296 Mr. F. Walker's Characters of undescribed Diptera 



angle at its base, near which it is sligl)tly curved inward, and is 

 thence straight to its tip ; discal transverse vein nearly straight, 

 parted by a little less than its length from the border, and by 

 hardly more than half its length from the flexure of the prac- 

 brachial ; alulae whitish cinereous. 



Length of the body 5 lines ; of the wings 10 lines. 

 Brazil. 



Genus Jurinia, Desvoidy. 

 Jurinia debliiix. 



Foem. — Nigra, nigro-setosa, capite testaceo, frontalibus ferru- 

 gineis, palpis testaceis, antennis piceo-nigris, articulis 2° et 3° 

 sub-aequalibus, thorace cinereo viitis vix conspicuis nigris, 

 lateribus scutelloque ferrugineis, abdomine ferrugineo spinis 

 plurimis nigris armato, alis angustis fuscescente cinereis, basi 

 fulvis. 



Female. — Black, with numerous black bristles: head testaceous 

 in front and beneath ; frontalia ferruginous ; epistonia very {)ro- 

 minent, with a few black bristles on each side; palpi testaceous; 

 antennae piceous-black ; third joint elongate, oval, as long as the 

 second ; arista much longer tlian tlie third joint ; thorax with 

 cinereous tomentum, and with very indistinct black stripes, its 

 sides and the scutellum dark ferruginous ; abdomen dark ferru- 

 ginous, much broader than the thorax, very thickly beset with 

 black spines ; legs bristly ; wings narrow, brownish cinereous, 

 tawny at the base ; veins black, mostly tawny towards the base ; 

 prsebrachial vein forming a right well-defined angle, with the 

 usual inward curve, and thence nearly straight to its tip, which is 

 at some distance in front of the tip of the wing ; discal transverse 

 vein long, oblique, hardly uiidulating, parted by much less than 

 its length from the border, and from the flexure of the prae- 

 brachial ; alulae dark cinereous. 



Length of the body 6 lines; of the wings 13 lines. 



Mexico. 



Jurinia innovata. 

 Foem. — Nigro-cyanea, setosa, valida, capite aeneo-viridi alho- 

 tomentoso, frontalibus atris, palpis antennisque nigris, horum 

 articulo 3° basi ferrugineo, aristae dimidio basali robusto, ab- 

 domine spinis duabus mediis plurimisque apicalibus, pedibus 

 nigris, alis obscure cinereis gutta basali nigricante, vena 

 iransversd praebrachiali nigro-nebulosa, alulis nigricantibus. 



Female. — Dark blue, bristly, stout : head aeneous green, white 



