BY R. J. TILLYARD. 53 



Head small, fpicrajiium gvey-hrown, with a pale line in front 

 between the eyes; eyes black; (mtf.nnfe T) min., brownish, ending 

 in a large, black, siibtriangular knob: la/n-iim and Diouth-parts 

 ricli brown. 



Thorax greyisli-brown. fjf'ijs with l)lackish femora, tibiae 

 brown tipped witli black, tarsi Ijrown; tibial spins curved, reach- 

 ing to middle of second tarsal joint. 



Abdomen [broken oft' at 3rd segment] appears to have been 

 dull grey with fulvous blotches. 



Wings: venation dark brown. Forewings with beautiful 

 black or dark Ijrown markings as follows - an elongated basal 

 patch along costal space, crossing He and R and reaching Mj dis- 

 tally; across wing, obliquely near middle, there runs an irregular 

 mark resembling the Greek A (lambda), but with its apex some 

 what blurred and swollen; on the pterostigmatic area is a large, 

 elongated, triangular blotcli, followed <listal]y by a slender, longi- 

 tudinal mark for about 2 mm.; fi-om posterior border, below 

 pterostigma, there runs obliquely upwards towards the tip, 

 aci"OSS the ends of M., and M,, a dark l)and, bent in the middle, 

 about 4 mm. long. Small spots and specks shade the bases of 

 many of the cross-veins. Hind wings with irregular blotchings 

 between Sc and R in basal half; about two-thirds of the way 

 along the wing, an irregular patch covers both 8c and R, while 

 a small patch lies on the pterostigma; on the posterior margin, 

 just below the end of Cuj + M.,, lies a fainter, smoky patch. 



Hab. — Harvey, W.A. January, 1912. Unique. 



Type in Coll. West Australian Museum. Museum No.6601. 



This very beautiful little insect is very distinct from all others 

 of the genus, and is easily recognised by its small size, and the 

 peculiar " lambda-mark "' on the forewings. 



6. Df;ndroleon dumigani, n.sp. (Pl.iii., fig.6). 



Total length 21, abdomen 15, forewing 28-5, hind wing 27omm. 



Head: eyes grey-brown; epicranium black, a transverse, grey- 

 brown band above antennae; these latter 6 mm., brown, with 

 paler rings; tips elongate-oval, flat, concave above, black; a 



