On new Genera and Species of Cohoptera. 403 colouring of the upper j)luinage, by the primaries being barred throughout their hiugth, by the minor coverts being barred, and by the distinct barring of tlie tail. Pomatorhinus Maria;, n. sn. / A. A stripe commencing at the nostril, and which passes back over the eye and down the sides of the neck, wliite, but partly rusty fulvous near the nostril ; above this white stri{)e, and bordering its length, a narrow black stri])c ; all the head within the boundaries of the superciliary black stripe and the naj)e dark rusty olive ; rest of upper surface dull olive-brow n, with a rusty tinge ; lores, cheeks, and ear-coverts black ; chin and throat pure white ; flanks, thigh-coverts, and under tail-coverts pale earthy brown, with a rusty tinge ; breast and abdominal region pale creamy white or pale buff, contrasting with tlie pure white throat ; quills and rectrices liver-brown. Wing 3"50 inches, tail 4*25, tarsus 1-12, bill from forehead 1-18. Described from an individual marked a female, and ob-tained in the Tonghoo hills by Lieutenant Wardlaw Ramsay. P. P/uif/reih its nearest ally ; but in it the entire under surface from the chin is bright ferruginous ; it likewise has the entire upper surface of an almost uniform dull olive-brown, with but a faint ferruginous tinge. LI. — Descrijytions of some neio Genera and Species of Coho-ptera from South Africa., Madagascar., Mauritius, and the Seychelle Islands. By Charles O. Waterhouse. Many of the new genera described in this paper have been in the British-Museum collection for some years ; but I have hitherto been unable to obtain names for them — and have been unwilling to describe them, on account of their position in a natural system being very doubtful. I have, however, now determined to make them known, with the view of obtaining the opinions of my entomological friends who are interested in classification. Geodephaga. OzENINM. Pachytcles cstriatus, sp. nov. P. piceus, nitidus; c;ii)ilc licvi, leviter coiivcxo, fronte an tice fovea Icvitcr iraprcssa ; thorace capitc jiaulo latiore, lac vi, post ice fortitcr
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