of the Chrysomelide. 145 
purplish iridescence closely and deeply punctured, the punctures 
forming irregular strize near the apex, each stria of two rows of 
punctures. Under side of body pale ochraceous yellow. Legs and 
tarsi black. 
Length of female 51,6, inch; do. of male °13 inch. 
Native of New Holland. 
In the Cabinets of the Rev. F. W. Hope and J. O. Westwood, 
Esq. 
Sp. 5. Idiocephala albilinea, Hope, MSS. 
Head black, longitudinally striate, with a straw-coloured patch 
on the sinus of each eye, and another just below the insertion of 
the antenne. Eyes and antenne black. Thorax black, with the 
lateral margins white, widely and somewhat obsoletely punctured. 
Scutellum black, much elevated behind. Elytra bright yellowish 
brown, with a quadrate black patch on the disk, a little below the 
middle, which joins the scutellum by a sutural margin of the same 
colour; deeply and coarsely punctured, the punctures arranging 
themselves into regular strize near the apex. Under side of body, 
legs and tarsi, shining black; the former minutely punctured, 
and slightly pubescent. 
Length 1,5 inch. 
Native of Van Diemen’s Land. 
In the Cabinets of J. O. Westwood, Esq. and the Rev. F, W. 
Hope. 
Sp. 6. Idiocephala marginicollis, W. W. S. 
Head black, rugose, with the antenne of the same colour. Eyes 
black, margined internally with corneous yellow. Thorax black, 
glossy, sparingly punctured ; margined laterally with a very dis- 
tinct narrow band of yellowish white. Scutellum quadrate, smooth, 
shining black. Elytra deeply punctured, glossy black. Legs 
and under side of body black ; the latter slightly punctured. 
Length 513, inch. 
Habitat New Holland. 
In the Collection of the British Museum. 
A very distinct species, and easily detected by its shining black 
colour, with white margins to the thorax. 
Sp. 7. Idiocephala atra, W. W.S. 
Black ; face striate, with fine longitudinal lines. Thorax shining, 
slightly punctured, the punctures widely spread. Scutellum smooth, 
VOL. IV. L 
