Dll'TERA. '233 



near the base with longer pale tawny hairs, adorned with five taicny hands ; 

 the first on the first segment, interrupted ; the second and the third on the 

 second segment, the second interrupted, hind harder of the third concave and 

 notched; the fourth and fifth on the third segment, hind border of the 

 fourth concave, fifth arched and interrupted ; hind horders of the segments 

 brassy : legs pitchij, -partly tawny ; feet clothed beneath with tawny down ; 

 claws tawny with black tips: ivings gray, dark brown along the fore border, 

 brownish in the disic ; wing-ribs pilchy; veins black; poisers yellow. 

 Length of the body 4i lines ; of the wings 8 lines. 



Brazil. 



Syephus collatds, Mas. 



Viridis, capite fiaro, scutelli maryine postico fulvo, abdomine cyaneo-piceo 

 maculis octofiavis ornato, antennis pedibusque piceis, fanoribus apice 

 tibiisque basifulvis, alis limpidis. 



Head yellow, thinly clothed with black hairs, steel blue and most thickly 

 clothed with black hairs above the feelers, tinged with whitish colour and 

 clothed with pale yellow hairs behind : eyes dark red : feelers pitchy : chest 

 and breast metallic green : chest clothed with tawny hairs ; scutcheon 

 pitchy, tinged with green ; hind border taivny : breast with a hoary cover- 

 ing and clothed with hoary hairs : abdomen pitchy, spindle-shaped, much 

 longer but not broader than the chest, shining with steel blue lustre, adorned 

 ivith four pairs of yellow spots, the first pair triangular, the second and third 

 larger, conical tcnvards each other, the fourth very small, near the tip : legs 

 pitchy ; thighs towards the tips and shanks toivards the base tawny : wings 

 colourless ; wing-ribs tawny ; veins black, tawny at the base ; poisers 

 tawny. Length of the body 4 lines ; of the wings 8 lines. 



Van Diemen's Land. 



Syrphus expositus, Fern. 

 JEneo-viridis, abdomine cyaneo-piceo fasciis duabus latis interruptis jla- 

 vis ornato, antennis ferrugineis, pcdibus piceis, iibiis fulvis, alis 

 limpidis. 



Brassy green : crown blue; face with a slight tawny covering, thinly 

 clothed with black hairs ; a black shining tubercle near the epistoma: eyes 

 red: feelers ferruginous: chest clothed with tawuy hairs: breast tinged 



