TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 519 



3625. Platyschisma oculus Morris. Plesiotypes. 



Carboniferous. Harpers Hill on the Hunter, New South 

 Wales, Australia. 



Dana, Wilkes U. S. Expl. Exped., X, 1849, p. 707, Atla.s, pi. 10, 

 fig. I. 



Plat3^stonu^ niinutum Girtw See Platyo.stoma niinutuni. 



41167. Platystrophia acutilirata f Conrad). Plesiotypes. 



Richmond (Ord. ). Waynesville, Ohio. 



Cunimings, Amer. Joiirii. Sci. (4), XV, 1903, p. 4S, fis^. 25. 



26887. Platystrophia biforata (Schlotheim). Ple.siotype. 



Ordovician. Pulkowa, Russia. 



Cummings, Amer. Journ. Sci. (4), XV, 1903, p. 15, figs. 6a-6f. 



34139, Platystrophia biforata (Schlotheim). Plesiotype. 



CHuton (Sil.). Ga.ssport, New York. 



Cinnniings, Amer. Jouni. Sci. (4), XV, 1903, p. 42, figs. 23a-23f. 



34138. Platystrophia dentata (Pander). Ple.siotype. 



Ordovician. Pulkowa, Ru.ssia. 



Cmiiniings, Amer. Journ. .Sci. (4), XV, 1903, p. 10, fig. 4 B. 



35408. Platystrophia lynx (Von Puch). ■ Plesiotype. 



Lorraine (^Ord.). Cincinnati, Ohio. 



Hayes and Ulrich, U. S. Geo!. Surv., Folio 95, 1903, illustration 

 sheet, figs. 21, 22. 



158057. Platytrochus claibornensis de Gregorio. Plesiotypes. 



158065. Claibornian (Iwcene). Claiborne, Alabama. 



158066. Vaughan, Mon. XXXIX, U. S. Geol. Surv., 1900, p. 77, pi. 5, 



figs. 10-12. 



158040. Platytrochus goldfussi (Lea). Plesiotypes. 



Claibornian (Eocene). Claiborne, Alabama. 



Vaughan, Mon. XXXIX, U. S. Geol. Surv., 1900, p. 76, pi. 5, 

 figs- 2-5, 7- 



158012 Platytrochus stokesi (Lea). Plesiotypes. 



to Claibornian (Eocene). Claiborne, Alabama. 



1 5801 5. Vaughan, Mon. XXXIX, U. S. Geol. vSurv., 1900, p. 74, pi. 4, 



figs. 20-24; pi. 5, fig. 8. 



25596. Plecia pealei Scudder. Cotypes. 



Older Tertiary. Twin Creek, Wyoming. 



Scudder, Thirteenth .^nn. Rept. U. S. Geol. Surv. Terrs., 1890, 

 p. 585, pi. 4, figs. 10, 12. 



46278. Plethocardia suberecta Ulrich. Holotype. 



Trenton (Ord. ). Near Cannon Falls, Minnesota. 



Ulrich, Nineteenth Aim. Rept. Geol. and Nat. Hist. Surv. Minn., 

 1892, p. 245, fig. 29; Geol. and Nat. Hi.st. Surv. Minn., Final 

 Rept., Ill, rt. II, 1894, p. 577, pi. 40, figs. 25-27. 



