688 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXIX. 



LARVAI. PAL.EODICTYOPTERA. 



(PAL/EODICTYOPTERON) MAZONUM, new species. 



Locality. — Mazon Creek, near Morri.s, Illinois. Peniis\'lvanian-, 

 Kittanuing 'I (Alleg-heny) stag-e. 



Kk;. 11. — (Pal.eodutyoptekon) mazunvm. 



A portion of a wino- pad of cambered and .stoutly pointed form; 18 

 mm. in length. 

 Holotype.—Odt. No. 38831, U.8.N.M. 



(PALi^ODICTYOPTERON) LATIPENNE, new species. 



Locality. — Braidwood, Illinois. Pennsylvanian; Conemaugh 'i 

 stage. 



Fig. 15.— (Pal.kodictyopteron) latipenne. 



A wing pad 22 mm. long, with gentl\' curved anterior margin, 

 broadly rounded tip, and ])roader base. 

 llolotype.—C^t. No. 38838, U.S.N.M. 



(PALiEODICTYOPTERON) VIRGINIANUM, new species. 



Locality. — McGinnis's mine, near Redbird, West Virginia. (Ra- 

 leigh ? Pottsville ?). 



Probably 400 feet above the Hampton conglomerate. Soft coal. 

 Raleigh sheet. Collector, B. F. Phillips. 



