882 LIST OF DIPTERA. 



straight from thence to the tip, joining the border a little above the 

 tip of the wing ; lower cross-vein with two very slight curves, the 

 lower inward, much longer than the other, which is outward ; scales 

 dingy white, with pale yellow borders. Length of the body 1\ lines ; 

 of the wings 5 lines. 

 a. North America ? Presented by the Entomological Club. 



Musca Liris, n. s., fem. Aureo-viridis, capite antico fulvo, thorace 

 cyaneo-viridi vittis quatuor ceneis, abdomine albo micante, anten- 

 nis luteis, palpis pedibusque fulvis, tarsis nigris,alis subcinereis. 

 Body bright golden-green, clothed with black hairs and bris- 

 tles : head green, adorned with a tawny bloom on the crown, tawny 

 in front, clothed beneath with tawny hairs ; a pitchy stripe between 

 the eyelets and the feelers ; epistoma very prominent ; sides of the 

 face prominent and beset with bristles at the base ; sides of the pe- 

 ristoma fringed with bristles : eyes red : sucker black, clothed at the 

 tip with tawny hairs ; palpi tawny, slender, slightly club-shaped, be- 

 set with black bristles : feelers luteous, very much shorter than the 

 face, which forms a ridge between them ; third joint linear, rounded 

 at the tip, more than twice the length of the second joint ; bristle 

 black, downy, more than twice the length of the third joint : chest 

 adorned with four slender brassy stripes ; a bluish tinge on its disk, 

 especially on the scutcheon, where it is mingled with purple : abdo- 

 men golden-green, a little shorter and broader than the chest, 

 slightly adorned with white reflections ; its bristles longest towards 

 the tip : legs tawny, clothed with black hairs and bristles ; feet 

 black ; foot-cushions pale yellow : wings slightly gray, tawny at the 

 base ; wing-ribs tawny ; veins pitchy, tawny at the base ; tip cross- 

 vein a little within the perpendicular to the fourth longitudinal vein, 

 with which it is joined by an outward curve, slightly curved inward 

 along the whole length, joining the border a little above the tip of 

 the wing ; lower cross-vein with two curves, the lower inward and 

 very slight, separated by a straight interval from the other, which is 

 outward and more distinct; scales whitish, with pale tawny borders. 

 Length of the body 5 lines ; of the wings 11 lines. 



Musca Sarsina, fem. Aureo-viridis, capite thoracis lateribus scutel- 

 loque purpureis, abdomine purpureo, disco postico viridi, palpis 

 antennis pedibusque nigris, femoribus viridi-purpureis, alis lim- 

 pidis. 



Body beset with black hairs and bristles: head chiefly purple, 

 tinged with blue and green, adorned with white lustre in front; a 



