816 PROCEEDINGS OF THE ACADEMY OF • [1895. 



others bare; costal spine minute; calypteres white. Length 9.5 mm. 

 Jacksonville, Florida, May 22, 1894, C. W. Johnson. A single 

 specimen. 



SARCOPHAG1DJE. 



JOHNSONIA n. gen. 



First, third and fifth veins bristly, hind cross vein perpendicular^ 

 at two-fifths the distance from the small cross vein to the bend, the 

 latter rectangular and bearing a long appendage, apical cell short 

 petiolate. Antennae nearly as long as the face, arista long plumose 

 on the basal three-fifths, the remainder naked ; sides of face bearing 

 short bristly hairs, at narrowest part nearly half as wide as the 

 median depression, the latter not carinate ; ridges bare, straight, 

 diverging below, vibrissa strong, widely separated, on the oral mar- 

 gin ; cheeks one-sixth as broad as the eye- height, eyes bare ; proboscis 

 much shorter than height of head, labella large, palpi well-developed. 

 Type, the following species : 



Johnsonia elegans n. sp. 9 



Head black, gray pollinose ; front at vertex slightly wider than 

 either eye ; vitta brownish black, next the antenna? half as wide as 

 either side of the front ; only one pair of orbital bristles ; frontal 

 bristles descending to insertion of antenna?, two in each row curving 

 backward ; antenna? dark brown, more than the basal half of the 

 third joint yellow, this joint twice as long as the second : longest 

 hairs of arista over twice as long as its greatest diameter ; proboscis 

 brown, the labella and palpi yellow. Thorax black, gray pollinose, 

 marked with two broad, brownish black vitta?; three postsutural 

 and three sternopleural macrochfeta?; scutellum grayish-black, bearing 

 two pairs of long marginal macrocha?ta?. Abdomen shining yellow- 

 ish, the first three segments tinged in the middle with brown and 

 lightly whitish pollinose ; first segment destitute of dorsal macrocha?ta?, 

 the second with a marginal pair, the third and fourth each with a 

 marginal row ; genitalia yellow, withdrawn into the fourth abdo- 

 minal segment. Legs, including the coxa?, yellow, the tarsi black ; 

 pulvilli scarcely half as long as the last tarsal joint, the claws only 

 slightly longer than the pulvilli. Wings grayish hyaline ; first vein 

 bristly to beyond the branching of the second and third, the latter 

 bristly to the small cross vein, fifth vein bristly to beyond base of 

 discal cell ; costal spine nearly as long as the small cross vein. 



