LIST OF DIPTERA. 619 



d. Trenton Falls. Presented by E. Doubleday, Esq. 



e. Delaware. 



/. New York. Presented by the Entomological Club. 



g. Florida. Presented by E. Doubleday, Esq. 



h. North America. From Mr. Children's collection. 



Eristalis compactus, n. s., fern. Niger, scutello rufo, abdominis 

 segmentorum marginibus posticis flavis, antennis rufis, pedibus 

 ferrugineis, tibiis basi flavis, tarsis anticis piceis, alis limpidis 

 ad costam rufo-fuscis. 



Body black, stout, broad, shining : head clothed with a few 

 pale tawny hairs, prominent about the mouth : feelers red : eyes 

 pitchy, red, with a slight bronze tinge on the inner part above : 

 chest and breast thinly clothed with short tawny hairs ; scutcheon 

 dark red : abdomen short, a little longer than broad, longer and 

 broader than the chest, clothed with a few short tawny and black 

 hairs ; hind borders of the segments yellow : legs ferruginous, 

 clothed with short black hairs ; shanks pale yellow towards the base; 

 feet pitchy towards the tips, clothed beneath with tawny down ; fore 

 feet pitchy ; claws and foot-cushions tawny ; tips of claws black : 

 wings colourless, reddish brown along the fore borders for two-thirds 

 of the length; wing-ribs pitchy; veins black, pitchy towards the 

 base ; poisers tawny. Length of the body 4 lines ; of the wings 8 

 lines. 



a. St. Martin's Falls, Albany River. Hudson's Bay. Presented by 

 G. Barnston, Esq. 



Eristalis solitus, n. s., mas, Niger, scutello abdomineque fulvis 

 hoc fasciis quatuor fuscis, antennis ferrugineis, pedibus fulvis, 

 tibiis posticis femoribusque nigris, tarsis piceis, alis limpidis. 



Body black: head covered with white bloom, clothed with 

 short pale yellow hairs : mouth black : feelers ferruginous : eyes 

 pitchy : all their facets very small : chest covered with dull tawny 

 bloom, clothed with short pale yellow hairs ; scutcheon tawny : ab- 

 domen tawny, obconical, a little broader but not longer than the 

 chest, adorned with four deep brown bands ; first band at the base ; 

 second band connected with the first in the middle ; third band con- 

 nected with a round brown spot by the middle of its fore border ; 

 fourth band near the tip ; underside pale yellow, brown towards the 

 tip : legs tawny, clothed with pale yellow hairs ; hips, thighs, and 

 hind shanks black ; feet pitchy, paler beneath ; claws and foot- 

 cushions tawny ; tips of claws black : wings colourless ; wing-ribs 



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