Australian and Tasmanian Malacodermidae. 175 



thickened, the sides sub-parallel for the basal two-thirds, then 

 suddenly and strongly narrowed, then widely rounded with the 

 apex obtusely mucronate. 



Hob. N. S. Wales : Jenolan (./. C. Wihurd and A. M. 

 Lea) ; Sydney, Blue Mountaios, National Park {H. J. 

 Carter). 



The legs of both sexes are much as in australis, and the 

 males are much alike, except that in mucronatus the 

 antennae are distinctly longer and that the elytral punc- 

 tures are different and the lateral margins thicker. The 

 elytra of the female, however, render the species remark- 

 ably distinct, not only from australis, but from any other 

 of its congeners ; the species, in fact, is one of the few in 

 which the female is much more distinct than the male ; 

 seen from below each elytra appears to have a rather wide 

 lateral flange, which at about the apical third is abruptly 

 terminated. 



Hypattalus flaviventris, n. sp. 



^ . Black ; elytra metallic bluish-green ; prothorax, abdomen, 

 front legs (tarsi and apical half of tibiae infuscate) and parts of three 

 basal joints of antennae flavous ; base of four hind tibiae red. 



Head and antennae much as in the preceding species except that 

 the antennae are somewhat shorter. Elytra with small and not very 

 dense punctures in middle and almost absent elsewhere ; a feeble 

 channel towards sides, sides and suture slightly thickened. Front 

 legs with trochanters large, wide, and acutely angular at apex ; 

 femora strongly curved ; tibiae angular at base ; hind tibiae angular 

 at base and obtusely notched at apex. 



Length SJ mm. 



5 . Differs in having the front legs and tip of abdomen dark and 

 the legs simple except that the hind tibiae are acutely notched at 

 apex. 



jffah. N. S. Wales : Jenolan (J. C. Wihurd). 



In appearance close to the preceding species and aiistro/- 

 lis, but the colour and shape of the four hind tibiae in the 

 male alone render it very distinct from all the allies of the 

 latter. 



Hypattalus dentipes, n. sp. {Figs. 120, 121.) 



(J . Black, head with a slight bluish gloss ; elytra deep metallic- 

 blue ; prothorax, anterior legs (in parts infuscate) and parts of three 

 basal joints of antennae flavous. 



