ASHMEAD : CLASSIFICATION OF THE CIIALCID FLIES 437 



SpILOCHALC'IS Miil.LERI, sp. IIOV. 



Ftnude. — Length mm. Yellow, the occiput black, the black extending forward 

 on the vertex and enclosing the ocelli ; flagellum brown-black basally, the four or 

 five apical joints fulvous; mesothoracic lobes black broadly margined with yellow, 

 the black on the middle lobe witli usually a central yellow spot; scutellum with a 

 central black line and a black line across the base. The abdomen is elongate 

 lanceolate or fusiformly pointed, longer than the head and thorax united, tlic eighth 

 segment long, styliform, the petiole very short, transver.-ii'. 



Brazil : Santarem. Three specimens. 



Dedicated to the memory of Dr. Fritz Miiller. 



SPILOCHALC'IS HOWARDI, sp. llOV. 



luiiiolc. — Length 7 mm. Yellow ; the occiput, scrobes, a broad median line ex- 

 tending from the insertion of the antennaj forwards to the mandibles, the 3-dentate 

 mandibles, the antennae, a median band on the middle mesothoracic lobe widened 

 anteriorly, a large spot on the lateral lol)es, a central line on the scutellum, the 

 femoral furrow on the mesopleura and anteriorly, the lower part of metapleura, the 

 depression on each side of the metanotum, spots on front and middle coxfc, a large 

 spot on the hind coxte at base beneath, their apices, the abdominal petiole and bands 

 on the dorsal abdominal segments, black. The body of the abdomen is fusiformly 

 pointed, blackish at apex, the about three times as long as thick. The hind fenioi'a 

 are armed with about twenty small teeth. 



Brazil : Chapada, in November. One specimen. 



Named in honor of Dr. L. O. Howard. 



Spilochalcis insularis, sp. UOV. 



M<i!(. — r.,cngth 5 mm. Yellow ; a spot on occiput, a median spot on the front 

 face of the pronotum, the sutvu'es of the mesothoracic lobes, a line down the center 

 of the middle lobe, a spot on the lateral loljes, a central line on the scutellum, a 

 median line on the metanotum, the front margin of the mesopleura, a stripe on hind 

 coxse beneath and above, and three or four bands on the dorsal abdominal segments, 

 black. The hind femora are armed with aliout twenty minute, black teeth. 



West Indies : Trinidad. 



Sr-ILOCHALCIS trinidadenbis, sp. IIOV. 



Female. — Length 9 mm. Yellow ; a spot on the occiput, the sci-obos, the an- 

 tenna), except the scape beneath, a median line on front face of the pronotum, the 

 sutures of the mesothoracic lobes, a central line on the middle lobe, a large spot on 



