CURCULIONJD.E — C'UHCULIONIN.K — KKIKIIINIM. il<l 



DOKVTOALI'S (Jcnuar. 



Nearly fifty species of this ufenus are known, most of wliicli Ixlon^^to 

 the 01(1 World, thouirh North America possesst-s fourteen, found mo.stK in 

 rather hifjih latitudes. Two fossil species are known, hotli from Florissant. 



Tiihlf of till' spci'ic.s of Ihiri/loniiis. 



Protliitrax twice as liijili as long'; rostrum very gently arcuate irilliiimxi. 



rrothorax only a little more tliaii lialf as high again as long; rostrum ■e(»nsideral)ly 

 arcuate cocrritiin. 



DnrtYTOMIS WIM.IAMSI. 



IM. VI, Fi<r. 2. 



Tlie specimens refen-ed here seem pretty plainly to fall in I )orvtomus, 

 and in the vicinity, though not very close, of I). iDX'vkoUls LeConte. 'i'lie 

 head is very delicately scabrous, the eye pretty large, reuiforui, transverse; 

 the heak is twice as long' as the ])rothorax, mudi longer than head and 

 prothorax together, very genth' an<l rcgularh' arcnatc ami distincth' and 

 rather heavily striate ; the funi(de and clul) together arc ncarh- as lonu as 

 the beak, the second joint of funicle longer than the third. The prothora.x 

 is decidedly transverse, being twice as high as long, tapers verv rapidiv 

 and regularly w itii no anterior constriction, the surface denseK and rather 

 coarsely punctured with more or le.ss transverse punctures. I'.Ktra with 

 deeply impressed and punctate stria;, the punctures small : interspaces 

 feebl\' i)un(tate and clothed with short hairs. Femora stronolv clavate, 

 armed l)eneath with an acute tooth; tibia; verv slender. 



Length, excluding rostrum. 4-1""": rostrum. 1 -85 """ ; elytra, 2-5""" ; 

 height of l)ody, I'-.")""". 



Florissant, ( 'olurado. Two specimens, No.s. 7132, ITJlH). 



Named for the talented paleontologist, Prof. H. S. Williams, of Cornell 

 University. 



DOEYTOMUS COERCITUS. 



IM. VI, Fig. 4. 



1 place this species in l)or\tonius. to which it is certainK' closi4v 

 allied, altliougli the legs are shorter and the thighs appear to be stouter than 



