258 Mr. J. O. Westwood on the 



ovate, rather longer but not thicker than the preceding. The 

 prothorax is rather more than three times the length of the head, 

 very slender, widened in front, the dilated part separated from 

 the narrow part by two lateral tubercles, finely transversely 

 striated on the upper surface, and finely granulose, each granule 

 emitting a very short black hair ; the upper side is orange-brown, 

 with a narrow dorsal line of yellow dilated in front, the dilated 

 pale part bearing a very narrow V like brown mark, the anterior part 

 of which extends to the fore margin ; the under side is pale yellow. 

 The meso- and metathorax are yellow beneath, brown-orange 

 above, with two dorsal yellow longitudinal lines converging behind 

 upon the metascutellum. The abdomen is brown-orange coloured 

 above, with a row of brown spots down the middle of the back 

 (one in each segment), and a broad lateral band of dark brown; 

 the under side yellow, with a longitudinal median dark line. 

 The coxae of the fore legs are yellow, with a streak of orange- 

 brown on the outside ; the femora are orange-yellow outside, 

 the outer half of the inside marked with a large dark brown 

 spot. The tibiae are yellowish orange, rather darker in the 

 middle. The four hind legs are pale yellow ; the tarsi have the 

 terminal joint dilated, the ungues being simple. The wings are 

 scarcely tinged with yellowish ; the veins are uniformly brown, 

 except the costal, subcostal and radial, which are pale brownish 

 yellow ; the stigma is very long and orange red. There are only 

 seven longitudinal oblique discoidal cells dependent upon the 

 sector radii tertius of the fore wings and upon the sector radii 

 secundus of the hind wings, the veins which separate these cells 

 from each other being very much curved. 



Inhabits Van Diemen's Land, Port Jackson, Adelaide. 



In Mus. Soc. Ent. London, Hope (D. Fortnum), Saunders 

 and Westwood. 



This species varies from three to four lines in length, and from 

 six to ten lines in expanse. The smaller specimens have fewer 

 (one in my Collection has only five) oblique discoidal cells, in the 

 fore wings dependent upon the sector radii tertius. The dark 

 spot on the fore femora is also occasionally enlarged. 



33. M. Australasice (Guerin-Meneville, Icon. R. An. Ins. p. 

 392). D'un brun, tirant un peu sur le fauve, avecledessous 

 de la tete et du thorax presque fauves. Devant de la tete et 

 bord des yeux jaunes ; une petite carene longitudinale au 

 milieu du vertex. Antennes brunes, avec le premier article 

 plus gros, globuleux et jaune en avant seulement. Ailes trans- 



