xii SHORT ACCOUNT OF THE MORE IMPORTANT 



Family Orphtiephilidce. 



Ocelli absent. Head small, round ; eyes round. Costal vein 

 continued round the posterior border of wing. 



Family Psycliodidcc. 



Ocelli absent. Body with long, coarse hairs. No transverse 

 suture to thorax. Antennae long, i6-jointed. Wings very broad and 

 hairy ; many longitudinal veins, only a few transverse veins ; no dis- 

 coidal cells. Legs long, tibite without spurs. 



Family Citlicidce. 



Ocelli none. Thorax with no transverse suture. Head small. 

 Antennffi long, 15-jointed; pectinate in $. Costal vein continued 

 round margin of wing, fringed with scales ; veins in their last sub- 

 divisions more than six in number. 



Family Dixidce. 



Ocelli wanting. Head rounded. Antennce long, 12-jointed ; 

 basal joint thick, flagellum slender. 



Family Tipidida. 



No ocelli. Thorax with V-shaped transverse suture. Antennae 

 long, composed of 6 to 19 joints. Basal cells of wings reaching 

 beyond the middle. Discal cell generally present. Legs long and 

 slender. 



Family Rhyphidce. 



Ocelli three. No transverse suture on thorax. Antennae as long 

 as thorax; i6-jointed. Wings with a perfect discal cell, large and 

 broad. Empodium like a pulvillus, pulvilli wanting. 



Family Stratiomyidcc. 



Head short, as broad as thorax. Third joint of antennae annu- 

 lated ; furnished with a terminal bristle. Ocelli present. Three 

 basal cells, much prolonged. Veins of two main trunks very crowded 

 anteriorly. Costal vein reaching only to middle of wing. Tibis 

 spurless. Empodium large, resembling pulvillus. 



Family Xylophagidce. 



Head short and broad. Third joint of antennas annulated ; no 

 terminal bristle. Three basal cells, very prolonged. Third longi- 

 tudinal vein furcate ; both intercalary veins present. Marginal 

 vein encompassing the whole wing. Tibiffi with spurs. Empodium 

 as above. 



