. British dragonflies (Odonata). Dragon-flies; Odonata -- Great Britain. PvrrJiosoma. 257 line ; hind-margin a little concave ; bearing centrally a palish rectangle, with dark boundar}', and crossed by two small parallel lines ; posterior corners with. Fig. 47.—Nymph of Pyrrhosoma NYiiPHULA. (X A.) conspicuous spines. Prothordx rather small, rectangular, with the four corners rounded, bearincr some whitish. 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 perfect

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. British dragonflies (Odonata). Dragon-flies; Odonata -- Great Britain. PvrrJiosoma. 257 line ; hind-margin a little concave ; bearing centrally a palish rectangle, with dark boundar}', and crossed by two small parallel lines ; posterior corners with. Fig. 47.—Nymph of Pyrrhosoma NYiiPHULA. (X A.) conspicuous spines. Prothordx rather small, rectangular, with the four corners rounded, bearincr some whitish. 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 Lucas, William John. London, L. U. Gill

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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondo, bookyear1900