in the Collection of W. W. Saunders, Esq. 151 



AFRICA. 



Platynochcetus, Wied. (also occurs in Sicily) ; Senaspis, Macq. 



ASIA. 



Megaspis, Macq. ; Priomerus, Serv.; Asarkina,Ser\i\le; Grap- 

 tomyza, Wied. ; DoUchoremus, Macq. (Type, Eristalis crassus, 

 Fabr.) 



AUSTRALIA. 



Orthoprosopa,M.diC(\.; Coiloprosopa, Macq,; Hemilampa, Macq. 



NEW ZEALAND. 



Plesia, Macq. 



Genus Ceratophya, Wied. 



The two following species differ much in colour and size from 

 the two described by Wiedemann. 



Ceratophya luridescens. 



Fcem. — Piceo, thorace pectoreque aurato-fasciatis, abdomine 

 maculis duabus lateralibus basalibus fulvis, tarsis subtus 

 fulvis subauratis, alis luridis cinereo-marginatis, halteribus 

 testaceis. 



Female. — Piceous ; head with whitish tomentum on each side in 

 front ; third joint of the antennae nearly twice the length of the 

 first ; thorax and pectus with a slender gilded band ; abdomen 

 with an elongated tawny spot on each side at the base ; tarsi 

 tawny and slightly gilded beneath ; wings lurid, grey along the 

 hind border and at the tips; halteres testaceous. 



Length of the body 6 lines ; of the wings 1 1 lines. 



Valley of the Amazon. 



Ceratophya bicolor. 



Mas. Picea, abdomine, femoribus tibiisque posticis ferrugineo- 

 rufis, alis nigricantibus cinereo-marginatis. 



Male. — Piceous, like the preceding species in structure; head 

 with testaceous tomentum on each side in front ; abdomen, hind 

 femora and hind tibiae ferruginous red ; wings blackish, dark 

 grey at the tips and along the hind border. 



Length of the body 5^ lines ; of the wings 1 1 lines. 



Para. 



