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328 of the country. The upper parts of the head, thorax, and abdomen are black, but the sides of a deep ochre or orange colour; wings smoke brown, the stigma dark; legs ochreous, the tarsi dusky.

TABANUS TROPICUS. XXXIV. Fig. 2. Linn. Panzer, &c.

exemplifies the well-known tribe of horse-flies, which are so troublesome in warm weather, by fixing on these animals, and sucking their blood. This species is not one of the most common, but it occurs now and then throughout the country. The antennæ are ferruginous, dusky at the apex; eyes green, with three transverse rays of purple; thorax shining dark brown, with indistinct grey lines on the back; abdomen black, the first four segments widely fulvous at the sides, and the segments margined with the same colour behind; belly fulvous, dusky behind; tibiæ ferruginous, the anterior brown before the middle, the others generally somewhat dusky at the apex; tarsi black.

DIOPSIS ICHNEUMONEA. XXXIV. Fig. 3. Donovan's Indian Insects. group presents the remarkable singularity of having the eyes placed on long footstalks, whence the species are sometimes called telescopic flies. The antennæ are inserted on these lateral elongations. The abdomen is narrowed at the base