103 
sure to be congeneric with the species before me, from which it 
seems a probable conclusion further that all the other Australian 
Cassidides described by Boheman as congeneric with Holmgreni 
must be eliminated from Coptocycla. The following characters 
in combination distinguish these insects from all the other known 
Australian Cassidides -—Head entirely hidden under the front 
of the prothorax ; claws appendiculate, the basal piece not being 
pectinate ; prothorax much narrower than the elytra. The two 
species described below differ inter se so much in size and facies 
as well as in some structural characters that they might well be 
treated as generically distinct from each other, but in view of the 
large number of Australian Cassidides still remaining undescribed 
it is better I think for the present to be content with describing 
species and grouping them in genera by a few well-marked 
characters, as generic classification should be based if possible on 
plentiful supplies of material. The characters I have mentioned 
above associate these two together and distinguish them from all 
other genera that have been attributed to Australia. 
CU. multicolor, sp. nov. Subrotundata; nitida; valde convexa ; 
pallide testacea; supra (marginibus explanatis exceptis) 
nigro-picea, rufo-ferrugineo-variegata ; antennis fere ad 
coxas posticas attingentibus, subfiliformibus, articulis 3°—5° 
inter se sat eequalibus (quam 1° gracilioribus paullo breviori- 
bus, quam 2" gracilioribus sat longioribus); prothorace 
transverso, fere zequaliter elliptico, fere levi ; elytris leviter 
interrupte striatis, striis grosse punctulatis, antice retusis, 
pone scutellum vix distincte gibbis, humeris callosis; tarsorum 
articulo apicali ultra precedentem vix excedenti; corpore 
subtus fere levi. Long., 3 1.; lat., 25.1. 
The markings of the convex discal portion of the upper surface 
are as follows:—On the prothorax this portion is ferruginous 
with a short broad blackish vitta running forward a short dis- 
tance from the base and dilating at its front ; on the elytra the 
discal part is blackish with the following parts ferruginous—the 
scutellum and a spot on either side of it, on each elytron a little 
behind the scutellum a V-shaped mark having its apex on the 
suture, on each elytron behind the middle a subsutural spot, also 
the lateral and apical edges of the discal part (this edging being 
dilated inward about the middle and near the apex). The 
ferruginous parts are slightly raised and are _probabiy 
metallic when the insect is alive. The explanate margin 
is wide and sloped downward; at its widest part it is con- 
siderably narrower than the interval between it and the 
suture. The prothorax is almost exactly of the figure that is 
known in mathematics as a section of an elliptic spindle and is 
