Itf TEKTIAKY C'OLKOPTERA OF NORTH AMERICA. 



the surface slightly roughened, the color testaceous. It differs from any 

 Nebria I have seen in that the sutural stria runs uninterruptedly to the ba>e, 

 while a short, oblique, faint, supplementary stria runs between the first and 

 second stria 1 into the former near the base. 



Length of elytron, 7.2;") nun.; breadth, 2.7.~> nun. 



Florissant, Colorado; one specimen, No. KJ3S2. 



HEMHIDIUM Latreille. 



Of this dominant genus, dominant especially in the north temperate 

 zone, and of which more than one hundred and twenty species are known in 

 America, a number have been found fossil. Most of these, including five 

 existing species and ten in all, are confined to the Pleistocene of France, 

 Bavaria, (lalicia, Ohio, and ('anada; the others, seven in number, come 

 from the middle and lower Tertiaries of Radoboj, Aix, Amber, and Colorado, 

 while the genus has been recognized also at Oeiiingen and in Alsatia. The 

 following species are included in the above enumeration: 



BEMIUDIUM EXOLETTM. 



Ili niltiiliiiiii >. ml, t it in Scudd., Bull. t". S. (ieol. Cit'oyr. Surv. Terr., II. 77-Ts (1876); 

 Tert, Ins. N. A.. 530-531. pi. .\ tigs. 121, l2 (Is'.id). 



White River, Colorado. 



BEMBIDIUM GLACIATUM. 



]jiiii>iii'nini i/I/iciiitiini Scudd.. Tcrt. Ins. X. A.. .V>1, pi. 1. fig. 40 (18HO): Contr. 

 Canud. Puhi'ont.. II. :>:;- ;>4 (is'.i-'). 



Clay lieds oi Scarboro, Ontario. 



HEMBIDR-M FKAGMENTUM. 



i fragmt ntum Scudd.. Tcrt. Ins. N. A., 5:U-5:-!i\ j>l. 1. tiy. 45 (18i)0): Conlr. 

 ( ':ni:i(l. 1'ula'unt.. II. ;, I ( l,V.i'). 



Chi}' Itetls near Cleveland, Ohio. 



BEMBIDIUM <>ia>r<'Tr.M sp. nov. 

 I 'I. I. ii<r. ;. 



Allied to II. Nitn/ilr.r !,(('. The liead is of the usual form with large 

 projecting eye-, and the antenna- are long and slender, with long and 



