TABLE SHOWING THE VARIATIONS IN SOME OF THE MORE IMPORTANT SPECIFIC CHARACTERS.
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Hab. Sonora, Kansas, N. Texas.
S. viridis.
S. viridi-brunnea; segmento cephalico late ovato, sparse leviter punctato; pedibus flavis; antennis 23 articulatis, plerumque haud pubescentibus; dentibus labialibus 8, duobus intimis utrinque arete coadunatis, externo acuto, sejuncto; laminis dentalibus elongatis; pedibus prostremis subcylindricis, niodice robustis; articulo basali tibiali longiore, supra subconvexo, margine haud elevato, intus 2—5 spinis, subtus 7—12 spinis in serie vel triplici vel quadruplici dispositis, processu angulari 1—2 spinis; appendicibus analibus lateralibus profunde denseque punctatis, interdum elongatis, singula spinis apicalibus 2—5, et interdum altera marginale armata.
Greenish-brown; cephalic segment broadly ovate, sparsely lightly punctate; feet yellow ) antenna 23 articulate, generally not pubescent; labial teeth 8, the inmost two on each side closely coadnate, the external acute, distant; dental lamina elongate; last pair of feet subcylindrical, rather robust; basal joint longer than the tibial, above convex, its margin not elevate, within 2—5 spines, below 7—12 spines arranged in a threefold or fourfold series, angular process 1—2 spines; lateral anal appendages profoundly densely punctate, sometimes elongate, each armed with 2—5 apical spines, and sometimes another marginal.
