152 [December, DESCKIPTION OF A NEW MAEITIME FLY BELONaiNG TO THE FAMILY SCATOMYZIDES, FALLEN. BY R. n. MEADE. The following Dipteron occupies a position intermediate between those in the genera Scatopha(ja and Cordi/lura. It has the elongated horny proboscis with the numerous vibrissse, o£ the species in the former genus, and the sub-cylindrical, incurved, clubbed male abdo-men of those in the latter. I propose to place it in a new genus, whicb I shall call Ceratino-stoma. Schiner describes a new Cordylura (lurida), which, from his account, should also be placed in the new genus. CEEAT] NO STOMA, g. n. Gen. ell. — Caput modice latum; ocuU suh-rotundi, genas ne Jonge tegenti ; antennce hreves, truncatce, epistoma distantes ; arista tenuis, plumata, articulo seciindo prodiicto, et spissato ; setce orales plures ; proboscis elongata, acuminata, cornea ; palpi longi^jili formes, suh-clavafi. Tliorax ellipticus. Abdomen Q-annuIattcm, mare sub-cylindricum, fusi-forme, apice incurvato clavato,femind sub-ovatum, ano aciito. ^cutelluni ^-spinosum. AI(B abdomine longiores. Pedes validi, tibiis setosis. Corpus p>arce pilosum. C. MARITIMUM, Sp. n. Plumheo-nigricans opaciim, thorace olivario-fusco pollinoso, suh-striato ; paJpis pallidis, hreviter nigro-setosis ; proboscide nigro-picea ; pedibus plumbeis, tibiis posticis iritus villosis, tarsis omnibus subtiis falvo-hirtis. Long., (? e^ $ , 8 vim. Head : eyes rather small, oval, widely and nearly equally separated in both sexes ; frontal stripe black, having a brownish tinge on the vertex, and being velvety black in both sexes in front over the antennae ; face extending somewhat obliquely backwards ; epistome but little prominent ; cheeks extending below the eyes, having their front part, together with the face, of a silvery-white colovir with blue reflec-tions ; hinder part of the cheeks, with the occiput, bluish-black, clothed with soft tawny hairs ; frontal bristles extending in a single row along each side of the frontal stripe, from the vertex to the base of the antennae ; those in the posterior half of each row turning outwards, and those in the front half inwards ; oral setae rather short, six to eight in number on each side ; antennae black, the first joint abbreviated, the second somewhat elongated, having a reddisli-brown or grey tinge, with white reflections on the distal margin, and armed with short black bristles ; the third joint oblong, rounded or blunt at the end, and about one and a half times as long as the second ; arista short and mostly somewhat geniculated, the first joint abbreviated, the second two or three times longer than the first, and together with it considerably thickened and clothed with short pubescence ; the third joint slender, four or five times longer than the two others together, feathered with yellowish hairs