. Bulletin. Science; Natural history; Natural history. Figure 10. Distribution of Costa Rican frogs of the prosoblepon group: the dotted line indicates the 1500 m Figure 11. Distribution of Centrolenella prosoblepon in Costa Rica: the dotted line indicates the 1500 m 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 Southern California Academy of Sciences. Los Angeles, Calif. : The Academy

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Keywords: ., bookcentury1900, booksubjectnaturalhistory, booksubjectscience