92 LONGICORNIA. 
any rate in the species of Phrynidius (Dorcadidides), to which the existence of a groove 
is denied by him: the groove exists, although low down on the shanks. The funda- 
mental character of the existence of an epistome, or rather the exposure of the basal 
piece of the labrum, by which Lacordaire distinguishes three separate “ groupes” of 
Dorcadionini, does not possess that absolute importance which he attributed to it, 
several species of true Dorcadion (D. humerale, Gebl., and allies, also a new species 
from Peking) showing the basal piece as distinctly as do the Parménides. All these 
“groupes” of Lacordaire may therefore be fused into one. But from this his Hexatri- 
chides, I think, ought to be separated, as belonging to quite a different type. The 
Dorcadionini require further to be purified by the withdrawal of certain genera wrongly, 
as I think, admitted by Lacordaire and other authors into the group, e.g. Parmenonta 
and Mesolita. 
PHRYNIDIUS. 
Phrynidius, Lacordaire, Gen. Col. ix. p. 262. 
This genus, peculiar to Mexico and Central America, is closely allied to Microtragus, 
an Australian form agreeing in the shape of the head and in the insertion of the antenne. 
Lacordaire, however, placed the two genera in different “groupes.” The intercoxal 
process is of similar form in both. Three species are now known, two of which are 
new. 
1. Phrynidius singularis. 
Elongato-ovatus, tomento subsquamoso fusco vestitus ; capite retracto; antennis basi valde approximatis, ab oculis 
longe distantibus, corpore brevioribus, scapo elongato subcylindrico, articulis 3% et 4% elongatis ; thorace 
elongato, fere cylindrico, lateribus post medium tuberosis, dorso gibboso, tota superficie grossissime rugosa ; 
elytris elongato-ovatis, humeris nullis, grosse punctatis, utrinque tuberculis magnis circiter duodecim 
subseriatis ; pedibus modice elongatis, femoribus versus apicem paullo incrassatis; tibiis intermediis juxta 
apicem oblique sulcatis ; onychiis minus divaricatis. 
Long. 54 lin. 
Hab. Guaremaa, San Gerdénimo (Champion). 
The pro- and mesosternal processes are both strongly arched. ‘The intercoxal pro- 
cess is obtusely rounded at the apex. The metathoracic episterna are wholly concealed 
_by the sides of the elytra, which tightly envelop the flanks of the trunk and have a 
simple, narrow, and almost perfectly straight margin without thickened rim. The 
middle acetabula are open externally ; but, notwithstanding, the epimera do not intrude 
within the opening. The antenne are almost contiguous at their base, the antennife- 
rous tubers being short and vertical at the summit of the long trapezoidal forehead. 
The scape is long and nearly of equal thickness throughout ; the third joint is a little 
longer than the scape, and the fourth about a third shorter than the third, the two 
together being about one third the length of the whole antenna. ‘The eyes are very 
narrow, nearly divided, and coarsely granulated. | 
