BY FREDERICK A. A. SKUSE. 59' 



pubescence. Abdomen about three times as long as the thorax, 

 pale yellow, ovipositor light umber bi'own. Legs brownish-yellow. 

 First, third, and tifth joints of the tarsi of about equal length, 

 and one and a half times the length of the fourth joint ; second 

 joint one and a half times the length of the first. Wings with a 

 few decumbent hairs along the first and second longitudinal veins, 

 also towards the end of the third longitudinal vein, and a few 

 more dispersed close to the wing-margin at the tip. Veins very 

 pale and indistinct. First longitudinal vein only just visible at 

 either end ; second longitudinal vein apparently starting under the 

 middle of the first longitudinal, almost straight, disappeax'ing a 

 short distance from the apex, which it would meet if continued ; 

 third longitudinal vein running from the base of the wing close 

 and almost parallel to the posterior border, joining about mid- way 

 to the tip of the wing. Fringe long and tine, not dense. (Des- 

 cription drawn from fresh specimen). 



Uah. — Elizabeth Bay, near Sydney (Skuse). Beginning of 

 January. 



3. MiASTOR Mastersi, sp.n. 



(J. — Length of antenme 0-025 inch ... 062 millimetre. 



Expanse of wings 0035 x O'OIO ... 0-88 x 0-25 



Size of body 0-030 x 0-006 ... 0-76x015 



Antennte pale yellow, nearly as long as the body, joints 

 elongate, oval ; twice the length of the pedicels ; last joint 

 sessile ; long verticillato hairs. Hypostoma and front yellowish- 

 brown. Thorax yellow, levigate, appearing minutely granulate 

 under a high powei- ; two sparse rows of hairs from the coUare to 

 the .scutellum ; pleurie and scutellum yellow. Halteres yellow 

 whitish at the ba.se, moderately haired ; club large, pyriform. 

 Aljdomea witli the first two or three segments yellow, the 

 remainder dusky yellowisii ; moderately haired ; forceps with 

 a very minute silvery pubescence. Legs dusky yellow. 

 First and fourth tarsal joints short, of the same length ; 

 third and fifth about the .same length, longer than the 



