20. Tabanus univentris, _Walk. Cat. Dipt._ pt. 1. 151.

The description in the above reference will not well apply to the two

following varieties of this species.

_Var. 1._ _Female._ Brown. Head testaceous in front and beneath.

Thorax with two testaceous stripes. Abdomen ferruginous, tawny

beneath and with a dorsal stripe of tawny triangular spots. Legs

blackish; femora and tibiæ partly testaceous. Wings dark grey.—_Var.

2._ Like Var. 1. Abdomen blackish above, with a dorsal stripe of

testaceous spots.

Mount Ophir. Inhabits also Borneo.

21. TABANUS PARTITUS, n. s., fœm. Nigricans, subtùs albidus, antennis

fulvis apice nigris, thorace cinerascente cano-quadrivittato,

abdomine piceo albido-trivittato, pedibus testaceis, femoribus

tibiisque apice tarsisque nigricantibus, alis subcinereis.

_Female._ Blackish; underside and head behind with whitish tomentum.

Antennæ dull tawny, black towards the tips; angle of the 3rd joint

minute and obtuse. Thorax greyish, with four hoary stripes. Abdomen

piceous, with three whitish stripes. Legs testaceous; tarsi and tips

of the femora and of the tibiæ blackish. Wings greyish, stigma and

veins black; fore branch of the cubital vein simple, nearly

straight. Length of the body 6 lines; of the wings 10 lines.

Singapore.

_Note._—_T. rubidus_, Wied., is very closely allied to the above

species, but may be distinguished from it by the following characters.

_T. rubidus._ Front with the callus quite entire. Antennæ blackish.

Middle stripe of the abdomen composed of triangular spots. Wings

greyish.

_T. partitus._ Smaller. Front with the callus almost interrupted.

Antennæ pale tawny, with darker tips. Middle stripe of the abdomen

entire, parallel. Wings quite limpid.

Gen. CHRYSOPS, _Meigen_.

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