LIST OF DIPTERA. 219 



Atherix marginata, Meig. Dipt. ii. 106, 2, pi. 15, /. 27, 28- 

 Macq. Hist. Nat. Dipt. i. 432, 2. Zett. Dipt. Scand. i. 225, 2- 

 Loew, Prog. 1840, 10. Gim. Bull. Soc. Imp. Nat. Mosc. 1847, 

 1, 199, 2. Bibio marginata, Fabr. Sp. Ins. ii. 413, 6. Ent. 

 Syst. iv. 255, 4. iSysJ. J.w^. 67, 5 Meig. Klass. Zweif. i. 

 216, d. Musca marginata, GW. £tf. Syst. Nat. v. 2829, 130. 

 Stew. El. Nat. Hist. ii. 255. 



a. England. 



b. France. 



Atherix filia, n. s., mas. Cinerea, thoracis disco fusco vittis tribus 

 cinereis, antennis cinereis, pedibus fulvis, femoribus nigris, alis 

 cinereis fusco variis. 



Head hoary, clothed beneath with black hairs : eyes red : mouth 

 black : feelers hoary, with black bristles : chest brown, with three 

 gray stripes ; sides and breast also gray : abdomen gray and clothed 

 with pale hairs : legs black and clothed with short black hairs ; 

 shanks and feet tawny, with piceous tips : wings gray, varied with 

 brown, which colour prevails most at the base and along the fore 

 border, and is there of a darker colour than in the rest of the wing ; 

 brands yellow ; veins piceous ; poisers yellow, with dark brown 

 knobs. Length of the body 2 — 2| lines ; of the wings 4J — 5^ lines. 



a. New York. Presented by the Entomological Club. 



b. New York. Presented by E. Doubleday, Esq. 



c. Trenton. Presented by E. Doubleday, Esq. 



Atherix crassicornis, Hoffmansegg, Panz. Faun. Germ. cv. 10. 

 Latr. Gen. Crust, iv. 289. Meig. Dipt. ii. 108, 5. Macq. Hist. 

 Nat. Dipt. i. 433, 6. Zett. Ins. Lapp. 528, 1. Leptis griseola, 

 Fall. Dipt. Suec. Anthrac. 12, 7. 



a. England. 



b. France. 



Atherix pilosa, Megerle, Meig. Dipt. ii. 109, 7. 



a. South of France. Presented by the Entomological Club. 



Atherix picea, n. s. Picea, capite nigro, abdomine ferrugineo fas- 

 ciato, apice subtus fulvo, antennis fulvis, pedibus flavis, alis 

 limpidis. 



Head black, clothed with pale hairs beneath : mouth and feelers 

 tawny : eyes red : chest dark piceous, thinly clothed with pale yellow 

 hairs ; its sides somewhat ferruginous : abdomen dark piceous, 

 clothed with yellow hairs ; hind borders of the segments ferruginous ; 

 three last segments dark tawny beneath : legs yellow : wings colour- 



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