NOKTH AMKKICAN COLEOPTKRA. 
189 
Elytra distinctly striate and punctured, leaving the pygidunn, at 
least in the male, more or less exposed, rrosternum short, very 
rarely (A. rvfipes, disjunctvs) somewhat elongate in front of the 
coxie. Mesosternnm at least moderately wide between the coxa?. 
Ventral segments variable; pygidium visible. Thighs generally 
toothed, more rarely mutic. Tibial armature distinct, anterior and 
middle tibiie unguiculate, posterior mucronate at apex. Claws gen- 
erally armed with a large, distinct, more rarely with a small, incon- 
spicuous tooth. 
This genus contains by far the largest number of species, which 
vary greatly, not merely in their general habitus, but also in more 
important characters, possessing at least a subgeneric value. I have 
deemed it, therefore, expedient to establish a number of subgenera, 
in in-eference to still further increasing the number of those having 
full generic value. As will be seen, I have included Coccotorus Lee. 
in the present genus, as the unusually deep emargination ot the fifth 
ventral segment of the S , has after all but a relative value, and 
should therefore not remain distinct. 
Synopfiis of the subgenera of Anthonomns. 
Fifth ventral .segment of male deeply emarginate. Plate v, fig. 5. 
(1) Coccotorus. 
Fifth ventral segment of male not or only feebly emarginate. 
Ventral segments 1-4 short, fifth longer in the male; first segment short behind 
the coste. Middle cosm more widely separated. Plate v, 
figs. 6(1, (2) Anthonomocyllus. 
First ventral segment not short behind the co.xfe.. Middle coxm less widely 
separated . 
Posterior tibise alike in both sexes. 
Eyes small, subrustral. Plate v, figs. 8. 8a (3) Anthonomorphus. 
Eyes at least moderately large, position normal. 
Pygidium deeply excavated longitudinally (6) Paranthonomus. 
Pygidium convex, not excavated. 
Yestiture of derm not intermixed with erect seta?.. 
Prosternum deeply emarginate in front; seventh joint of funicle 
subcontiguous to the club. PI. v, fig. 9.. .(4) Trichobaropsis. 
Prosternum not emarginate in front, last joint of funicle distinct 
from the club. 
Club strongly elongate, joints loosely articulate. Plate v, figs. 
10a and il --(5) Leptartbrus. 
Club elliptic or ovoidah not very loosely articulate. 
(7) Antbonomus. 
Yestiture of derm intermixed with erectset?e..(8) Antbonomoebseta. 
Posterior tibise of male curved. Plate vi, figs 20a, etc (9) Cnemocyllus. 
