IKi TERTIAEY RHYNCHOPHOKOUS COLEOPTERA. 



Florissant, Colorado. Thirteen specimens, Nos. Tfif), 7B6, 768, TGO, 

 770, 772, collected ))y S. H. Scudder, U. S. Geological Survey; No. 1347, 

 collected by J. C. Hersey and oljtained by Dr. A. C. Peale, U. S. Geological 

 Survey; Nos. 1 and 33, collected by T. L. Mead; Nos. 453, 2112, 7033, 

 8033, collected by S. H. Scudder; No. 14736, collected by Miss C. H. 

 Blatchford. 



Anthonomus soporus. 



PI. XI, Fig. 1 



Anthon<>mu.s soporus Scudd., Tcit. Ins. N. A., 472-473, PI. viii. Fig. 10 (1890). 



Body rather stout, strongly arched, rapidly tapering in front of the 

 elytra, which are but little broader in the middle than at base. The head 

 is about a third higher than long, moderately full, })uuctate; eyes moder- 

 ately large, circialar; l)eak considerably longer than the prothorax, faintly 

 arcuate, equal, punctulato. I'rotliorax a little higher tiian long, tapering, 

 a little full, faintly punctate. Elytra much larger ;it l)ase than the })ro- 

 thorax, with nine ecpiidistant, rather coarse, not greatly elevated, coarsely 

 beaded ridges (representing l)y reversal punctate stria-) besides the sutural 

 ridge, the third and fourth from the sutural ridge being a little shorter 

 than the others which increase regularly in length from within outward; 

 the smooth Hat interspaces are fully twice as broad as the stria>. 



The specimen from White river seems to have a stouter rostrum, but 

 is apparently of the same s})ecies with the others. 



Length, excluding rostrmn, 3""" ; rostrum, 07 """; elytra, 2"'"'; height 

 of body, 1-3"™. 



Green River, Wyoming, from Fish cut. Two s])ecimens. No. 48, Prof 

 Leslie A. Lee, No. 193, Dr. A. S. Packard. The same, from Iduffs behind 

 town. Four specimens, Nos. 718 and 73i), 728, 737, 743, U. S. Geologi- 

 cal Survey. White river, Colorado, next Utah line. One specimen. No. 

 604, U. S. Geological Survey. Roan mountains, western Colorado, from 

 richest beds at summit of bluffs overlooking head of East Salt creek. One 

 specimen, No. 1048, U. S. Geologi(;al Survey. 



