626 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Holoppa antiqua (Vanuxem). 



Littorina antiqua Vanuxcin, Xat. Hist. New York, Geol., 3, 1842, p. 112, fig. 4. — 



Hall, ibid., 4, 1843, p. 142, fig. 4; tab. ill. 26, fig. 4.— Mather, ibid., 1, 1843, 



p. 349, fig. 4.— Owen. Amer. Jour. Sci. Arts, 2d ser., 1, 184G, p. 47, fig. 4.— 



Emmons, Man. Geol., ISGO, p. 133, fig. 102.— Lincklaen, 14th Rep. New York 



State Cab. Nat. Hist., 1861, p. 58, pi. 9, fig. 4. 

 Holopea antiqua Hall. Pal. New York, 3, 1859, p. 294, pi. 54, figs. 2a-b, 3a-b.— 



Lesley, Geol. Surv-. Penns>-lvania, Rep. P4, 1889, p. 283, fig.— Weller, Geol. 



Surv." New Jersey, Pal., 3, 1903, p. 264, pi. 24, figs. 15, 16.— Grabau and 



Shimer, N. A. Index Fossils, 1, 1909, p. 677, fig. 944. 

 Manlius or Keyser: Schoharie, Litchfield, etc., New York; New Jersey. 



Holopoa antiqua pervetusta Hall. 



Holopea antiqua var. pervetusta Hall, Pal. New York, 3, 1859, p. 295, pi. 54, figs. 



4, 5.— Grabau, Michigan, Geol. Surv., Geol. Ser., 1, 1909, p. 178, pi. 28, figs. 



4-5. 

 Holopea pervetusta Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 677, fig. 



945. 

 Helderbergian (Manlius or Keyser): New York. 

 Upper Monroan ( Amherstburg) : Detroit River region, Michigan. 



Holopea appressa Ulrich and Scofield. 



Holopea appressa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2. 1897, ]). 1065, 



pi. 79. figs. 7-10. 

 Trenton: Goodhue County, Minnesota (Prosser); Burgin, Kentucky. 

 Cotypes.— Cat. No. 45838, U.S.N.M. 



Holopea arctlca Schuchcrt. 



Holopea arctica Schuchert, Proc. U. S. Nat. Mus.,22. 1900. p. 168, pi. 12, figs. 



14-16. 

 Mohawkian: Head of Frobisher Bay, Baffin Land. 

 Cotypes— C&t. No. 28190, U.S.N.M. 



HoLOPE.\ ARENARiA Whitfield. See Plethospira arenaria. 



Holopea cassima V.'hitfield. See Plethospira ca«sina. 



Holopea chlcagoensls Winchell and Marcy. 



Holopea chicagoensis Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865. 



p. 99, pi. 2, fig. 18. 

 Niagaran (Racine): Chicago, Illinois. 



Holopea conclnnula Ulrich and Scofield. 



Holopea concinnula Ulrich and Scofield, Geol. Minnetsota, 3, pt. 2, 1897, p. 1066, 



pi. 79, fig. 6. 

 Black River (Platteville): Beloit, Wisconsin. 

 Plastofijpe.—Cat. No. 46531, U.S.N.M. 



Holopea oonoidea (Hall). 



Murchi.«onia? conoidea Hall, Pal. Ni'W York, 2, 1852, p. 13, pi. 4, fig. 7. 

 Holopea conoidea ^^'hitfield and Hovey, Bull. Amer. Mus. Nat. Hist., 11, j)t. 2, 



1899, p. 164 (r^cn ref.). 

 Upper Medinan; Lockport. Nt-w York. 



Holopea diliicula (Hull). 



Turbo dilucula Hall, Pal. New York. 1. 1S17. p. 12, pi. 3, fig. 7.— Cleland, Bull. 



Amer. Pal., 4, 1903, p. 14. 

 Holopoa dilucula Miller, N. A. Geol. Pal., 1889, p. 405, fig. 678. 

 Ozarkian (Little Falln): Little Falls, etc., New York. 



