178 Notes on Australian “Coleoptera. 
feebly striated; posterior half of the margin impressed ; 
abdomen, legs, palpi, and antennz yellow. 
Paroo River, in the interior of New Holland. 
Forticosomus Lateralis : length 3’ ; of a dark brown, with 
a broad yellow border round the elytra; head very lightly 
impressed between the eyes; thorax transverse, very 
rounded laterally, with the anterior angles rounded, and the 
posterior ones very little marked; there is no longitudinal 
sulcate, but in front and behind a feeble transverse impres- 
sion; elytra rather oblong, rounded, having their disk- 
covered with punctated striz, the margins being smooth; 
lower side of the body of a light reddish brown; legs, parts 
of the mouth and antennee of a light yellow. 
Paroo River. 
Forticosomus Minutus : length 24’; very much like the 
precedent, but the elytra more oblong, with the sides 
parallel; the punctated striz very feeble, but extending 
nearly to the margin. The insect is of a reddish brown, 
with the elytra darker, but having the humeral angles of a 
dark red. 
Paroo River. 
Forticosomus Edel: length 94’; of a shiny brown; 
head with two feeble and oblique impressions in front; 
thorax transverse, rather cordiform, rounded laterally, with 
the posterior angles obtuse, and the anterior acute ; all its 
impressions are very faint; elytra depressed, truncated 
in front, margined with rather weak striz, the intervals 
between which are flat and not convex; the margin is feebly 
impressed. 
From Swan River. 
Forticosomus Nuytsii: length 7’;-of a brilliant. black ; 
head with two large, but not deep punctiform impressions 
between the eyes; thorax short, transverse, cordiform; the 
anterior angles advanced and rather rounded, the posterior 
almost straight, or very little obtuse; the impressions are 
moderately marked, and on the posterior margin are nume- 
rous but faint longitudinal striole; elytra broad, with the 
humeral angles acute; they are rather deeply striated, and 
their margin is impressed ; lower side of the body, legs, an- 
tenne, and palpi, of a reddish brown. 
Nicol Bay, Western Australia. 
