428 



NORTH AMERICAN INDEX FOSSILS. 



Of the 115 known species of Palseodictyoptera, 28 have been 

 found in North America. Six of these are known from the Potts- 

 ville, ten from the Kanawha and Little River groups, 11 from the 

 ( — 1 



Fig. 1728. Eubleptus danieisi HdiVidWrsch, Mazon Creek, 111. {Rs, radial 

 sector; yl/, media ; Ciw, cubitus.) (After Handlirsch. ) 



Allegheny, and i from the Conemaugh. Examples: Haplophle- 

 bium barnesii Scudder (Fig. 1726), from the Allegheny? of 

 Sydney, Cape Breton; Titanodictya jucunda (Scudder) from the 



Fig. 1729. Paolia vetusta^ left anterior (?) wing, natural size. (After Smith,) 



Upper Kanawha group of Pennsylvania; Homothetus fossilis Scud- 

 der (Fig. 1727) from the Little River Group of St. John, N. B.; 

 Eubleptus danielsi Handlirsch (Fig. 1728) from the Coal Meas- 



