COLEOPTERA, 51 
1. Those in which the body is oval; the thorax nearly trapezoidal, 
arcuated laterally, or forming a semioval, truncated anteriorly, 
wider than the abdomen, at least at its posterior margin, but slightly 
or not at all bordered; in which the maxillary palpi terminate by a 
securiform joint or one of an analogous figure, and where the an- 
tenn insensibly enlarge. In 
Crypricus, Lat—Buars, Fab., 
The body is convex and smooth above; the head exposed or but 
slightly received into the emargination of the thorax, and its ante- 
rior edge unemarginate ; the eyes exterior or entirely outside of the 
anterior concavity of the thorax; and this last part insensibly in- 
clined on the sides and but slightly emarginated before. The antennze 
are almost as long as the thorax, and most of their joints in the 
form of a reversed heart or turbiniform, the penultimates alone being 
more rounded or almost granose, but not transversal.* The tibie 
are always narrow and elongated, and the spurs of their extremity 
tolerably salient *. 
Opatrum, Fab. De). —Puyian, Meg. 
The body generally less elevated and even frequently depressed ; 
the head and eyes received posteriorly into a deep notch in the 
thorax, with a small anterior emargination in which the labrum 
is fixed. 
The thorax is depressed along its sides; the antennze are shorter 
than the thorax,. mostly granose, and the last joints lenticular and 
transversal. 
The elytra are scabrous or striated. The spurs of the tibiz are 
very small, and the two anterior are broad and triangular in several. 
O. sabulosum ; Silpha sabulosa, L.; Oliv., Col., TIT. 56, i, 4. 
Length of the body four lines; black; usually appearing of a 
cinereous-grey above; oval; thorax arcuated laterally, and rather 
wider in its middle than the abdomen. Fach elytron has three 
longitudinal elevated lines, each of which, on each side, is ac- 
companied by a range cf little tubercles, arranged alternately 
and frequently uniting with them; between the exterior margin 
and the first line, and between the last and the suture, there is 
also a series of similar tubercles. The anterior tibie are wider 
and triangular. Very common in all Europe in sandy locali- 
ties, and appearing with the first fine weather in spring +. 
2. Those in which the body is narrow and elongated, almost of 
the same width posteriorly or wider; where the thorax is nearly 
square, and at least almost as long as it is broad, and where the an- 
tennee form a thick club, or are abruptly dilated at the extremity. 
* Pedinus glaber, Lat., Gener. Crust. et Insect., II, p. 164; Helops glaber, 
Oliv., Col., III, 58, ii, 12; Blaps glabra, Fab., and some other undescribed species 
- from Spain and the Cape of Good Hope. 
+ The Opatr., 7, 8, 10, Oliv., Ib. See Encye. Méthod., article Opatrum, and 
the Catalogue, &c., of Dejean. The genus Phylan, Meg. and Dej., presents no 
character which clearly distinguishes it from that of Opatrum. 
