Gen. Hydrotæa, Macq.

93. Hydrotæa solennis, n. s., mas. Nigra, capite cano, thorace subcinereo nigro-trivittato, abdomine longi-obconico, tibiis ferrugineis, alis subcinoreis.

Male. Black. Head hoary in front. Thorax slightly cinereous, with three black stripes. Abdomen elongate-obconical. Tibiæ ferruginous. Wings slightly greyish; veins black, testaceous at the base; cubital and præbrachial veins slightly diverging for nearly two-thirds of their length from the præbrachial transverse vein, very slightly converging from thence to the border; discal transverse vein oblique, curved inward in the middle, parted by about its length from the præbrachial transverse and by little more than half its length from the border. Alulæ greyish. Length of the body 2¾ lines; of the wings 5 lines.

Mount Ophir, at the height of 4000 feet.

94. Aricia patula, n. s., mas. Nigra sat lata, antennis, thoracis lateribus, abdomine pedibusque fulvis, abdominis apice tarsisque nigris, alia cinereis.

Male. Black, rather broad. Eyes bright red. Antennæ, sides of the thorax, scutellum, abdomen and legs tawny. Abdomen hardly longer than broad, black towards the tip. Tarsi black. Wings and alulæ grey; veins black, tawny towards the base; cubital and præbrachial veins diverging for more than two-thirds of their length from the præbrachial transverse, parallel from thence to their tips; discal transverse vein very oblique, curved inward near its hind end, parted by more than half its length from the border, and by very little more than its length from the præbrachial transverse vein. Length of the body 3½ lines; of the wings 7 lines.

Singapore.

Subfam. Helomyzides, Fallen.

Gen. Xarnuta, n. g. (Plate I. fig. 4.)

Helomyzæ affinis; mas et fœm. Corpus sat latum. Antennarum articulus 3us linearis; arista nuda. Femora antica subtùs tenuiter spinosa. Alæ latiusculæ.