226 NATURAL History BULLETIN. 
Prothorax' twice as wide as long, armed at sides with three re- 
curved spines, elytra with one discal line, antenne geniculate. 
RueExius, Lec. 46 
d® Body depressed, antenne thicker towards the apex. 
ff Tarsi with a single claw, antennal club three-jointed, vertex arcuately 
impressed, not produced in front. ‘ 
Body broader, lateral margin of the pronotum crenate, prosternum 
- carinate, fourth dorsal segment not prolonged. 
THESIUM, Casey. 48 
Form convex, not depressed, dorsal abdominal border moderate, 
slightly retuse, dorsal segments five, subequal, the fourth not 
prolonged, visible ventral segments five, the two basal ones 
longer h- ane - - - TRIMIOPLECTUS, Brendel. FO 
Form depressed, linear, abdominal border wide, retuse, the three 
basal segments equal in length, the fourth prolonged, consist- 
ing of two segments united, ventrals six in female, seven in 
male, of equal length. - - - Euetectus, Leach. $3 
Form depressed like Euplectus, prosternum carinate, the fourth 
dorsal segment not prolonged, eves of female rudimentary. ’ 
EUTYPHLUS, Lec. 
Body slender, pronotum with lateral longitudinal grooves, pro- 
sternum carinate, fourth dorsal not prolonged, 
FALISCUS, Casey. 
J? Tarsi with two equal claws, body linear, antennal joints gradually slightly 
larger towards the apex. - - - - - Faronus, Awdé. 
CroPpHyLius, Leconte (xéo, L hide, gi24ov, a leaf). 
Antennal tubercles transverse, contiguous, antenne eleven- 
jointed, palpi with the two terminal joints lamellate. Pubes- 
cence short, appressed. Tarsi with two equal claws, anterior 
femora each with three strong spines. Body elongate, not 
compact. 
C. Moniuis, Lec. Cinnamon-brown, impunctate; length, 
3-3 mm. Plate VI., Figs. 7,8 andg. Head from base to 
frontal margin as long as the prothorax; width between (but 
excluding) the eyes, three-fourths that of the prothorax. Base 
evenly rounded, tempora not prominent, as long as the eyes. 
Frontal tubercles transverse, divided by a fine fissure which 
ends in a deep, oblong impression one-third the length of the 
head. Eyes not prominent, facets fine. Disk evenly vaulted. 
72 
74 
7 
