16 MUSCIDjE. 



d d. Sixth joint of the antennae shortly plumose. Sp. 39-41. 

 a a a. Third joint of the antennae nearly twice or even thrice longer 

 than the second. Urycince p,, Agridce p., et Bombomyda p., Dvd. 

 Miltogramma, Meig. ; Latr. ; Desv. ; Mcq. ; Curt. ; Westw. ; Zett. 

 Brackycerata, Desv. Graosomes p., Desv. Myobia p., Mcq. 

 b. Costal vein and prsebrachial vein ending at some distance in front 

 of the tip of the wing. TacUna C. a, Meig. Zw. iv. 292. pi. 40. 

 f. 3, 24. Lydella, Mcq. FaunidfS p., Desv. 

 c. Eyes bare. Erycince p., Desv. Pales p., Desv. Senomotopia 

 p., Mcq. Faunidts p. (Salia, Lydella, AtJirycia, et Lypha), 

 Desv. Lydella, Mcq. Tachina p., Playia, et Oliviera, Meig. 

 Zw. vii. Fabricia, Meig. Zw. vii. 

 d. Proboscis short. 



e. Faciala without bristles. 



/. Sixth joint of the antennae stout at the base. Sp. 42-44. 

 ff. Sixth joint of the antennae stout for one-fourth of the 



length. Species 45, 46. 

 ///. Sixth joint of the antennae stout for one-third of the 



length. Species 47-49. 

 //// Sixth joint of the antennae stout for one-half of the 



length. Species 50, 51. 

 ///// Sixth joint of the antennae stout for three-quarters 



of the length. Species 52, 53. 

 //////. Sixth joint of the antennae stout for more than 



three-quarters of the length. Species 54, 55. 

 /////// Sixth joint of the antennae stout for the whole 



length. Species 56. 



e e. Facialia bristly for one-sixth of the length. 

 /. Sixth joint of the antennae bare. Species 57-59. 

 //. Sixth joint of the antennae plumose. Species 60. 

 e e e. Facialia bristly for one-fourth of the length. 

 /. Frontalia ferruginous. Species 61, 62. 

 //. "Frontalia black. 



g. Sixth joint of the antennae stout for one-fourth of the 



length. Species 63. 

 g g. Sixth joint of the antennae stout for one-third of 



the length. Species 64, 65. 

 g g g. Sixth joint of the antennae stout for more than 



one-third of the length. Species 66, 67. 

 ff ff ff ff- Sixth joint of the antennae stout for one-half 



the length. Species 68-71. 

 99999- Sixth Ji nt f tne antennae stout till near the 



tip. Species 72. 



e e e e. Facialia bristly for one-third of the length. 

 /. Scutellum ferruginous. Species 73. 

 //. Scutellum black. 



