. The fossil insects of North America, with notes on some European species [microform]. Insects, Fossil; Insects; Insectes fossiles; Insectes. 'd'Ai Mesoblattina? lithophila. Miimi UfJinjtJii'la Germ., Acta Aciul. , xix, 222, PI. 23, fij?. 10; Woyonh., Aifli. aius. Toyl., II, ;)0-2r)7, PI. :{1, ^i<,^ 2; Asmu., Ik-ikht Vers, deutscli. Natuil'. L. 102. Itlattldium /{froldhif/idnum I leer, Vleilelj. natiirf. Gesellscli. Zi'lricli, IX', PI , fig. 8. Assinann is jjrobahly correct in referring I leer's species to the one earlier (leseril)e(l by Gennar, and it appears probable
. The fossil insects of North America, with notes on some European species [microform]. Insects, Fossil; Insects; Insectes fossiles; Insectes. 'd'Ai Mesoblattina? lithophila. Miimi UfJinjtJii'la Germ., Acta Aciul. , xix, 222, PI. 23, fij?. 10; Woyonh., Aifli. aius. Toyl., II, ;)0-2r)7, PI. :{1, ^i<,^ 2; Asmu., Ik-ikht Vers, deutscli. Natuil'. L. 102. Itlattldium /{froldhif/idnum I leer, Vleilelj. natiirf. Gesellscli. Zi'lricli, IX', PI , fig. 8. Assinann is jjrobahly correct in referring I leer's species to the one earlier (leseril)e(l by Gennar, and it appears probable that it belongs to this genus, thongli no figures good enough to make it certain have yet been published, and its reference here is only by way of suggestion. The upper Avings are 10 mm. in length and the species comes from the Jurassic beds of Solenhofen, Bavaria. ElI8 Giobd (emend.) J^lis(im<t CJiebel, Ins. Yorw., 320; Scudd., Proc. Acad. Kat. Sc. Philad., 18Si), 113. Although Giebel misinterpreted the neuration completely, interchanging the costal and inner margins, the species on Avhich he founded the genus form a natural group, to â which I am now able to add others; his name may, therefore, be retained. The wings are not so slender, generally, as in Mesoblattina and Jtithma, and are more nearly allied to the lV)rmer, but the characteristics by which that is distinguished from liithmaare here intensilied. In none of the species known to me are there any specimens in which the base is com|)letely preserved, but what remains are i)reserved show, without reason for (loiil)l, that the wings are most peculiar in this very region. There is no sign in any of them of any Hej)arate humeral field, so characteristic of Wiihma and AIesol)lattina, and if it existed it nnist have been very slight. The anal area is also exceptionally small (\ni\ niiiinportant, rarely extending a fifth way do^ n the wing and having a very slight bi' adtli, the (iiial furrow ap[)eaiiiig to be eith
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1890
