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. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Fig. 9. Head scales of Riopa laeviceps Peters. Adult measuring 80 mm. from snout to vent. race of modesta; the above series, which agrees admirably with Peters's description of laeviceps, represents a distinct species which is recogniz- able by its longer, less depressed snout, larger fronto-nasal, much longer and narrower frontal, the presence of 4, instead of 3, labials an- terior to the sub-ocular, and the tricarinate scales in the young. The head shields are very constant in all the specimens examined, and the dif
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Fig. 9. Head scales of Riopa laeviceps Peters. Adult measuring 80 mm. from snout to vent. race of modesta; the above series, which agrees admirably with Peters's description of laeviceps, represents a distinct species which is recogniz- able by its longer, less depressed snout, larger fronto-nasal, much longer and narrower frontal, the presence of 4, instead of 3, labials an- terior to the sub-ocular, and the tricarinate scales in the young. The head shields are very constant in all the specimens examined, and the differences in proportions are readily appreciable by a comparison of the accompanying figures (figs. 9 & 10).. 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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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology