462 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 



corresponds more closely with S. cessus of our western states and 

 Mexico than with anything else I have seen. The size of the two is 

 almost identical and the nature of the sculpture, as well as the arrange- 

 ment of the duplicate series is very similar. On account of the fineness 

 and indistinctness of the punctuation of the striae and interstices I 

 have not attempted to trace it in detail with the camera lucida except 

 in one or two areas where it is particularly well preserved. The courses 

 of the striae are, for the most part, shown on the figure in solid lines. 

 The surface is alutaceous throughout, but this minute sculpture may 

 be due to the texture of the stone. 



CERAMBYCIDAE. 

 PHYMATODES Mulsant. 



A species of this genus (Phymatodes volans) has been described from 

 the Florissant shales by Cockerell and Beutenmueller. The one 

 which follows is almost too large for a Phymatodes and the reference 

 is to be considered entirely provisional. 



PHYMATODES MIOCENICUS, sp. nov. 

 Plate 9, fig. 1. 



Represented by an elytron and a portion of a leg, the structure of the 



latter indicating that the insect does not belong to the Buprestidae, 



where similar elytral color patterns are not uncommon. Elytron 



elongate, in comparison with its width, the humeral region some- 



what prominent, the outer margin sinuate behind the humerus, nar- 



rowing the elytron to about the middle whence it broadens for a short 



iistance before narrowing again to the truncate unarmed apex. The 



urface is finely punctate or scabrous, the color dark, (brownish on the 



stone) crossed by two well-defined whitish bands, nearly at right 



ang es to the suture, which divide the elytron into three almost equal 



h 7 s T V1S ! upon the wing cover ' but the ^ show u p n 



h ' 



?^ 1S w y , T e "- preserved P rtion f the leg. Length 

 10 50 mm. Width across posterior band 2.30 mm 

 Described from one specimen with counterpart. 



