231 
hopeanus); the lightly-marked specimen is also without a 
median line. 
MAECHIDINUS, n. g. 
Head rather small. Eyes small and lateral. Clypeus 
Maxillary palpi small, the labial ones very sma Antennae 
mmne-, clu ree-jointed and rather small not 
much wider than greatest length; hind angles semicircularly 
excised. Scutellum semicircular. Elytra not c g the 
close to the base; claws long, thin, and simple. 
is genus appears to be allied to Caulobtus, and its front 
Side of the base of the prothorax is often present in 
Maechidius, near which the genus should be placed in cata- 
logues; but it is readily distinguished therefrom by the entire 
clypeus, exposed propygidium, and great distance between the 
second and third teeth of the front tibiae. 
MAECHIDINUS LATERICOLLIS, n. Sp. 
.. Head with dense, partially concealed punctures. Clypeus 
widely transverse, front truncate, sides gently rounded, hind 
n 
. Produced and acutely triangular; median line shallow ; punc- 
tures crowded and moderately large. Elytra with irregular 
nd. 
Hab.—Western Australia: Beverley (E. F. du Boulay). 
583. 
Deris 
