collected in Australia and Tasmania. 367 
anterior more broadly, dilated in the male than in the 
female: this is not so in any of the species before me, 
the second and third joints only being dilated and the 
penultimate one small. Diphyrrhynchus chiefly differs 
from Phaleria in having a much more prominent tro- 
chantin to the middle coxe. 
Diphyrrhynchus ellipticus, n. sp. (Plate VIII., fig. 1, ¢.) 
Regularly elliptic, convex, pitchy-black with a brassy lustre, 
opaque or slightly shining. Head short, deeply sunk into the 
prothorax, rather convex, finely and sparsely punctured; the 
epistoma very deeply emarginate for the reception of the labrum, 
separated from the sides of the front only by a faint (sometimes 
quite obsolete) oblique groove ; eyes coarsely granulated, oblique, 
small, the lower portion slightly larger than the upper portion, the 
antennary orbits as seen from above) extending nearly half-way 
across them; antennz fusco-testaceous, short, scarcely reaching the 
base of the prothorax, the outer five joints gradually widened, 
8-10 transverse, 11 twice as long as 10, rounded at the apex ; pro- 
thorax short, at the base about two-and-a-half times as broad as 
long, convex, the sides rapidly converging from the base, a little 
rounded anteriorly, and sharply but finely margined, the base feebly 
trisinuate and with a very shallow triangular fovea on either side, 
the anterior angles rather prominent, the hind angles subrectangular, 
the apex broadly and somewhat deeply emarginate, the disc very 
minutely and sparsely punctured, the lateral portion more distinctly 
punctate; scutellum broadly triangular, short, large, minutely 
punctate in front ; elytra regularly convex, scarcely wider than the 
prothorax at the base and forming almost a continuous outline 
with it, very sharply margined.and somewhat rounded at the sides, 
obsoletely and minutely punctate-striate, the strize becoming deeper 
towards the apex, the interstices very minutely, sparsely punctate, 
flat at the base, slightly convex towards the apex, the punctures of 
the striz closely placed and very little coarser than those of the 
interstices ; beneath piceous or pitchy-brown, shining, sparsely 
pubescent, and sparsely, moderately finely punctured ; legs pitchy- 
brown or fusco-testaceous ; the tibiz coarsely roughened and setose, 
flattened and dilated, the anterior pair very broad ; prosternum 
horizontal, widened and produced behind, ovate, the mesosternur 
obliquely carinate on either side and excavate in the middle for its 
reception. ¢@. Anterior and intermediate tarsi with the second 
and third joints broadly dilated. Length 4:—6, breadth 2*—3 
mm. (¢ ®. 
