32 TERTIARY COLE< >PTERA OF NORTH AMERICA. 



Length of body, 7 mm.: of antenna', 2.75 mm.: breadth ot elytra, 

 3.1 mm. 



Florissant, Colorado; one specimen, Nos. X728 and !H77. 



In memory of the late Leo Lesquereux, who lirst illustrated the 

 Florissant flora. 



CYMINDIS Latreille. 



Two species of this genus occur in the Pleistocene of the New World 

 in Canada and Massachusetts while in Europe two other species occur in 

 the older Tertiaries of amber and of Oeniiigeu. At the present time the 

 genus is tolerably rich in species and is found mostly in north temperate 

 regions, and North America has its fair share. 



CYMINDIS AURORA. 



('i/inin<l!x <nn'r<t Horn. Trans. Am. Ent. Soc., V. 2-3 (1876); Scudd., Tert. Ins. 

 N. A., r.ls. pi. 1. tig. c, (isito). 



Bone caves of Pennsylvania. 



( 'YMINUIS EXTORPESCENS sp. nov. 

 PI. Ill, tig. 4. 



This species is described by me in a chapter on the Pleistocene beetles 

 of Fort River, forming part of Monograph XXIX of the United States 

 Geological Survey, by Prof. K K. Emerson. 



Hadley, Massachusetts. 



HRACHYNUS Weber. 



A cosmopolitan genus, prettv rich in species, of which about twenty- 

 five occur in America. Three fossil species are now known, one from 

 ( )eningen. the others from Colorado. 



liRACIIYNUS NKVVKKRRYI Sp. 11OV. 



PI. III. fig. Id: PI. IV. fig. s. 



This species comes in the vicinity of //. (iHi'rmnin I )ej., but is somewhat 

 smaller, with shorter legs. Excepting in one specimen, which shows the 

 middle and hind legs in addition, only elytra are preserved. The legs are 

 slender, the tibi;e rather sparsely haired and armed at tip with rather short 



