LIST OF DIPTERA. 27 



Ceratopogon rufipes, Meig. Dipt. i. 81, 32. 

 a. England. From Mr. Walker's collection. 



Ceratopogon spiuipes, Meig. Dipt, i. 81, 33. 

 a. England. From Mr. Walker's collection. 



Ceratopogon tibialis, Megerle, Meig. Dipt. i. 82, 36. 

 a. England. From Mr. Walker's collection. 



Ceratopogon apicalis, Roser, Corr. Wurtt. Landw. Ber. 1840, i. 1, 



•50. 

 a. England. From Mr. Walker's collection. 



Ceratopogon basalis, n. s. Niger, abdomine basi fulvo, pedibus 

 fuscis, femoribus flavis, metafemoribus apice fuscis, alis sub- 

 griseis. 



Nearly allied to C. succinctus. Body black : abdomen tawny 

 towards the base : legs brown ; thighs yellow ; hind thighs brown 

 from the middle to the tips : wings slightly gray, especially towards 

 the tips ; veins dull tawny ; poisers tawny, with brown tips. Length 

 of the body If line ; of the wings 4 lines. 



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



Ceratopogon succinctus, Hoffmansegg, Meig. Dipt. i. 85, 42. 



a. England. 



b. England. From Mr. Walker's collection. 



Ceratopogon flavipes, Meig. Dipt. i. 82, 35. 

 a. England. From Mr. Walker's collection. 



Ceratopogon ferrugineus, Meig. Dipt. vi. 265, 58. 

 a. England. From Mr. Walker's collection. 



Ceratopogon gracilis, Holiday, Ent. Mag. i. 152. 

 a. England. From Mr. Walker's collection. 



C. Hind thighs thick, armed beneath with spines. 



Ceratopogon femoratus, Meig. Dipt. i. 83, 37. Macq. Hist. Nat. 

 Dipt. i. 83, 37. Zett. Ins. Lapp. 822, 11. Chironomus femo- 

 ratus, Fabr. Syst. Anil. 45, 35. Latr. Gen. Crust, iv. 250. 

 Trichocera femorata, Lam. Anim. sans Verteb. iii. 440, 1. Ser- 

 romyia femorata, Megerle. Prionomyia femorata, Stephens. 



a. England. 



b. France. 



D 2 



