. Breviora. 1963 PERICENSIS scarcely noticeable in juveniles, l)ut are definitely swollen in adults in which they change the shape of the head. The rostral is slightly smaller than ai'c the first siipralabials and only its dorsal tip is visible I'roni above. Pairs of niediuni-. 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. , Museum of Compar
. Breviora. 1963 PERICENSIS scarcely noticeable in juveniles, l)ut are definitely swollen in adults in which they change the shape of the head. The rostral is slightly smaller than ai'c the first siipralabials and only its dorsal tip is visible I'roni above. Pairs of niediuni-. 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. , Museum of Comparative Zoology, Harvard University
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