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Show 1892.] ARACHNIDA FROM ALGERIA AND TUNISIA. -/ GEOPHILUS FERRUGINEUS, Koch. Hammam Meskoutine. DIPLOPODA. Fam. GLOMERID^E. GLOMERIS FUSCO-MARMORATA, Lucas. Algiers, Hammam R'irha. This species appears at most to be but a variety of the S.-European G. conspersa. GLOMERIS FLAVO-MACULATA, LUC. Hammam R'irha. This species also is most probably but a variety of the European G. connexa. Fam. POLYDESMIDJE. B R A C H Y D E S M U S INSCULPTUS, sp. n. Colour pale brown or ochraceous. Moderately robust. Antennae much longer than the width of the body. The first tergite sub-a. Brachydesmus insculptus, sp. n. ; 8th tergite from above. £ „ copulatory foot, external view. c. ',', » » » » internal view. carinate, marked with two transverse depressions, between which run two or three longitudinal grooves with an anterior row of 6 small tubercles, the posterior large tubercles very distinct; the rest of the tergites with the sculpturing very strongly marked, the grooves sharply defining the tubercles; the anterior angle of the keels obtuse but subdentate at the apex, the posterior angle acute and produced ; the side margin of the pore-bearing keels tridentate, of the others bidentate (not including the anterior and posterior angles). Legs short and robust, Copulatory feet strong and falciform, narrower before the apex, which is curved ; below the apex on the inside and on the outside there is a single process, and there are |