igii.] G. RiCARDO : Revision of the species of Tabaiuis. 189 



species one after the other in his List Diptera, v, without discover- 

 ing their identit^^ 



His type (female) from Mr. Argent's coll. and another male 

 from Hon. E. India Company's Coll. are both from Java and well 

 preserved, and from these the following notes are taken. 



2 . A large easily distinguished insect, the first posterior cell 

 of the wing closed with a rather long petiole reaching the border ; 

 blackish, the thorax covered with fulvous tomentum and the seg- 

 mentations of the abdomen fuhous. lycngth 25 mm., the ■Mac- 

 quart specimens 22 mm. 



Face covered with fulvous tomentum and with brownish pubes- 

 cence. Beard brown, in one of the Macquart specimens it appears 

 to be mostly golden yellow. Palpi large, stout, black, wdth black 

 pubescence. Antennae black, stout, the first two joints with black 

 hairs, the third joint with a large tooth, and broad at base. 

 Forehead and subcallus the same colour as face, the former very 

 narrow anteriorly, at the vertex quite double the width, about ten 

 times as long as it is wide, the frontal callus reddish broAvn, very 

 long and narrow, almost reaching the e3^es with a long stout lineal 

 extension. Bj^es as remarked b}" Walker wdth the facets a little 

 larger above. The bright coloured thorax with some scattered 

 3^ellow hairs, the sides with black hairs ; breast same colour as 

 thorax wdth long yellow pubescence and some browm hairs. 

 ScuteUum similar to thorax. Abdomen broad, the lighter segmenta- 

 tion most apparent on the first four segments ; under side wdth 

 whitish segmentations. Legs wholly black, fore tibiae with some 

 greyish tomentum, pubescence black. Wings tinged deepl}^ reddish 

 3'ellow, stigma yellowish, veins ^^ellow, 



a' identical. Eyes with the large facets hardly reaching 

 beyond the apex of the frontal triangle, and the small facets not 

 reaching the vertex. Length 21 mm. 



Tabanus crassus, c^ , Walker. 



Dipt. Saund., i, p. 50 (1850). 



Type male from K. India (Saunders coll.), and other males 

 from Karwan, N. Kanara, India (Bell) ('' in bungalow "), Hong- 

 kong (Walker), in Brit. Mus. coll. 



In Howdett coll. two males fromPusa, Bengal (" in Ijungalow "j 

 In Kertesz coll. males from Formosa. 



This species , of wdiich curiously enough no females appear to have 

 l)een collected, is an easily recognized l)lackish species, the first two 

 segments of the abdomen covered wdth a hoary tomentum ; wings 

 clear , the first posterior cell narrower at opening. Antennae reddish. 

 Palpi and legs blackish. Length of type 19 mm., others 15 — 20 mm. 



Face and subcallus covered with >'ellowdsh brown tomentum, 

 the former wdth blackish brown hairs. Beard the same colour, 

 thick. Palpi black wdth grey tomentum and black hairs. Antennae 

 dull reddish yellow, l)lack on ai)ex,tlu' first two joints with black 



