COLEOPTERA. 123 
These Insects are peculiar to South America *. The 
Sacra, Fab., 
Or Sagre properly so called, originally designated by the name of 
Alurne, are exclusively confined to certain parts of southern Africa, 
Ceylon, and China. Their palpi are terminated by an ovoid joint, 
the divisions of the ligula are short, the thorax is cylindrical, the an- 
tennz are almost filiform, longer than the head and thorax, with their 
inferior joints shorter than the others, and the four anterior tibiz 
tolerably thick, but slightly elongated, angular and straight. These 
Insects have a uniform but very brilliant colour, green, golden, or a 
fulgid-red, with a slight mixture of violet f, 
In the others, the palpi are thicker at the extremity, the eyes are 
entire, and the thighs of nearly equal thickness. The body is almost 
always elongated, narrow, slightly depressed, or but little elevated, 
and the thorax narrowed posteriorly, and almost always cordiform. 
Orsopacna, Lat., Oliv.—Criocrris, Fab., 
Where the antennzx are filiform and composed of obconical joints, 
where the last joint of the palpi is merely a little larger than the pre- 
ceding ones, and nearly forms a truncated ovoid, and where the tho- 
rax is at least as long as it is wide f. 
Psamuecus, Boudier—Awnruicus, ab.—Larrivws, De). 
Where the antennz, composed of short and crowded joints, gra- 
dually enlarge, and where the maxillary palpi are abruptly terminated 
by a stout triangular club. The thorax is wider than it is long. The 
body is more depressed than in the preceding species, the antenne are 
shorter, and the eyes less prominent §. 
The second tribe, or that of the Criocrripgs, is distinguished from 
the preceding by the mandibles, the extremity of which is truncated, 
or presents two or three teeth, and by the ligula, which is entire, or 
but slightly emarginated. 
It is composed of the genus 
Croicerus, Geoff—Curysometa, Lin., 
Which we will divide as follows :— 
Sometimes the mandibles taper to a point, and present two or three 
teeth at that extremity. The palpi are filiform. The antenne, of an 
ordinary thickness, are almost granose in some, and in others are 
mostly composed of obconical joints, or such as are evidently thicker 
at their superior extremity. 
* Besides Fabricius, Latreille, Olivier, Germar, and Dalman, see the excellent 
Monograph of this genus, published by M. Kliig, and the observation on this genus 
by Count Mannerheim, who, to the figures of certain species, has added some very 
good ones of the parts of the mouth. 
+ See Fab., and Oliv., V, 90. 
~ See Lat., Gener. Crust. et Insect. III, p. 45, and I, xi, 5; Oliv., Col. V1, 98, 
bis, and Gyll., Insect. Suec. III, 642. 
§ Anthicus 2-punctatus, Fab.; I place this genus here with some hesitation. 
K 2 
