. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. CHICKERING: MICRAT1IENA IN CENTRAL AMERICA 397 in the collection of the Museum of Comparative Zoology has been selected as the hypotype from which the following facts have been derived: Total length mm.; the abdomen has a short conical tubercle at each anterolateral corner (one specimen was found to have these tubercles drawn out into short spines thus illustrating the variability of the species) and a long stout spine at each posterolateral angle (Figs. 1, 2) ; the carapace has a. External Anatomy of Micrathena
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. CHICKERING: MICRAT1IENA IN CENTRAL AMERICA 397 in the collection of the Museum of Comparative Zoology has been selected as the hypotype from which the following facts have been derived: Total length mm.; the abdomen has a short conical tubercle at each anterolateral corner (one specimen was found to have these tubercles drawn out into short spines thus illustrating the variability of the species) and a long stout spine at each posterolateral angle (Figs. 1, 2) ; the carapace has a. External Anatomy of Micrathena Figures 1-5, M. bimucronata Figures 6-8, M. brevipes Fig. 1. Abdomen of female, dorsal view. Fig. 2. Posterior surface of abdomen to show appearance of spines. Figs. 3-5. Epigynum; from below, posterior surface, and right lateral view, respectively. Fig. 6. Body of M. brevi'pes, dorsal view. Fig. 7. Right palpal tarsus and tibia. Fig. 8. Palpal tarsal hook, more enlarged. well defined central fovea and two pairs of moderately clear dorsolateral foveae; the characteristics of the epigynum are shown in Figures 3-5. The species is now known from Guatemala, Costa Rica and 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
