354 Mr. F. Bates's descriptions 
apex ; at each side a shalloAv furrow extending fi-om near 
the shoulder to near the apex: underside black ; legs 
pitchy-black, shining ; head beneath coarsely punctured ; 
underside of the expanded margins of the prothorax finely 
transversely wrinkled ; prostcrnal process narrowly rounded 
behind, sulcate at each side between the coxte, and — together 
with the legs and abdomen — punctured, the punctures of 
two sizes, the smallest being the most numerous ; femora 
ti-ansversely rugulose ; abdomen longitudinally rugose at 
each side. 
Long. 10 lin.; lat. elytr. 4^, lin. 
Ilab. — South Australia. One example. 
CYPHALEIDES. 
Amarygmimus, n. g. 
$ . — Mentum trapezoidal, very convex ; labial palpi short, 
last joint large, triangular; maxillary palpi short, very 
robust, last joint very large, broadly securiform : head 
short, Avide, almost rounded in front, deeply immersed in 
prothorax : front declivous, longitudinally depressed, or 
channelled : antennary orbits slightly reflexed, rounded : 
epistomal suture well marked, almost semicircular : eyes 
large, prominent, transverse, slightly notched in front, not 
approximate : antenna rather short, the joints becoming 
thicker, gradually shorter, and more strongly obconic, 
outAvardly ; 9 — 10 transverse; 11 large, briefly ovoid: 
prothorax transverse, moderately convex ; slightly sinu- 
ously emarginate in front ; sides gradually narrowed from 
base to apex, a little incurved at the hind angles, finely 
mai'gined ; base broadly lobed in the middle ; none of the 
angles at all prominent : scutellum large, equilaterally 
triangular : elytra oblong, convex ; base sinuous and 
closely applied to prothorax ; shoulders strongly rounded ; 
sides subparallel to three-fourths their length, thence 
gradually narrowed to apex, finely margined : epipleural 
fold complete — but much narrowed — behind : prosternum 
short, very strongly compressed before the coxjb, keeled, 
the keel terminating in front in a conical tubercle ; the 
process broad, a little declivous and broadly rounded 
behind : mesosternum vertical in fi'ont, deeply notched, or 
excavate, in form of V: metastcj-num elongate: intercoxal 
process rather narrow, rounded in front : leys rather 
