LlTH. 



352 



Port Griffith near Pittston, Pa. in the collection of M. Lacoe. 

 Zittel's Handbuch, 1885, Vol. 2, p. 754, fig. 931, natural size.— 

 Note. See Mylacris anthracophila.— I add Zittel's fig. 933, 

 (enlarged 5-2), of Sciidder's SpiloUattina gar diner i, from the 

 Trias of Colorado, to show how the cockroach wing was changed 

 in the ages following the Coal. — XIIL 



Lithomilacris pauperatum. Scudder, Mem. B. S. N. H. 

 from same place ; in Lacoe's collection. — XIIL 



Lithomilacris pittstonianum. Scudder Mem. Post. S. N. 



H. Vol. 3, 1879, 



X/ .:^^^F .^l^^^^^T'^^^^^"* —...-^ /^ pi. 5, figs. 4, 10, 



another cock- 

 roach from a 

 ^ Port Griffith 



Suici . /875 ~ ^— X. ' PiTiSn. bed near Pitts- 



ton, Pa. Lacoe's collection. — XIIL 



Lithomyza condita. See Appendix, 



Lithopsis jB.inbricata. See Appendix. 



Lithostrotion canadense. (Z. mamillare^ CoUett. — Ax- 



fnd. ISai. 



