OTlOim Y>XUlDJi — OTlUliUi> CllLN 1 . 47 



fellows by cnnsi(leral)ly iiiDic than its own diameter ; tlic interspaces flat 

 and densely clothed with rather coarse pile. 



Length, 7'""' ; breii4i-h, 3"'"'. 



Florissant, Colorado. One specimen, No. 96!) and 970, U. S. Geolog- 

 ical Survey. 



Otiorhynchite.s ty.soni. 

 IM. IX, Fi<;-. 12. 



Elytron of moderate length, the inner margin straight,- the outer .strongly 

 convex, the apex pointed, scarcely outside the line of the inner margin; ten 

 not very deeply impressed stria?, all but the first, second, ninth, and tenth 

 subconflueut at .some distance before the tip, these, and especially the first 

 and second, evanescent beyond the others, leaving a considerable portion of 

 the tip smooth; puncta small, rather deeply impre.ssed, slightly elongated, 

 distant from each other by scarcely more than their own length; iutenspaces 

 flat, smooth. 



Length, 6"""; breadth in advance of middle, 2-75"'"'. 



Koaii mountains, western Colorado, frnm the richest beds at top of 

 bluff at head of East Salt creek. One specimen, No. 199, U. S. Geological 

 Survey. Green River city, Wyoming, bluffs behind town. ( )ne specimen, 

 No. 791, U. S. Geological Survey. (This last is placed here with umch 

 doubt.) 



1 have given this species the name of the late Philip T. Tyson, the 

 geologist of Maryland. 



Otiorhynchites fossilis. 



PI. viii. Fig. 9. 



El}tron of moderate length, the inner margin nearly straight, the outer 

 very strongly convex, the elytron nairowing strongl}- at base, the apex 

 bluntly pointed; ten deeply impressed, sharp stria", the second and third 

 strongly arcuate at apex, almost meeting the tenth and inclosing a small 

 open space, where the intermediate stria> converge but do nut become even 

 subcoufluent, fading apically; puncta strong, those of the first stria linear, 



