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Show deeply incised at base, gently curved, the sides parallel to beyond m i d d l e and slightly dilated at apex; upper surface convex, with live narrow undulating carinae, the central one sometimes a little higher than the others ; the two lateral sulci on each side narrow, deep, and of equal length; scrobes deep and lateral; inferior basal furrow very deep. Antennen with the scape reaching eye, the first joint of funicle longer than the second. Prothorax as long as broad, sides subparallel from base to beyond middle, thence rapidly narrowed to apex, anterior margin truncate dorsally; ocular lobes well developed ; upper surface slightly con vex, densely and evenly set with large rounded granules and without any trace of a central furrow, entirely devoid of scaling. Elytra oblongo-ovate, much narrower in <3*, truncate at base, shoulders prominent and subrectangular, sides slightly rounded, broadest about middle; apical processes absent in , very small in $ . Upper surface convex, without any distinct sulci, the whole surface being densely covered with even and regular rows of large rounded granules; these granules bare, and each with a short depressed dark seta ; the interstices entirely devoid of scales, except for a fewT along the extreme lateral margin. Legs rugose, with black setae on the tibiae and a few white ones on the femora ; the inner edges of tibiae strongly dentate; posterior tarsi with the three basal joints sub-equal in length and breadth. Namaqualand : O'okiep (G. Warden). Types , <5 in the South African Museum, £ in the British Museum. Very nearly allied to corpulentus Gyl., which, however, has the rostrum shorter, thicker, and more strongly curved ; the prothorax is also much larger in proportion to the elytra in corpulentus, the elytra are less elongate and jointly sinuate at the base with the humeral angles projecting forwards, whereas in monilis the base is truncate with the shoulders subrectangular. H ip p o r r h in u s d i s p a r , sp. nov. Long. lH -O 1 1 4O ,' lat. 4oi -5 |o 111111. Head convex, with scattered fine punctuation ; forehead with a. deep central impression ; anteocular furrows deep. Rostrum separated from head by a deep incision, as long as protliorax, strongly curved and moderately dilated at apex ; upper surface almost plane, rugosely punctured in the central portion and with a broad smooth central carina ; the lateral sulci broad and deep, the upper pair only uniting at base, the lower pair much shorter ; scrobes deep and lateral; inferior basal furrow very broad and deep. Prothorax broader than long, apex scarcely narrower than base, sides strongly rounded, broadest at middle; apical margin faintly concave dorsally; ocular lobes moderate. Upper surface slightly convex, evenly set with small rounded tubercles, leaving a narrow central furrow containing 110 carina ; tubercles bare, the interstices with a few scattered pale scales. Elytra oblongo-ovate, truncate at base, shoulders prominent and sub- J 906.3 NEW AFRICAN CURCULIONIDiE. • |