994 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Platystrophia lynx var. moritura Cumings. See Platystrophia nioritura. 



Platystrophia lynx var. pauciplicata Cumings. See Platystrophia pauciplicata. 



Platystrophia moritura (Cumings). 



Platystrophia lynx Cumings, Amer. Jour. Sci., 4th ser., 15, 1903, p. 24. 

 Platystrophia lyux var. moritura Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. 



Indiana, 1908, p. 920, pi. 35, fig. 5, 5a. 

 Richmond (Elkhorn): Near Richmond, Indiana. 



Platystrophia morrowensis (James). 



Orthis(?) morrowensis James, Cincinnati Quart. Jour. Sci., 1, 1874, p. 21. 

 Platystrophia morrowensis Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, 



p. 60, pi. 6, figs, lla-e, 12a, b. 

 Maysville (Corryville) : Morrow, Cincinnati, etc., Ohio. 



Platystrophia occidentalis Hall. See Hebertella alveata. 



Platystrophia pauciplicata (Cumings). 



Platystrophia lynx var. pauciplicata Cumings, Amer. Jour. Sci., 4th ser., 15, 1903, 



p. 23, fig. 9 bis. 

 Maysville (Fairmount): Cincinnati, Ohio. 



Platystrophia pauciplicata Foerste. See Platystrophia unionensis. 



Platystrophia ponderosa Foerste. 



Platystrophia ponderosa Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 225, 

 pi. 4, fig. 14; Ohio Nat., 12, 1912, p. 453, pi. 22, fig. 11. 



Maysville (McMillan) and Richmond (Arnheim, Waynesville) : Cincinnati, Ohio, 

 and neighboring localities in Ohio, Indiana, and Kentucky; central Ten- 

 nessee; southwest Virginia, etc. 



Platystrophia ponderosa auburnensis Foerste. 



Platystrophia ponderosa auburnensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 



1909, p. 226, pi. 4, fig. 15. 

 Orthis (Platystrophia) biforata var. lynx Meek, Pal. Ohio, 1, 1873, p. 144, pi. 10, 



fig. 1. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 509, figs. 

 Platystrophia biforata var. lynx Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 



202, 223, pi. 5B, figs. 1-4. 

 Platystrophia lynx Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 258, fig. 



308c-d, 309.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 



914, pi. 35, figs. 1, lg, 7, 7c— Hayes and Ulrich, U. S. Geol. Surv., folio 95, 



illustr. sheet, 1903, figs. 21, 22. 

 Maysville (Mount Auburn): Cincinnati, Ohio, and vicinity. 

 Plesiotype.— Cat. No. 35408, U.S.N.M. (Hayes and Ulrich). 



Platystrophia ponderosa stevensoni Grabau. 



Platystrophia ponderosa var. stevensoni Grabau, Bull. Geol. Soc. Amer., 24, 1913, 



p. 453, pi. 12. 

 Cincinnatian (Bays): Big Walker Mountain, Virginia. 

 Observation.— In all probability the same as Orthorhynchula linneyi. 



Platystrophia profundosulcata (Meek). 



Orthis (Platystrophia) laticosta var. profundosulcata (James) Meek, Pal. Ohio, 1, 



1873, p. 117, pi. 10, figs. 2a-d. 

 Platystrophia profundosulcata Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, 



p. 58, pi. 6, figs. 15a-c. 

 Maysville (Mount Hope, Fairmount): Cincinnati, Ohio, and vicinity. 



