186 Mr. Curtis’s Descriptions of 
N. G. OpoNToscELIs. 
Caput latum, ovatum: oculi parvi, a basi remoti. Thorax sublunatus: scutel- 
lum latum, triangulare. Elytra elongato-ovata, basi angustata, apice 
rotuncata. Tibiæ anteriores emarginate, apice extüs in lobum longum 
productæ. Tarsi anteriores in mare dilatati, spinosi. Antenne caput 
haud superantes ; articulo basali reliquis crassiore, 2do subgloboso, 3tio 
clavato, sequentibus turbinatis paulló longiore. Palpi maxillares exte- 
riores, articulo 3tio et 4to brevibus hoc elliptico truncato, reliquis cras- 
siore; labiales articulis duobus apicalibus longioribus et gracilioribus. 
Mentum lobis duobus lateralibus magnis, lobo medio valido, conico. 
Labrum transverse, emarginate and bristly, the sides ciliated (fig. 107). Man- 
dibles porrected, robust, not very acute (m). Maxillary palpi with the 
2nd joint a little the longest, 3rd and 4th of equal length, the latter a 
little the stoutest, elliptic-truncate, most convex externally (p). Mentum 
semiorbicular, narrowly emarginate with a long conical lobe in the centre 
(11). Palpi with the 2nd and 3rd joints long, the latter elliptic-trun- 
cate. ——— M = 
Antenne not longer than the head including the mandibles, slender, 3 basal 
joints naked, Ist the stoutest, oval, 2nd the smallest, subglobose, 3rd 
scarcely so long as the Ist, the remainder turbinate, very much com- 
pressed and bristly, apical joint longer, and suddenly narrowed to the 
apex (a). Head broad and ovate (10): eyes small and oval, remote from 
the thorax, which is much broader than the head and lunate, being orbi- 
cular, with the anterior margin concave: scutellum forming a broad short 
triangle on the narrowed and uncovered base of the elytra, which are 
connate? not much broader than the thorax, convex, oval, margin in- 
flexed, apex rounded. Legs stout: thighs short, incrassated and hairy: 
tibiæ, anterior short, very much dilated at the apex, the outer angle pro- 
duced into a long curved lobe, with 2 strong spines, one at the base, the 
other at the apex of the notch, the intermediate and hinder tibiæ thickly 
clothed with short rigid bristles, especially externally, having strong 
spurs at the apex, which is pectinated: tarsi bristly beneath, anterior 
with the 3 first joints dilated and produced externally, fleshy beneath in 
