BY T. G. SLOANE. 
1113 ^ 
the margina] punctures at the posterior angles present in my 
specimen. Elytra smooth, broad, ovate (10 x 7), with wide 
reflexed margin ; base truncate, not narrowed ; apex widely 
rounded ; sides pai’allel ; humeral angles distinct, with edge 
thickened and turned backwards ; two discoidal punctures at 
about oue-third of the length of the elytra from the apex, a row 
of punctures aloug the lateral margins, and a few punctures on 
the base ; the suture I’ather lightly impressed. Anterior tibite 
tridentate externally ; the exterior ridge with three projections, 
the lowest i-ather distinct ; the inferior ridge reaches the tarsus ; 
a tooth projects downwards below the tarsus. 
This species comes near Carenum cupreo-marginatum, Black- 
burn. 
Loc. — Eucla, West Australia. 
Platythorax iNTERiORis, sp.nov. 
Niger, nitidus ; prothorace elytrisque tenue cyaneo-marginatis ; 
capite magno, subquadrato, supra oculos unipunctato ; sulcis fronta- 
libus antice fortiter, postice leviter divergentibus ; clypeo inter 
dentes iaterales truucato j prothorace Isevi, late transverse, canali- 
culato, lateribus parum rotundatis, valde marginatis, antice 
truncato, angulis anticis rotundatis, productis, posticis subrectis, 
iimlto reflexioribus, basi sinuato, breviter lobato, marginibus ad 
angulos anticos posticosque puncto setigero impressis ; elytris 
convexis, prothorace parum angustioribus, basi subtruncato, 
humeris vix notatis, obsolete seriatim punctulatis, postice duobus 
punctis majoriVjus impressis, tibiis aiiticis extus trideutatis. 
Long. 22 mm., lat. 8 mm. 
Black, with a narrow bluish-green margin to the prothorax 
and elytra. Head large, subquadrate (4 x 51) ; the frontal sulci 
deep, diverging slightly towards the back, in front turning shar|)ly 
out towards the anterior angles of the head ; pre-ocular processes 
prominent ; the clypeal teeth strong, the clypeus truncate between 
them ; one supra-orbital puncture on each side. Prothora.x 
