BY FREDERICK A. A. SKUSE. 115 



considerably below the apex of the wing ; third longitudinal vein 

 running close to the posterior margin, indistinct, particularly at 

 its extremity. (Description drawn from dried specimen). 



Hal. — Middle Harbour (iSkuse). September. 



Ohs. — I believe this is only the second species of the genus 

 known. Winnertz described the first-discovered species fi-om 

 Germany, and established this genus in 1853. 



Sub-section B. 



Cross-vein very oblique, originating at the root of the first 

 longitudinal vein. 



Sub-genus 9. Dirhiza, Loew. 



DirUza, H. Loew, D.B. IV. 1850, p. 21 ; Winnertz, L.E. 1853, 

 p. 186; Rondani, Stirp. Cec. 1860, pp. 287 and 293; O.-Sacken, 

 M. Dipt. N. America, 1862, p. 176. 



Second longitudinal vein hardly undulating before the cross- 

 vein ; joints of the antennse sessile or almost sessile in both sexes. 



Obs. — Only a single species has been described, D. lateriha, 

 from Europe. 



Sub-genus 10. Epidosis, Loew. 



Epidosis, H. Loew, D.B. IV. 1850, p. 21 ; Rondani, ll'*" Mem. 

 Parma, 1840, &c.; Winnertz, L.E. 1853, pp. 186 and 189; O.- 

 Sacken, Mon. Dipt. N. America, 1862, pp. 176 and 177 ; Schiner, 

 F.A. IL 1864, p. 402. 



Second longitudinal vein sinuose before the cross-vein (PI. ii., 

 fig. 13); joints of the antenuoD pedicelled in both sexes; their 

 numVjer variable. 



66. Epidosis distenta, sp.n. 



$. — Length of autenntc 0-050 inch ... 1-27 inillimotros. 



Expanse of wings 0140x0-045 ... 355 x 113 



Size of body 0080x0-020 ... 202x0-50 



Anteiinco rather longer tJian tlie head and thoi-ax, pale brown, 

 2-+ 1 I -jointed, the joints long, sub-cylindrical, with long verticilluto 

 hairs; pedicels very sh<jrt Front and palpi pale brownisli, tho 



