808 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix 



f Palrohldffari.r HcnmwAi, Mem. Boston Soc, III, 1879, p. 128, pi. vi, fig. 11. 



Loca lit (/.—Sydney, Cape Breton. Middle Coal formation; Alle- 

 ghen}" stage? 



A very imperfect fragment of a wing. 



DIDYMOPHLEPS CONTUSA (Scudder). 



Termes contusus Scudder, Proc. Boston Soc, XIX, 1878, p. 300. 



Didymophleps contma Scudder, Mem. Boston Soc, III, 1885, p. 330, pi. xxix, 



fig. 6. 

 Goldenbergia contusa Brongniart, Bull. Soc. Rouen (3), XXI, 1885, p. 61. 



Locality. — Vermilion County, Illinois. Pennsylvanian; Allegheny 

 stage ? 



Too imperfectly preserved. 



Mantis f Scudder, Geol. Surv. Illinoii*, III, 1868, p. 567, fig. 3. 



Locality. — Mazon Creek, near Morris, Illinois. Pennsylvanian; 

 Kittanning % (Allegheny) stage. 



Is probably an insect, but certainly no Mantis.^ yet can not be more 

 accurately determined. 



ARCHEGOGRYLLUS PRISCUS Scudder. 



ArchegogryUm priscus Sccdder, Proc. Boston Soc, XI, 1868, p. 402; Mem. 

 Boston Soc, III, 1885, p. 323, pi. xxix, figs. 2, 3. 



Locality. — Tallmadge, Ohio. Upper Pottsville; Sharon shales. 

 Scudder himself considered this form obscure, but nevertheless 

 placed it in the group of the protophasmids. 



CERCOPYLLIS JUSTICI^E Scudder. 



Cercopyllis justic'Ui' Scudder, Mem. Boston Soc, IV, 1890, \>. 471, pi. xlii, fig. 6. 

 Locality. — Fairplay, Colorado. Lower Permian. 



CERCOPYLLIS DELICATULA Scudder. 



Cercopyllis delicatula Scudder, Mem. Boston Soc, IV, 1890, p. 471, pi. xlii, 

 fig. 11. 



Locality. — Fairplay, Colorado. Lower Permian. 



CERCOPYLLIS ADOLESCENS Scudder. 

 Cercopyllis adolescens Scudder, Mem. Boston Soc, IV, 1890, p. 472, pi. xlii, fig. 12. 



Locality. — Fairplay, Colorado. Lower Permian. 



The 3 last-named forms w^ere regarded as cercopids by Scudder, but 

 why this was done no reason is to be found, for they could as well be 

 fragments of blattoids. 



