. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. EXLINE AND LEVI: SPIDER GENTS ARGYRODES 81 with irregularly distributed pigment. Chelicerae with two or three teeth on anterior margin, one or two posterior (Fig. 76), or a row of equal-sized denticles (each one with diameter less than one-quarter that of teeth). Sternum and lip entire. First leg longest, fourth second in length, third always very short. Fourth tarsus usually without a comb, but with a few serrated bristles. Argyrodes attenuatus has serrated bristles on the pro- lateral side of the distal end of the t


. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. EXLINE AND LEVI: SPIDER GENTS ARGYRODES 81 with irregularly distributed pigment. Chelicerae with two or three teeth on anterior margin, one or two posterior (Fig. 76), or a row of equal-sized denticles (each one with diameter less than one-quarter that of teeth). Sternum and lip entire. First leg longest, fourth second in length, third always very short. Fourth tarsus usually without a comb, but with a few serrated bristles. Argyrodes attenuatus has serrated bristles on the pro- lateral side of the distal end of the tarsus. Comstock (1912, The Spider Book, Doubleday, Page & Co., fig. 324) illustrates a few. Map 3. Distribution of Argyrodes baboquivari new species, A. bicornis , A. concisus new species, A. furcatus (), A. obscurus Keyserling, A. parvus (Exline), A. rioensis new species, A. tri- angularis Taczanowski, and A. trigonum (Hentz).. 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