. British dragonflies (Odonata). Dragon-flies; Odonata -- Great Britain. Ervthromuia. 249 with the fore-corners removed, of moderate size, bearing one or two dark hnes. Wing-cases short, 5'5mm. Legs (Fig. 44j rather long, fore- 8'5mm., mid- lomm., hind- 13mm., paler than the general ground-colour; on each femur two conspicuous dark rings, and one near the basal end of the tibi;e ; all the legs have several. Fig. 4v—Part of a Caudal Lamklla of XviiPH of ERVTHROiniA NAIAS. (Much magnified.) longitudinal rows of small dark points. The abdomen tapers gradually to the posterior extremit)', and is i


. British dragonflies (Odonata). Dragon-flies; Odonata -- Great Britain. Ervthromuia. 249 with the fore-corners removed, of moderate size, bearing one or two dark hnes. Wing-cases short, 5'5mm. Legs (Fig. 44j rather long, fore- 8'5mm., mid- lomm., hind- 13mm., paler than the general ground-colour; on each femur two conspicuous dark rings, and one near the basal end of the tibi;e ; all the legs have several. Fig. 4v—Part of a Caudal Lamklla of XviiPH of ERVTHROiniA NAIAS. (Much magnified.) longitudinal rows of small dark points. The abdomen tapers gradually to the posterior extremit)', and is irrorated with small black dots ; the segments are fairly equal, and each, except the tenth, is bounded posteriorly by a row of about eight white dots, very conspicuous on dark specimens. Each segment, except the tenth, has a. 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