112 TERTIARY RHYNCHOPHOROUS COLEOPTERA. 
ANTHONOMUS PRIMORDIUS. 
Pew, +e 75: 
Body relatively slender and elongate, scarcely larger at the middle of 
the abdomen, subcylindrical. Head rather full, nearly as long as broad, 
rather coarsely but somewhat feebly punctate; eye circular, small, rather 
smaller than the rather slender, gently arcuate beak which is about as long 
as the prothorax. Prothorax more than half as high again as long, rather 
coarsely and uniformly punctate, more strongly and a little more densely 
than the head. Elytra with feeble striz. 
Length, excluding snout, 35™"; snout, 0°65™"; height at thorax, 1-2™"; 
at middle of abdomen, 1°5™". 
Florissant, Colorado. One specimen, No. 12484. 
ANTHONOMUS EVIGILATUS. 
PI. vy,’ Figs..9; 12: 
Body moderately stout, not elongate, not greatly larger in the middle 
of the abdomen. Head moderately full, about half as broad again as long, 
feebly punctate above, transversely striate below ; eye small, circular, in- 
ferior, smaller than the slender tapermg beak, which is feebly arcuate and 
considerably longer than the prothorax. Prothorax rather coarsely and 
densely punctate, tapering from the base, nearly half as high or broad again 
as long. Elytra a little more than twice as long as broad, with distinct 
punctate strive, the interspaces also rather coarsely punctate, as seen in 
Fig. 12. 
Length, excluding snout, 3-6"; snout, 1"; height at thorax, 1:1"; at 
middle of abdomen, 1:°5™. 
Florissant, Colorado. Three specimens, Nos. 2897, 9520, 11249. 
ANTHONOMUS DEBILATUS. 
Plow, Figs 15. 
Body rather stout, somewhat broader in middle of abdomen than else- 
where, but the elytra not strongly arched. Head rather full, nearly twice 
obscurely and not coarsely punctate; eye small, circular, 
as broad as long, 
