LIST OF DIPTEEA. 993 



the disk, the second is less oblique than the first, descends further 

 into the disk of the wing, and includes the lower cross-vein ; the 

 fourth almost joins the third, and extends along the fore border to 

 the tip of the wing ; wing-ribs and veins black ; poisers pitchy. 

 Length of the body If line ; of the wings 3 lines. 



a. North America. Presented by the Entomological Club. 



Ortai.is quadrifasciata. Trypeta 4-faseiata, Harris, Cat. Ins- 

 Massach. Fern. Cyaneo-viridis, capite supra piceo, palpis ni- 

 gris, an tennis piceis, pedibus nigro-viridibus, tibiis piceis, tarsis 

 fulvis, alls limpidis fusco quadrifasciatis. 



Body metallic bluish green, clothed with short black hairs : 

 head and chest beset with a few black bristles: head pitchy between 

 the eyelets and feelers, ferruginous on each side of the face ; epi- 

 stoma very prominent : eyes red ; fore part flat, its facets much 

 larger than those elsewhere : sucker pitchy, clothed with tawny 

 hairs ; palpi black, beset with black bristles : feelers pitchy, as long 

 as the face, ferruginous at the base and beneath ; third joint taper- 

 ing from the base to the tip, near four times the length of the se- 

 cond ; bristle downy, twice the length of the third joint : abdomen 

 nearly spindle-shaped, thickly cross-wrinkled, a little longer than 

 the chest : legs greenish black ; knees ferruginous ; shanks pitchy ; 

 feet tawny, with black tips ; foot-cushions tawny : wings colourless, 

 with four dark brown marks along the fore border ; the first pro- 

 ceeds along the fore border for almost one-third of the length, and 

 then descends obliquely into the disk ; the second is less oblique 

 and slightly curved, and extends nearer to the lower border, and in- 

 closes the middle cross- vein ; the third is upright, extends to the 

 hind border, and includes the lower cross-vein ; the fourth is a 

 stripe, which proceeds from the third along the fore border to a lit- 

 tle below the tip of the wing ; wing-ribs black ; hinder veins tawny 

 at the base; third longitudinal vein slightly curved near its junction 

 with the middle cross-vein, which is rather oblique ; lower cross- 

 vein straight ; scales rudimentary ; poisers pitchy. Length of the 

 body 1\ lines ; of the wings 4 lines. 

 a. North America. Presented by the Entomological Club. 



Ortalis ? Arima, n. s., fern. Cyanea, capite fulvo, thorace ceneo- 

 viridi, palpis antennisque fulvis, pedibus piceis, tarsis fulvis, alis 

 fuscis maculis quatuor limpidis, marginibus posticis cinereis 

 fusco maculatis. 

 Body blue, shining, thinly clothed with black hairs -. head and 



chest beset with a few black bristles : head tawny, very prominent 



4 R3 



