300 Journal New York Entomological Society. [Vol. xxi. 



zontal and projecting oral margin remind one of the description of 

 Platophrymyia. In that genus, however, the disc of the mesonotum 

 is not bristly. 



APHANIOSOMA Becker. 



A minute yellow species from the Bahamas was sent me by C. W. 

 Johnson, with the label Cacoxenus. As the specimen is defective, 

 lacking the wings, it can not be fully determined, but it is apparently 

 very closely related to the type-species, approximatum, from Egypt, 

 which was described by Becker in the conclusion of the Aegyptische 

 Dipteren, page 187 (1903). 



CHIROMYIA Desvoidy. 



Entirely yellow, including the antennae, legs, halteres, hairs and bristles, and 

 the veins of the wings, only the small ocellar triangle black ; eyes 

 circular ; about six irregular rows of dorsocentrals ; scutellum with a 

 few setulas in addition to the regular bristles ; mesopleurae setulose. 

 2-3 mm. (Eur.; Afr. ; N. Y., Mass., N. J., N. H., Ga., La.,* Cal.,* 

 Wash.*) (Scyphella.) flava Linnaeus. 



Same in color, but the ocellar triangle brown ; eyes horizontally oval ; about 

 four rows of acrostichals ; scutellum and mesopleurae not setulose. 

 1.5 mm. (Eur.;* Wash.,* Cal.*) minima Becker. 



EXPLANATION OF PLATE VIIL 



Fig. I. Wing of Leucopis griseola Fallen, Ochthiphilinae. Costa unbroken, 

 auxiliary vein largely separate from the first vein. 



Fig. 2. Wing of Meoneura vagans Fallen, Milichiinse. Costa broken be- 

 yond humeral cross-vein and before the end of the first vein. Auxiliary vein 

 and anal vein rudimentary. 



Fig. 3. Wing of Trixoscelis frontalis Fallen, Geomyzinae. Costa inter- 

 rupted at first vein only. 



Fig. 4. Head of Ochthiphila polystigma Meigen, Ochthiphilinas. 



Fig. 5. Head of Pholeomyia indecora Loew, Milichiinse. 



Fig. 6. Head of Madiza kalteralis Coquillett, Milichiinse. Lower occiput 

 extending obliquely forward, the bucca small and comprising the vibrissal angle. 



Fig. 7. Head of Cerodonta femoralis Meigen, Agromyzina:. Gena nar- 

 rower than bucca. 



Fig. 8. Head of Diastata elnta Loew, Geomyzinse. Bucca narrower than 

 gena. 



