. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. Dipsas oreas Complex in Ecuador and Peru • Cadle 105. Figure 18. Variation in color pattern of adult male Dipsas oreas (Cope) from the Rio Zana Study Site (Cajamarca department, Peru). Top: left, ANSP 31779 (547 mm SVL); right, ANSP 31778 (424 mm SVL). Bottom: left, ANSP 31786 (543 mm SVL); right, ANSP 31780 (513 mm SVL). males are of comparable sizes, but one (ANSP 31779; 547 mm SVL) retains a highly contrasting pattern, whereas the other (ANSP 31786; 543 mm SVL) is less contrasting but not as uniform as the
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. Dipsas oreas Complex in Ecuador and Peru • Cadle 105. Figure 18. Variation in color pattern of adult male Dipsas oreas (Cope) from the Rio Zana Study Site (Cajamarca department, Peru). Top: left, ANSP 31779 (547 mm SVL); right, ANSP 31778 (424 mm SVL). Bottom: left, ANSP 31786 (543 mm SVL); right, ANSP 31780 (513 mm SVL). males are of comparable sizes, but one (ANSP 31779; 547 mm SVL) retains a highly contrasting pattern, whereas the other (ANSP 31786; 543 mm SVL) is less contrasting but not as uniform as the two females (Fig. 18). Two smaller males (ANSP 31778, 31785; 424 and 506 mm SVL, respectively) retain highly contrast- ing patterns, whereas two others (ANSP 31780, 31783; 513 and 497 mm SVL re- spectively) have reduced contrast (Fig. 18). A female (326 mm SVL) from another locality in northern Peru (MUSM 16750) has a highly contrasting pattern on the an- terior body and much reduced contrast posteriorly (Fig. 16 and detailed color de- scription above). Thus, in the Rio Zana population, fe- males possibly lose the highly contrasting juvenile patterns, whereas in males, the ex-. 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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