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Show 32 MR. C. V. A. PEEL AND OTHERS ON [Jan. 23, PLOCEDERUS MELANCHOLICUS Gahan, var. Central or East Somaliland (1897). This variety occurs also in South Arabia and in British East Africa. PLOCEDERUS PEELI Gahan, Ann. & Mag. Nat. Hist. (7) ii. p. 42 (1898). Somaliland (1895 or 1897). One example. Co-type in Hope Collection. This species has been found in British East Africa as well as in Somaliland. PACHYDISSUS (DEROLUS) SOMALICUS Gahan, sp. n. Piceo-brunneus, griseo-pubescens; prothorace supra rugoso, paullo rotundato, area opaca excisa inter notum pleururn-que; elytris absque punctis (punctulis minutissimis pubescentiam gerentibus exceptis) ; femoribus subtus leviter bicarinatis; ( 2 ) quam corpore paullo brevioribus. Long. 17, lat. 4 mm. Hab. Somaliland (1895 or 1897). One example. Type in British Museum. Head and prothorax dark brown, with a greyish pubescence. Head with a sulcate impression on the vertex between the upper lobes of the eyes. Prothorax a little longer than broad; transversely wrinkled above; slightly rounded in the middle on each side, with a small excised space, bare of pubescence, just below the pronotum. Elytra parallel-sided throughout the greater part of their length, rounded at the apex ; clothed with a short closely laid grey pubescence, and devoid of all punctures, excepting those very minute ones from which the hairs of the pubescence spring. Femora feebly carinate along each side near the ventral border. Prosternal process subvertical behind ; the small antero-lateral processes of metasternum almost completely shutting off the epimera from the intermediate cotyloid cavities. PHYLLOCNEMA SEMIJANTHINA Fairm. Central or East Somaliland (1897). Two examples. ALPHITOPOLA PEELI Gahan, sp. n. Fusca ; capite, prothorace, scutello et corporis inferioris pube fulvo-ferruginea obtectis; elytris fuscis, vitta suturali vitta postica submarginali cinnamomeis, utroque elgtro puncta basali et maculis quatuor-duabus (quarum interna elongato-ovali, medio fusco-punctata) ante medium, duabus (elongatis et postice conjunctis) pone medium-niveis ornato. Long. 17, lat. 5| mm. Hab. Galadi in N.W. Somaliland. One example, Oct. 4, 1897. Type in British Museum. Head and prothorax dark brown, covered with a short reddish-tawny pubescence. Prothorax transverse; with a small blunt tubercle at the middle of each side; with two transverse sulcate impressions near the base and two near the apex. Elytra dark brown, somewhat thickly punctured, with the punctures rather large near the base and diminishing in size posteriorly ; a sutural |