1128 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Rhynchotreta thebesensis multistriata Savage. 



Rhynchotreta thebesensis var. multistriata Savage, Bull. Geol. Surv., 23, 1913 



p. 81, pi. 4, figs. 21, 22. 

 Upper Medinan (Edgewood): Near Thebes, Illinois. 



RHYNCHOTRETA QUADRIPLICATA Miller. See Ilhynchotrema inequivalve. 



Rhynchotreta simplex Foerste. 



Rhynchotreta simplex Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 94, 



pi. 3, fig. 46A, B. 

 Upper Medinan (Brassfield): Clifton, Tennessee. 



RHYNCHOTROPIS Meek. See Whitella Ulrich. 

 RHYNOBOLUS Hall. See Rhinobolus Hall 

 RHYSOPHYCUS Roemer. See Rusophycus Hall. 



RHYTIMYA Ulrich. Genotype: R. producta Ulrich. 



Orthodesma Whitfield (not Hall and Whitfield), Jour. Cincinnati Soc. Nat. Hist., 



1,1878, p. 139. Miller, idem., 4, 1881, p. 76. 

 Sedgwickia Whitfield (not McCoy), ibid., 1, 1878, p. 140. 

 Rhytimya Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 618; Geol. Surv. Ohio, 7, 



1893, p. 688. Miller and Faber, Jour. Cincinnati Soc. Nat. Hist., 17, p. 140. 



Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 984. Grabau 



and Shimer, N. A. Index Fossils, 1, 1909, p. 526. 



Rhytimya byrnesi (Miller). 



Orthodesma byrnesi Miller, Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 76, pi. 1, 



figs. 7a-b. 



Rhytimya byrnesi Ulrich, Geol. Surv. Ohio, 7, 1893, p. 689, pi. 56, figs. 4, 5. 

 Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1019, pi. 48, 

 figs. 3-3a. 



Richmond: Richmond, Indiana (Whitewater); Weisburg, Indiana, and Blan- 

 chester, Ohio (Waynesville). 



. Cat. No. 46298, U.S.N.M. 



Rhytimya compressa Ulrich. 



Rhytimya compressa Ulrich, Geol. Surv. Ohio, 7, 1893, p. 692, pi. 56, fig. 13. 

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

 Holotype,Va,t. No. 46299, U.S.N.M. 



Rhytimya convexa Ulrich. 



Rhytimya convexa Ulrich, Geol. Surv. Ohio, 7, 1893, p. 691, pi. 56, figs. 2, 3. 

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

 HolotypeC&t. No. 46300, U.S.N.M. 



Rhytimya cmma (Billings). 



Cyrtodonta Emma Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 150, fig. 



130 (adv. sheets, 1862). Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. 



Canada, 1866, p. 13 (loc. ref.). 



Cypricardites Emma Miller, N. A. Geol. Pal., 1889, p. 476 (gen. ref.). 

 Rhytimya emma Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 619 (gen. ref.). 

 Richmond (English Head and Charleton): English Head, etc., Anticosti. 



Rhytimya faberi (Miller). 



Orthodesma faberi Miller, N. A. Geol. Pal., 1889, p. 497, fig. 873. 

 Richmond: Versailles, Indiana. 



