GUIICIIJOMD.K— ('ri;('rLIONIN,E— rHYI'TOIMIVNCHINI. 127 



as tlic [irntliorax. I'i'otliorax \i'ry faiiitl\' ami ipparcnth' \ri-\- fincl\' piiiic- 

 tate, l)ut aliiKtst smooth, slio-jitly tapcriii}^', the dorsal outhiic Liiiitlv arcuate, 

 fnllv lialt' as hijrli a<jain as ]ou<r. Klvtra t'eel)l\- and tiiielv pmictato-striate, 

 tlif |iuii(luatiuii a htth- wider than the stria, the iiitersjjaces Hat, and with 

 feeble sip-ns of exceedingh delicate punctuation. 



Length, excluding rostrum, ."JS"""; rostrum, O-T"""; lieiglitof body, l-f)"'"'. 



Roan nioinitains, wi'stern ( 'olorailo, tVuin ihe richest beds at crest of 

 bluff overlooking head of Kast Salt creek. < )ne speiimen, Xo.-;. 1031 and 

 1032, U. vS. Geological Survey. 



Cryptoriiynchu.s kkrri. 



PI. VI, Fig. 21. 



IJodv ovate. Head short, the length rarely more than une-third that of 

 the prothorax, finely and dosidy punctate: the eyes small, a little oval an<l 

 transverse; beak slemler, gently arcuate, aiiuiif as long as head and pro- 

 thorax together. I'rothnrax denselx ami latlier cn,irsel\- punctate, slightly 

 tapering, well rounded, about half as high again as Ioul;. I'nder surface of 

 thorax punctate, like the prothorax. l''d\ tia rather liea\il\' and unitormlv 

 punctato-striate, the stria' dee|il\- and iniitoiTuK' imjiressed, the interspaces 

 flat, \\ith \er\' feeV)le signs of shallow |iuiictuatiou. 



Length, excluding rostrinn, •_'-8"'"': rostiinn.O-S"""; iieight of bodv, 1 •<;""". 



Floris.sant, Colorado. Twelve specimens, Nos. 47(!, 17<S!), (J14<S, 7fi47, 

 8105 and 047."). 8487. 8534, 8718, 9084, ITJCO, 11304. 13(;38. 



Named in memory of the talented geologist, the late I'rof W. C. Kerr, 

 of North Carolina. 



CrVI'T()I{|IVN( III s I'lMFlSUS. 



I'h VI. Fig. IS. 



Body ovate. Head moderately long, the length usualK .ibout lialf the 

 length of the prothorax, finely and c1osel\ punctate; the eves moderately 

 large, transversely oval, longer than the l)readth of th(> rather .slender 

 rostrum, which is gently arcuate and a little shorter than liea<l and thorax 

 together. Prothorax densely and rather <'oarselv punctate, ra])idly tapering 

 with a full curve, nearh- twice as high or lnoad as long Klytra consider- 



