IOH AUSTRALIAN CRANE-FLIES. 



Ctenacroscelis aberratut, sp.n. 

 Antennae brown ; mesonotal praescutum yellow witb 

 four indistinct brownish gray stripes : pleura unmarked ; 

 wings grayish fulvous ; abdomen dark brow-n, the tergitea 

 broadl\ margined laterally with buffy gray. 



Male. — Length, 19.") mm. : wing, 22 mm. : hind leg,, 

 femur, 15 mm. ; tibia, 18 ram. : metatarsus, 21 mm. 



Frontal prolongation of the head brown, more yellowish 

 beneath ; nasus distinct ; palpi dark brown, the segments 

 paler at the tips. Antennae short, brown, the flagellar 

 segments darker ; verticils distinct. Head brown, narrowly 

 paler adjoining the inner margins of the eyes ; vertex with 

 a capillary brown line. 



Mesonotal praescutum dull yellow with four indistinct. 

 broAvnish gray stripes, the intermediate pair narrowly 

 separated ; scutum yellow , each lobe with two indistinct 

 darker marks : scutellum and postnotuin dull yellow. 

 Pleuja Y^ale fawn-yellow- , unmarked. Halteres brown, the 

 knobs darker, the extreme base of the stem paler. Legs 

 with the coxae and trochanters pale yellow : femora yellowish 

 brown, the tips narrowly dark ]>rown : tibiae pale })rown, 

 the tips very narrowly and indistinctly darker : tarsi brown ; 

 ctenidium distinct : metatarsus longer than the tibia ; 

 claws large and pow'erful with a conspicuous basal tof)th 

 and a similar blunt tooth at about one-third the length of 

 the claw, the space between these teeth nearly circular. 

 Wings with a strong grayish fulvous tinge, deeper in the 

 costal cell, saturated in the subcostal cell : stigma small, 

 indistinct : veins bright chestnut l)rown ; ol)literative areas 

 very restricted, represented only by a small spot before the 

 stigma, the end of Bs, the basal deflection of M i-^ ^ ^^^ the 

 outer deflection of M^-r 4. Venation : Vein B^ but little 

 arcuated : cell J?^ considerably widened at the wing-margin ; 

 Bs short. 



Abdomen with the first segment yellowish, the re- 

 mainder of the organ dark brown : caudal margin of the 

 segments Acry narrowh^, the lateral margins broadly, buffy 

 gray ; sternites similar, the caudal margins narrowly ringed 

 wdth pale. Eighth tergite concealed beneath the seventh, 

 visible only laterally. Male hA'popygium with the ninth 



