. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 360 Bulletin Museum of Comparative Zoology, Vol. 148, No. 7. Figure 23. Geographic replacement witiiin the A. rufinucha species-group in South America. Areas of doubtful sympatry are marked "?".. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum

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