LIST OF DIPTERA. 563 



gilded clown. Wing's gray; veins black. Halteres testaceous. 

 Length of the body 5 lines ; of the wings 8 lines. 



a. ? From Mr. Children's collection. 



172. Laphria chrysocosmia. 



Mas. Nigra ; fades et mystax alba ; abdomen apice aurato hir- 

 tum ; alee limpidce, apice fuscanee. 



Laphria chrysocosmia, Wied. Auss. Zweifi. i. 523, 42. 



173. Laphria Alebas. 

 Laphria Alebas, Cat. of Diptera, Pt. 2, 384. 



Genus 5. SCANDON. 



Corpus fere nudum. Mystax dense setosus. Antennarum 

 articulus 2us lo vix brevior ; 3us subfusiformis, lo et 2o conjunctim 

 fere duplo longior. Abdomen fceminee longi-obconicum, apice 

 spinis armatum. 



Scandon, Diptera Saundersiana, Pt. 2, 108. 



Forks of the cubital vein nearly straight, the hind fork and the 

 first externo-vnedial vein slightly converging; second extemo- 

 medial straight; third forming an obtuse angle with the pra?- 

 brachial, much inclined towards the fourth, but at some little 

 distance from it on the border. Subanal joining the anal on 

 the border. 



1. Scandon compactus. 



Scandon compactus, Diptera Saundersiana, Pt. 2, 108, pi. 4, f. 7. 



New South Wales. 



Genus 6. NUSA. 



Corpus longiusculum, pilosum. Mystax setis nonnullis. An- 

 tennarum articulus lus 2o longior; 3us subclavatus lo paullo 

 longior et multo latior. Pedes pilosi ; femora gracilia ; tibia? sub- 

 arc uatae. 



Nusa, Diptera Saundersiana, Pt. 2, 105. 



Fore fork of the cubital vein slightly undulating ; hind fork 

 united to the first externo-medial vein at some distance from the 

 border; second externo-medial straight; third forming a slightly 

 obtuse angle with the praebrachial, joiuirg the fourth far from the 

 border. Subanal united to the anal at some distauce from the 

 border. 



