in the Collection of W. W. Saunders, Esq. 289 



somewhat elongated, with a shining brown stripe ; proboscis long, 

 black ; antennae black ; pectus and sides of the thorax with dull 

 testaceous tomentum ; abdomen testaceous above, with a black 

 stripe on each side and a much arched black dorsal mark, which 

 emits two black lines, hindward ; underside testaceous at the 

 base ; legs testaceous ; hind femora and hind tibiae with a black 

 band on each ; wings greyish, with three brownish irregular 

 bands ; first band in the middle, abbreviated hindward and in- 

 terrupted ; second and third connected ; halteres testaceous. 



Length of the body 3 lines ; of the wings 5 lines. 



Natal. 



Genus Eristalts, Latr. 



Er'islalis transposilus, 



Mas et Fcem. — Cyaneo-viridis, nitens, capite antico nigro, la- 

 teribus aldo-tomentosis, antennis tarsisque nigris, abdominis 

 apice cupreo, alis nigricantibus postice limpidis. 



Male and Female. — Bluish-green, shining: head black in front, 

 where there is white shining tomentum on each side ; antennse 

 black ; abdomen bright cupreous at the tip ; tarsi black ; wings 

 blackish on the fore half, limpid on the hind border. 



Length of the body 1\ — 8g lines ; of the wings 16 lines. 

 Burmah. 



Er'istal'is impositns. 



Fcem. — Niger, capite fuscescente antice testaceo, callo fusco, 



thorace vittis quatuor testaceis, scutello lurido, abdomine 



atro-velutino, maculis quatuor maximis lateralibus fasciaque 



tenui arcuata flavis, lineis tribus transversis apiceque nigro- 



chalybeis nitentibus, pedibus halteribusque testaceis, tibiis 



tarsisque posticis femoribusque nigris, alis sub-cinereis. 



Female. — Black : head with brownish tomentum above, with 



pale shining testaceous tomentum in front, excepting the shining 



brown callus ; antennae black ; thorax with four testaceous stripes ; 



scutellum lurid ; abdomen deep velvet-black, with two very large 



yellow spots on each side, the fore pair larger than the hind pair, 



beyond which latter there is a slender arched yellow band ; 



three chalybeous black, shining, transverse lines ; tip also shining; 



legs testaceous ; femora black, with testaceous tips ; hind tibiae 



black ; hind tarsi black, except at the base ; wings slightly 



greyish ; veins black ; halteres testaceous. 



Length of the body 6 lines; of the wings 10 lines. 

 Haiti. 



