ANTIIJJIIUD.K— AK.KOCKKINI. 167 



HRACllYTARSrs PRISTINUS. 



BraehytardUH pristinm Sciuld.. J lull. I'. S. (Icol. Uwgr. Siirv. Terr., ii, 87 (1876); Tert. 

 Ins. N. A., 4G6, I'l. Vii. Fig. I'li (1890). 



Nothing' can be added to the orifiinal description. 

 Green River, Wy()iniii<i-. 



Tribe AR^EOCERINI. 



A single species of this tribe has been tuuiid tussil in Europe and one 

 in .\iuerit'a, in cacli case referrcil \n Choragus. The European occurs a 

 Kott, the Ainericaii at Green River. 



CHORAGUS Kirby. 



The minute species of tliis genus, few in number, are di\nded between 

 Europe and America. Heyden has described a fossil species from Rott on 

 the Rhine, and one ver}- different species has occurred at Green River, 

 AVyoming. 



Choragus fictilis. 



ChomguK fietilis Sciultl., Tert. Ins. N. A., 4C.'}-4(;(;, IM. viii, Fig. 9 (1890). 



The original single specimen is all that is known. 

 Green River, W}'oming. 



