OCR Text |
Show 40(3 MR. R. I. POCOCK OX SOME [Dec. 2r tubercular spines and surmounted by a long pointed smooth process; the eye about the middle of the tubercular portion. The posterior elevated area armed with two pairs of long, suberect, divergent spines; a few scattered tubercles elsewhere, and a row of tubercles, of which one towards the lateral margin is larger, along the posterior border. First free tergite with one long spine midway between the middle and the lateral border, and one short submarginal spine; second with two shortish submarginal spines and one long submedian spine on each side; third with one long submedian spine on each side; for the rest the plates show a row of tubercles; anal tergite with a pair of subcentral, larger tubercles, a posterior median cluster, and some marginal tubercles. Sterna with a row of tubercles each. Mandibles large, as thick as the palpi ; basal segment with one superior spine, second segment with about half a dozen tubercular spines of varying size. Palpi (text-fig. 82, A) very long and strong; trochanter with one large upper and under spine, a smaller external spine as well; femur arcuate, armed below with five spines, three of which are proximal, above with a series of four and one more internal, and internally with two; patella with one infero-external and two Text-fig. 82. B Acumontia rostrata, $ $ . A. Lateral view of dorsal surface and palpus of male. B. „ „ „ „ of female. |