62 PROCEEDINGS CF THE ROYAL SOCIETY OF QUEENSLAND. 



brown and shiny black, in places white. The distal portion 

 is divided into two parts, of curious appearance, as figured 

 (Fig. 15). 



Described from two males captured around "decaying 

 meat in Brisbane, April 1921. 



7. Sarcophaga delta n. sp. (Fig. 13). 



In general appearance a large grey fly, about 15 mm. in 

 length. , 



Male. — Head. — Front slightly prominent, about two-fifths 

 the width of eye. Frontal stripe very dark chocolate, rather 

 narrower than parafrontals, which are pale golden, and rather 

 more heavily pollinose than usual ; gense rather brighter 

 golden ; occiput silvery with pale-golden tint. Mesofacial 

 plates silvery, with somewhat darker borders ; ptilinal suture 

 fairly distinct throughout fife. First antennal joint rather 

 more prominent than usual ; second large and nearly black ; 

 third a fawn colour, and about thrice the length of the second. 

 A row of ten frontals beside frontal stripe ; eight facials, and 

 fourteen peristomials, some of the latter exceedingly large. 

 Verticals present ; lateral verticals present, but very weak. 

 A single row of black bristles behind eyes. Back of head 

 heavily clad with pale-golden hairs, developing into a beard- 

 like growth postero-ventrally, and much shorter on the anterior 

 part of the genae. Proboscis as usual, palps black. 



Thorax. — This is of a deep grey, with the usual black 

 longitudinal marks, the middle one alone extending on to 

 scutellum. Lateral and vertical parts grey. Anterior spiracle 

 heavily coated with short brown hairs. Shoulder armed with 

 moderately long black bristles. Anterior acrostichals all 

 present, though very weak, posterior pair rather stronger than 

 the others. Of the posterior row, only the prescutellars are 

 present ; these are very strongly developed. Apical scutellars 

 very long. Dorsocentral row complete. There is an indication 

 of a third intra-alar. 



Legs black and grey. J^'irst femur slightly hairy, tibia 

 longer than tarsus. Second femur slightly hairy proximo- 

 ventrally, a " comb " differentiated ; tibia hairy. Third 

 tibia hairy ; of a dark-brown colour. 



Abdomen a deep grey with the median longitudinal deep- 

 brown line feebly developed, and not distinctly visible on 



