Codex Ríos: Origins and Authorship of a Vatican Aztec Manuscript
The Codex Ríos is a rare and enigmatic pictorial manuscript that offers a window into the complex intersection of Indigenous Aztec knowledge and European interpretation. Currently preserved in the Vatican Library, it stands as one of only two Aztec manuscripts known to have been held by the institution during the 16th century. While its visual narrative is striking, the exact date of its production and the identity of its original sources remain subjects of scholarly debate.
Key Facts
- Location: Preserved in the Vatican Library.
- Artist: Likely produced in Rome by a single Italian artist.
- Annotations: Attributed to Pedro de los Ríos, a Dominican friar.
- Content: Covers the Aztec calendar, religious content, and the early Spanish conquest.
- Related Works: Often compared to the Codex Telleriano-Remensis.
The Mystery of Authorship and Production
Unlike many Indigenous codices created by multiple hands, the Codex Ríos displays a uniform style, suggesting it was the work of a single individual. Evidence points to the manuscript being produced in Rome by an Italian artist who worked from an earlier, now uncertain, Aztec source text.
The manuscript is further distinguished by its cursive Italian annotations. These notes are attributed to Pedro de los Ríos, a Dominican friar who served in New Spain from 1547 to 1562. Ríos was a witness to significant historical events, including the Zapotec uprising of 1547—a millenarian rebellion driven by Indigenous prophecies.
Scholar Maarten Jansen suggests that the codex may have been copied shortly before Ríos's death in 1565, entering the Vatican Library's collection before the year 1600.
![Cropped image from the Codex Ríos (f. 87r), depicting a scene from the early years of the Spanish conquest of the Aztec Empire[9]: 70](/images/88/d9/88d906f569fb3815242f21815215c8253c11869688fc6dd2f362576ac3ae3047.jpg)
Comparing the Codex Ríos and Codex Telleriano-Remensis
Much of the academic discussion surrounding the Codex Ríos involves its relationship with another manuscript, the Codex Telleriano-Remensis. Historians have proposed several theories to explain the similarities and differences between the two.
The Copyist Theory
In the 19th century, a common belief was that the Codex Ríos was a copy of the Telleriano-Remensis. However, this theory faces a significant hurdle: the Codex Ríos contains detailed material regarding the early years of the Spanish conquest of the Aztec Empire, which is missing from the Telleriano-Remensis. While some argued the pages were lost after the copy was made, the reverse—that the Telleriano-Remensis was copied from the Ríos—is considered implausible because the former shows the work of multiple Indigenous artists rather than a single hand.
The Hypothetical Source: Codex Huitzilopochtli
To resolve these contradictions, American scholar R. H. Barlow proposed that both manuscripts derived from a now-lost original, which he named the Codex Huitzilopochtli. This name refers to Huītzilōpōchtli, the solar deity who appears at the start of the migration narratives in both surviving texts.
Despite these similarities, differences persist. While both document the Aztec calendar (the complex system of timekeeping used by the Aztecs), the Codex Ríos contains a broader range of religious content. Conversely, the Codex Telleriano-Remensis is noted for its unique approach to historical material and calendrical systems. Professor Juan José Batalla Rosado suggests these discrepancies indicate that the two manuscripts may have been drawn from entirely different sources for certain sections.
Manuscript Comparison Summary
| Feature | Codex Ríos | Codex Telleriano-Remensis |
|---|---|---|
| Artistic Style | Uniform (Single Italian artist) | Diverse (Multiple Indigenous artists) |
| Spanish Conquest Content | Preserved | Missing |
| Primary Focus | Broad religious content & calendar | Unique calendrical & historical treatment |
| Current Location | Vatican Library | Various/Other |
Frequently Asked Questions
Who was Pedro de los Ríos?
Pedro de los Ríos was a Dominican friar active in New Spain between 1547 and 1562. He is credited with the cursive Italian annotations found in the Codex Ríos and was present during the Zapotec uprising of 1547.
What is the Codex Huitzilopochtli?
The Codex Huitzilopochtli is a hypothetical, lost Aztec source text proposed by scholar R. H. Barlow. It is theorized to be the common ancestor of both the Codex Ríos and the Codex Telleriano-Remensis.
Where is the Codex Ríos located today?
The manuscript is preserved in the Vatican Library in Rome, where it has likely been held since before 1600.
How does the Codex Ríos differ from the Codex Telleriano-Remensis?
The Codex Ríos was created by a single artist and includes material on the Spanish conquest that is missing from the Telleriano-Remensis. It also features a wider array of religious content, whereas the Telleriano-Remensis has a distinct treatment of historical and calendrical data.