BY THE REV. T. BLACKBURN. 
1473 
Herr Suffrian has already pointed out that the species in question 
is probably inseparable from Idiocephala. I have a good many 
specimens before me, of which one only agrees with the descrip- 
tion exactly in respect of colour and shape of markings. 
I. CATOXANTHA, Saund., var. (?) 
Obiongo-qaadrata ; flava vel ferruginea ; antennis (maris 
corpore vix longioribus feminae bx'evioribus), tihtiis apice et 
tarsis picescentibus ; elytris (spatio communi y simulante et 
marginibus lateralibus ipsis exceptis) cyaneis ; capite prothor- 
aceque crassissime nec crebre punctulatis ; illo longitudinaliter 
plus minus conspicue canaliculate ; elytris fortiter subseriatim 
punctulatis. [Long. 2-34, lat. 1-14 lines. 
The y-like mark on the elytra is very coarse and thick (as 
though daubed on with a coarse brush), the extremities of its 
arms nearly reaching the humeral callus on either side, and its 
foot being at the apex of the suture. 
N. Territory of S. Australia ; taken by several collectors. 
I. PURA, sp.nov. 
jJ. Breviter oblongo-quadrata ; flavo-rufa ; antennarum articulis 
6 ultimis et prothoracis margine basali summo nigricantibus ; 
scutello elytrisque Isete cyaneis ; capite prothoraceque fortiter nec 
crebre, elytris crebre fortiter vix seriatim, punctulatis ; tarsorum 
apice subinfuscato. [Long. 1|-1?, lat. |-1 line. 
N. Territory of S. Australia ; collected by Mr. J. P. Tepper. 
I. Palmerstoxi, sp.nov. 
Breviter oblongo-quadrata ; rufa ; antennis apicem vei-sus, 
metasterno, abdomine, et .scutello, nigris ; elytris cyaneo-nigro 
variegatis c:rpite leviter obscure, prothorace sparsim nec fortiter, 
elytris sat fortiter sat crebre subrugulose vix seriatim, ]»unctulatis. 
[Long. 11, lat. J line. 
The dark markings on the elytra ai^ as follows : a blotch 
shaped like a subequilateral triangle with the front margin of the 
