. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Mecynogea, Metinae, Pachygnatha and Azilia North of Mexico • Levi 51. Plate 7, Above, Pachygnatha autumnalis Keyserling, female; below, P. tristriata C. I. Koch, male. Genital opening two or more times its width distant from two tiny sclerites between book-lung spiracles (Fig. 193); closer to spinnerets than to book-lungs (Fig. 193) — dorothea Key to Male Pachygnatha Spur on outside of chelicerae above base of fang (Figs. 215, 227) 2 Chelicerae without such spur (Figs. 166, 203, 239) 4. Please note that these images a

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. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Mecynogea, Metinae, Pachygnatha and Azilia North of Mexico • Levi 51. Plate 7, Above, Pachygnatha autumnalis Keyserling, female; below, P. tristriata C. I. Koch, male. Genital opening two or more times its width distant from two tiny sclerites between book-lung spiracles (Fig. 193); closer to spinnerets than to book-lungs (Fig. 193) — dorothea Key to Male Pachygnatha Spur on outside of chelicerae above base of fang (Figs. 215, 227) 2 Chelicerae without such spur (Figs. 166, 203, 239) 4. 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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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology