18 MUSCIDjE. 



e e. Sixth joint of the antennae stout along half the length. 



Species 119, 120. 

 e e e. Sixth joint of the antennae stout for near half the length. 



Species 121. 

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



length. Species 122. 



e e e e e. Sixth joint of the antenna stout at the base. Spe- 

 cies 123, 124. 



d d. Facilia bristly for one-sixth of the length. Sp. 125, 126. 

 d d d. Facialia bristly for one-fourth of the length. Sp, 127. 

 dddd. Facialia bristly for one-third of the length. Sp. 1 28. 

 ddddd. Facialia bristly for half the length. Sp. 129, 130. 

 d d d d d d. Facialia bristly along the whole length. Sp. 133 . 

 b b b. Pra3brachial vein united with the cubital vein near the tip. 

 Tachina C. c, Meig. Zw. iv. 366. pi. 40. f. 3, 26. 

 c. Eyes bare. Dufourida, Desv. Cassidtemyia, Mcq. Species 



132-135. 



c c. Eyes hairy .- Senometopia p., Mcq. Macquartida p., Desv. 

 Zophomyia p., Mcq. Tryphora p., Meig. Zw. vii. Phorocera p., 

 Mcq. ; Meig. Zw. vii. 



a a a a. Third joint of the antennae four or six times longer than the 

 second. (Only thrice longer in T. antiqua.} 



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

 of the tip of the wing ; prsebrachial vein slightly curved or straight 

 between the flexure and the tip. Tachina D. a, Meig. Zw. iv. 

 370. pi. 40. f. 4, 27, 28. 



c. Eyes bare. Pales p., Desv. Zenillia, Desv. Phryno, Desv. 

 Senometopia p., Mcq. Eurigaster p., Mcq. Phryxe p., Desv. 

 Masicera p., Mcq. ; Meig. Zw. vii. Faunidee p., Desv. 

 Metopia, Meig. Kl. Zw. vii. ; Mcq. Degeeria p., Meig. Zw. vii. 

 Frontina, Meig. Zw. vii. Myobia p., Mcq. ; Meig. Zw. vii. 

 Miltogramma p., Meig. Zw. vii. 

 d. Abdomen tawny. Species 136. 

 d d. Abdomen black. 



e. Facialia without bristles. Species 137, 138. 



e e. Facialia bristly for one-sixth of the length. Sp. 139. 



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



140, 141. 



e e e e. Facialia bristly for half the length. Species 142. 

 e e e e e. Facialia bristly for more than half the length. Spe- 

 cies 143-145. 

 e e e e e e. Facialia bristly along the whole length. Species 



146, 147. 



c c. Eyes hairy. Phryxe p., Desv. Masicera p., Mcq. Tryphora 

 p., Meig. Phorocera p., Mcq. ; Meig. Zw. vii. Harrisia p., 

 Meig. Zw. vii. Exorista p., Meig. vii. 



