30 TERTIARY COLEOPTERA OF NORTH AMERICA. 



PLATYNUS HARTTII. 



ri.ttijinix Jmrtt;; Scucld.. Tort. Ins. N. A., 522, pi. 1. tig. 31 (iJS'.tn): Contr. Caiuul. 

 Pahvont.. II. 4s-4'. (ls<>2). 



Clay beds of Scarboro, ( hitario. 



PLATYNUS C.ESUS. 



Platynus emus SoiuM.. Tort. Ins. N. A.. 522-523. p!. 7. tig-. 34 (is'tij). 

 Green River, Wyoming. 



PLATYNUS DILAPIDATES. 



I'l. II. tig. 4. 



J'/iifi/inix i/Hii/iiiliitiifi Srudd.. C'ontr. Canacl. Pahvont.. II, 49, pi. 3, fig. "2 (1.S1I2). 

 Clay beds of Scarboro, (.hitario. 



PLATYNUS TARTAREUS sp. nov. 

 PI. III. tigs. 7-U. 



Somewhat nearlv allied to P. xiinmfnx Dei. The anteniuv are loii"-cr 



' O 



than the head and thorax together, tlu- head as well as the thorax with a 

 median impressed line. Protliorax nearly lialf as broad again as the head 

 (not including the projecting eves) whidi is a little narrower than the length 

 of the prothorax; front and hind margins sipiarely truncate, the sides 

 strongly arcuate, snbangnlate, broadest about the middle, none of the angles 

 rounded. Klvtra with the humeral angle well rounded, the surface Hat and 

 smooth with delicate stria- and with apparently no interstitial punctures. 



Length of bodv, 11.4 mm.: breadth of elytra, 4.4 mm. 



Florissant, Colorado: four specimens, Xos. 244, 3405, S7GO and 

 9252, 11363. 



GALER1TA Fabricins. 



The following species is the only one known in a fossil state. The 

 ijeniis is rather poorly represented in the United Stales, but is cosmopolitan 

 in nature. 



