LIST OF DIPTERA. 533 



abdomen pale ferruginous, a little broader, but not longer than the 

 chest : legs tawny ; hips mostly black ; tips of feet piceous : wings 

 whitish ; wing-ribs, veins, and poisers tawny. Length of the body 

 5 lines ; of the wings 9 lines. 

 a. ? 



Odontomyia Ialemus, n. s., mas. Nigra, capitefulvo, scutelli mar- 

 gine postico fulvo bidentato, abdomine flavo, vitta lata dorsali 

 nigra, antennis rufis apice nigris, pedibus fulvis, alls albidis. 



Head tawny, full as broad as the chest, clothed beneath with 

 white hairs; hypostoma pale yellow: eyes reddish bronze, convex, 

 their facets of moderate size ; small part in front flat, composed of 

 very small facets : mouth black : feelers pale red, with black tips : 

 chest and breast black, thickly clothed with tawny hairs ; hind bor- 

 der of the scutcheon tawny, armed with two tawny teeth : abdomen 

 yellow, a little broader, but not longer than the chest, clothed with 

 short shining white hairs ; a very broad black stripe occupies most 

 of the disk of the back : legs tawny ; thighs clothed with white 

 hairs ; feet piceous towards the tips : wings whitish ; wing-ribs and 

 veins tawny; poisers tawny, with apple-green knobs. Length of 

 the body 4j — 5 lines ; of the wings 8 — 9 lines. 



a. Van Dieman's Land. Presented by the Rev. T. Ewing. 



Odontomyia Hydrodromia, Macq. Hist. Nat. Dipt. i. 247, 7. Stra- 

 tiomys Hydrodromia, Meig. Dipt. iii. 146, 15. 



a. ? 



b. ? 



Odontomyia Balius, n. s., mas. et fern. Nigra, abdominis lateri- 

 bus albo trifasciatis, apice albo, antennis pedibusque nigris, alis 

 subcinereis ad costam subfuscis. 



Body black : head and chest thickly clothed with pale dull 

 tawny hairs : mouth, feelers and eyes black, the latter very hairy : 

 abdomen hardly longer than broad, a little longer and much broader 

 than the chest, more thinly clothed with shorter and brighter tawny 

 hairs, adorned with three white cross streaks on each side of the 

 hind borders of the segments, and with a white tip ; underside 

 black : legs black, clothed with pale short tawny hairs; feet covered 

 beneath with ferruginous hairs ; foot-cushions pale tawny ; claws 

 red, with black tips : wings slightly gray, tinged with brown along 

 the fore borders for more than half the length ; wing-ribs pitchy ; 

 veins tawny ; poisers white. Length of the body 4 — 4| lines ; of 

 the wings 8 — 9 lines. 



a. Albania. Presented by W. W. Saunders, Esq. 



b. France. 



c. ? 



PART III. 3 B 



