1V2 TERTIAIIY RHYNClIUPlIOliUUS COLEOPTBRA 



Anthonumus primokdius. 

 V\. V, Fig. 8. 



Body reliitively slender ;m<l cldiig-ate, scarcely larger at the middle of 

 the abdomen, subcylindrical. Head rather full, nearly as long as broad, 

 i-ather coarsely lint 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 stria-. 



Length, excluding snout, ^-f)"™; snout, 0-Gr)"""; height at thorax, l-'i"™; 

 at middle of abdomen, l-S""™. 



Florissant, Colorado. One specimen, No. 12484. 



Anthonomus evigilatus. 

 PI. V, 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 tapering beak, which is feebly arcuate and 

 considerably longer than the prothorax. Prothorax rather coarsely and 

 densely punctate, tapering from the base, neaidy half as high or broad again 

 as long. Elytra a little more than twice as long as broad, with distinct 

 punctate stria-, the interspaces also rather coarsely punctate, as seen in 

 Fig. 12. 



Length, excluding snout, S'G™'" ; snout, 1™"'; height at thorax, M"""; at 

 middle of abdomen. If)"™. 



Florissant, Colorado. Three specimens, Nos. 2897, 9520, 11249. 



Anthonomus debilatus. 



PI. V, Fig. 15. 



Body rather stout, somewhat broader in middle of abdomen than else- 

 where, but the elytra not strongly arched. Head rather full, nearly twice 

 as broad as long, ol)S(urely and not coarsely punctate; eye small, circular, 



