulture, Tro-Cortesianus 70a. 



13. Same, Dresden 17b. 



14. Possibly a Black Vulture, Chichen Itza, Monjas, east 



(Maudslay, III, PI. 13). 



15. Head of Black Vulture, Nuttall 32. 



16. Glyph of head of same, Dresden 54b. 



17. Black Vulture, Tro-Cortesianus 36b. 



18. Head of same, Tro-Cortesianus 26c. 



19. Same, Dresden 39c. 



20. Same, Nuttall 19. 



21. Same, Nuttall 34. 



22. Same, Dresden 37c. 



23. Same, Nuttall 27. 



24. Same, Nuttall 1. 



25. Same, Nuttall 34. 



26. Same, Nuttall 9. 



27. Same, Tro-Cortesianus 19b. 



