of the Famift/ 'I'abaiiidio. 10^ 



present at l)a.sc of wini^s and on hrca.st. 8cutelliim witli a 

 fringe of short silky yellow liaiis. IlalttMcs yellow. Abdo- 

 men clothed with black pubescence; a small hoary grey spot 

 on each side of tlic third segment and a large oblong one on 

 the fourth segment, extending from each side towards the 

 middle; these spots are still more distinct on t.jie underside 

 of abdomen, fornn'ng a wave-like band on the tburtli segment. 

 Legs black ; anterior tibia with greyish pubescence. Wings 

 hyaline, yellow at base and on the fore border; veins yellow. 

 Posterior cells open, also the anal cell ; the anal vein is curved. 

 Length 15 millim. 



I/(il>. Cliilo(>, S. America. 



^PeJecorhynchus auratifiacus^ ? , sp. n. (PI. L fig. 2.) 



Peddish brown. Antenna; and palpi red; the latter short, 

 clothed with orange-yellow hairs; the beard and hairs on the 

 breast are the same colour ; the face and frontal stripe are 

 light ferruginous, clothed with short yellow pubescence. 

 Tiiorax covered with orange-rufous hairs, very deep in colour 

 on the sides and on the seutellum ; there is a large tuft of 

 white hairs below the root of the wings. Abdomen clothed 

 witii dense orange-rufous pubescence; the last segment; is 

 rather bare, with wrinkled transverse lines. Legs yellow, the 

 posterior tibia red. Wings hyaline, yellow at base and on 

 the fore border; transverse veins slightly clouded. All pos- 

 terior cells and tiie anal one open ; anal vein curved. Length 

 15 millim. 



I lab. Chili {Edmonds). 



This may perhaps be the same as Vaugonia viJpes, Macq., 

 Dipt. Exot. Suppl. 4, p. 23, but he takes no notice of the 

 generic characteristics, though a few pages later he describes 

 Pelecorhynchus as a new genus. 



SciONE, Walker. 



Scione, Walker, Dipt. Saund. pt. i. p. 11 (IBoO). 



Didisd, Scliincr, Keisc dci-Novara (180()) ; Verli. zool.-bot. Ges. 

 Wien, xvii. p. 310 (1807). 



This genus was formed by Walker for Pangonia incomphUx, 

 Macq., who based it on the venation of the wings, the fourth 

 posterior cell being closed, besides the first posterior, and the 

 dividing nerve between the second and third posterior cell 

 interrupted. Schiner did not consider he was obliged to 

 make use of the name Scione, but established I h'ciisa fur the 

 same /'. incovtjtlcta and included two new sj)eeies, />. viacidi- 

 ptnni's and distincta. Pangonia siugulun's and albifasciatOj 



