554 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



43724. Ptilodictya hilli James. Plesiotype and figured sections. 



Lorraine (Ord.). Boyle County, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., V, 1882, pi. 7, figs.7, 7a. 

 = Escharopora hilli. 



43477. Ptilodictya ? libana Safford. Cotypes. 



Stones River (Ord.). Lebanon, Tennessee. 

 Safford, Geol. Tenn., 1869, P- 2S6 - 



43726. Ptilodictya maculata Ulrich. Cotypes and figured sections. 



L,orraine (Ord.). Covington, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., V, 1882, p. 163, pi. 6, 

 fig. 17, and pi. 7, figs. 4, 4a; Geol. Surv. 111., VIII, 1890, 

 p. 317, fig. 6b. 



= Escharopora maculata. 



43420. Ptilodictya magnifica Ulrich. Figured section of plesiotype. 

 Richmond (Ord.). Oxford, Ohio. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 391, figs. na-c. 



43725. Ptilodictya pavonia (D'Orbigny). Plesiotype and figured 



sections. 

 L/Orraine (Ord.). Cincinnati, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., V, 1882, p. 163, pi. 7, 

 figs. 3-3d. 



= Escharopora pavonia. 



43274. Ptilodictya perelegans Ulrich. Holotype. 



Richmond (Ord.). Near Clarksville, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., I, 1878, p. 94, pi. 4, 

 figs. 16, 16a. 



= Graptodictya perelegans. 



43727. Ptilodictya ramosa Ulrich. Holotype. 



Stones River (Ord.). Lebanon, Tennessee. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., V, 1882, p. 164, pi. 7, 

 figs. 5~5a. 



= Escharopora ramosa. 



438 1 S. Ptilodictya subrecta Ulrich. Cotypes. 



Black River (Ord.). Minneapolis, Minn. 



Ulrich, Fourteenth Ann. Rept. Geol. and Nat. Hist. Surv. Minn., 

 1SS6. p. 63. 



= Escharopora subrecta. 



8065. Ptilodictya triangulata White. Cotypes. 



Upper Carboniferous. Yampa Plateau, Colorado. 



White, Bull. No. 5, U. S. Geol. Surv. Terr., 1879, p. 214; Twelfth 

 Ann. Rept. U. S. Geol. Surv. Terr., 1880, p. 131, pi. 83, figs. 

 3. 3a- 



= Prismopora triangulata. 



