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Show 1904.J OF THE GENUS HIPPORRHINUS. 57 strongly marked, especially that on interval 2; the tubercles on the px-othorax are smaller and more closely set, and its lateral projection is m u c h blunter and not spiniform as in spectrum. 41. H. SPINIFER Gyl. H. spinifer Gyl. Sehbnh. Gen. Cux-c. v. p. 748 (1840). Long. 7^-10, lat. 3|-5 m m. Head convex, with grey scaling, forehead more or less distinctly wrinkled longitudinally; anteocular fux-rows entirely absent. Rostrum not incised at base, as long as head and px-othox-ax, scai-cely curved and strongly dilated apically. Upper sux-face densely sqxramose, with a deep central furrow throughout and a distinct smooth costa on either side of it; latex-al sulci deep, not uniting at base, the lower one longer but naxrower than the upper; scrobes shallow and latex-al; inferior basal furx-ow absent. Antennas with scape not reachixxg eye; the two basal joints of funicle subequal. Prothorax tx-ansverse, a trifle longer than the width at base, which is equal to tlxe apex, sides dilated and produced behind middle into a sharp spixxe directed backwax-ds, dorsal anterior margin slightly emax-ginate in middle, ocular lobes distinct. Upper surface convex, with a vexy deep centr-al furrow containing rro carina, but flanked on either side by a broad elevated and tuberculated costa bearing a sharply px-omixxent tubex-cle behind ; the space betweexx the costa and lateral spine is smooth like tlxe centx-al furrow; tubercles bare, with short subdepressecl seta?, the interstices clothed with fine grey setiform scaling. Elytra vexy shox-t, broadly ovate, scarcely narrower ixx d", shoulders roundedly prominent, sides ampliated, broadest about middle, apical processes absent. Upper surface convex, with regular but rather interrupted rows of distinct granules ; interval 1 with a row of small separated granules ; intervals 3, 5, and 7 with narrow elevated carixxa? bearing rows of depressed and elongated graxxules; intervals 2, 4, and 6 plane; granules shiny and with depressed pale seta?, the interstices densely clothed with fine grey setiform scaling. Legs elongate, with dense grey setae forming a narrow paler ring near apex of femora; tax-si elongate, posterior pair with the joints of about even width, 2nd and 3rd subequal in length, 1st rather longer. C A P E C O L O N Y : Cape Town {Prof. Lloyd Morgan). T Y P E in Paris Museum {teste Schonherr). A n isolated and aberrant form, yet presenting no definite character which can be regarded as of generic value. It is the only small species possessing a spined prothorax. I a m indebted to Dr. Brauns for thr-ee examples fx-onx Drege's collection, which he obtained from Mr. J. L. Drege of Port Elizabeth. 42. H. HUMERALIS, sp. nov. (Plate I. fig. 10.) Long. 23-28, lat. 10|-12 m m. Head slightly convex, with scattered large punctures and pale |