EXOPROSOPA CINGULATA. 83 



the more defined marking of the wings, the band over 

 the base of the discal cell, and especially by having four, 

 instead of three submarginal cells. 



38. Anthrax Troglodyta, Fabr. 



Bibio troglodyta, Fabr. Syst. Ent. 759. 4; id. Mantiss. 

 11. 329. 22; — Anthrax troglodyta, Fabr. Ent. Syst. IV. 

 262. 22; id. Syst. Antl. 127. 43; Wied. Dipt. ex. I. 147. 

 43 ; id. Auss. Zweifl. I. 306. 70 ; — Anthrax hyalina , 

 Wied. Dipt. ex. I. 141. 34; id. Auss. Zweifl. I. 297. 57; 

 V. d. Wulp, Tijdschr. v. Ent. XXIII. IQh.l^-, — Anthrax 

 lucens , Walk. Dipt. Sauud. III. 180. 



A single specimen from Ambarawa in Java (Ludeking) 

 and two from Sumatra (van Lansberge). 



There seem to be no doubts, that A. hyalina Wied. is 

 merely a synonym of A . troglodyta F. ; therefore the spe- 

 cies must bear the latter name. According to the descrip- 

 tion, A. lucens Walk, likewise belongs to the same species. 



39. Arg yr amoeba , distigma, Wied. 



Anthrax distigma , Wied. Auss. Zweifl. I, 309. 74 ; Macq. 

 Dipt. ex. II. 1, 58. 9; Schin. Dipt. Novara-Reise , 122. 

 14; V. d. Wulp, Tijdschr. v. Ent. XXIII. 166. 19; — 

 Anthrax argyropyga, Dol. Nat. Tijdschr. Ned. Ind. XIV. 

 401; — Anthrax tripunctata, v. d. Wulp, Tijdschr. v. 

 Ent. XL 109. IL pi 4 f. 1. 



A specimen from Goroutalo and another from Guajaman 

 in Celebes (v. Rosenberg) , and two from Sumatra (v. Lans- 

 berge). The specimens from Sumatra are much smaller. 



Besides the two black dots at the base of the furcated 

 cell and the third posterior cell , there is sometimes a third 

 dot on the small vein which form the base of the second 

 posterior cell. It is this variety, which I described as a 

 distinct species under the name of A. tripunctata. 



IS'otes from the Leyden !Miiseuin, Vol. Vll. 



