THE CANADIAN ENTOMOLOGIST. 105 



Hind tibicC destitute of stout seta^ on the outer side, the front 



ones each with three or four ; abdomen black, the apices of 



the segments sometimes narrowly yellow . . . incisuralis^ Loew. 



Middle and other tibia; destitute of stout seta? on the outer side, at most 



bearing short bristly hairs ; frontal setae next the antennae pointing 



downward. 



Thorax, palpi and halteres yellowish. 



Head, antenna? and dorsum of abdomen largely .or wholly 



black nigriceps, Loew. 



Head and antennte yellowish. 



Abdomen yellow, a black fascia or pair of spots on 

 the second and sometimes also on the third seg- 

 ment .fasciata, Fall. 



Abdomen yellow, the sides and a fascia near the hind 



margin of each segment, black scalar is, Loew. 



Abdomen yellow, an interrupted black fascia on the base 



of each segment interrupta, Zett. 



Thorax, head and abdomen black. 



Halteres black, palpi yellowish .fwigicola, n. sp. 



Halteres yellowish. 



Palpi black mimiia, Aid. 



Palpi yellowish. 



Tip of first heavy vein near the last fourth of the distance 

 between the humeral cross-vein and the tip of the first 

 branch of the second heavy vein ; abdomen of male 



bristly rufipes, Meig. 



Tip of first heavy vein nearly midway between the 

 humeral cross-vein and the apex of the first branch of 

 the second heavy vein ; abdomen of male destitute of 



bristles setacea, Aid. 



Fhora cornuta, Bigot, from Cuba, is too imperfectly described to 

 admit of giving it a place in this table. 



Phora spinipes, n. sp. — Black, sub-shining, the paipi, halteres, front 

 and middle tibiae and a large portion of their femora, also the knees of the 

 hind legs, yellowish ; all frontal setae pointing upward. Front tibia? each 

 bearing three setae on the outer side of its basal three-fourths, middle 

 tibife each bearing three seta; in a curved row on the outer side of its 

 basal half, hind tibiffi each with seven setJt? in an irregular row extending 



