LIST OP DIPTERA. 1087 



Group Phrosia, Desv. Essai Myod. 668. 

 Group Delina, Desv. Essai Myod. 669. 

 Group Volusia, Desv. Essai Myod. 674. 

 Group Sargella, Desv. Essai Myod. 674. 

 Group Myopina, Desv. Essai Myod. 675. 

 Group Cylidria, Desv. Essai Myod. 678. 

 Group Retellia, Desv. Essai Myod. 683. 

 Group Salticella, Desv. Essai Myod. 683. 

 Group Hydromya, Desv. Essai Myod. 691. 

 Group Dyctia, Desv. Essai Mysod. 692. 

 Group Melina, Desv. Essai Myod. 695. 

 Group Arina, Desv. Essai Myod. 696. 

 Group Chetocera, Desv. Essai Myod. 697. 

 Group Herbina, Desv. Essai Myod. 698. 



Oxycephala, Macquart. 



Oxycephala fuscipennis, Macq. Dipt. Exot. ii. 3, 198, pi. 26, f. 6. 



Sphecomya undata, Harr. Cat. Ins. Massach. 

 a. North America. Presented by the Entomological Club. 



Oxycephala nigripennis. Myopa nigripennis, G. R. Gray, Griff. 



Anim. Kingd. pi. 125, /. 5. 

 a. ? 



Oxycephala latipennis, n. s., fern. Ferruginea, capitefulvo,scutello 

 abdominisque lateribus basi fulvis, palpis Jlavis, antennis ferru- 

 gineis, pedibus fulvis, alis subcinereis ad costam fulvis apice 

 fuscis. 



Body ferruginous, thinly clothed with very short yellow hairs : 

 head and chest beset with a few black bristles : head tawny, with a. 

 furrow on each side of the crown ; a punctured space on each side 

 between the eyes and the sides of the face, the latter without bristles : 

 epistoma not prominent : eyes pitchy ; all the facets large : sucker 

 tawny, clothed with tawny hairs ; palpi yellow, rather large, beset 

 with black bristles : feelers bright ferruginous, lodged in rather deep 

 furrows of the face, which they slightly exceed in length ; first joint 

 nearly linear ; second increasing in depth from the base to the tip, 



5b 2 



