ANALYTICAL TABLE OF FAMILIES 115 



36 (39). C, I, (II) much enlarged, appearance of 3 foot-pads (plate 



VI, 9). 



37 (38). Squamae small, not covering C, III ; O, 6 1 long and distinct 



(plate V, 3) ; long bodied flies, head of normal proportions. 



Part of LEPTlDjE, XVII 



38 (37)- Squamae very large, hiding thehalteres; O, 6' absent (plate 



V, 13) ; short round-bodied flies with very small heads. 



CYRTID.E, XXII 



39 (36). Empodium small, only 2 foot-pads apparent (plate VI, 10,11). 



40 (41). Vertex hollowed out between the eyes (plate VI, 28). 



ASILIIXE, XVIII. 



41 (40). Vertex flat or raised, eyes not protruding. 



42 (43) (44). V, 4 ending in 3 branches (plate V, 6, 7) between V, 5 



and V, 5. 



BOMBrLiD^E, XIX 



43 (42) (44). V, 4 ending in 4 branches (plate V, 8) between V, 3 



and V, 5. 



THEREVID^E, XX 



44 (42) (43). V, 4 ending in 2 branches (plate V, 9) ; antennae (plate 



III, 23) without A, IV, 6. 



SCENOPINID^:, XXI 



45 (35)' O, 6 1 short (plate V, 10) not nearly reaching hind margin. 



Par/o/EMPID/E. XXIII 



46 (34)- V, 3 not forked (plate V, n-12, 14-17). 



47 (52). Alulae absent or rudimentary. 



48 (51). Apex of the wing rounded. 



49 (50). X, 4 placed generally beyond X, 5 1 , at most only a little 



before it ; V, 5 with 2 X-veins bounding a discal cell (plate 

 V, II) ; or, if only one, then X, 5 is placed before, or, at most 

 (plate V, 12) only a little beyond X, 4. 



PartofEMPIDJE, XXIII 



50 (49). X, 4 placed very near the base of the wing ; V, 5 with only 



one X-vein placed far beyond X, 4 ; no discal cell (plate V, 



14, 15). 



Part o/DOLICHOPODID^:, XXIV 



51 (48). Apex of the wing (plate V, 16) pointed. 



LONCHOPTERID^E, XXV 



52 (47). Alulae present. 



52i (ij). Frontal lunule (plate VII, 5) present. 



SUB-ORDER II. CYCLORRHAPHA (families XXVI LX) ; flies 

 which escape from a puparium, formed of the indurated 

 larval skin, through a circular orifice made by pushing off 

 its head end (plate VI, 37). 



