1058 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Psilonyehia perangulata Ulrich. 



Psilonychia perangulata Ulrich, Geol. Surv. Ohio, 7, 1893, p. 649, pi. 51, figs. 1-3. 

 Ambonyehia perangulata Miller, N. A. Geol. Pal., 2d App., 1897, p. 779 (gen. ref .). 

 Maysville (Corryville): Cincinnati, Ohio. 

 Holotype.Czt. No. 46287, U.S.N.M. 



PSILOPHYTON GRACILLIMUS Lesquereux. See Mastigograptus gracillimus. 

 PTERASPIS ACADICA Matthew. See Cyathaspis acadica. 



PTERINEA Goldfuss. Genotype: P. Isevis Goldfuss. 



Pterinea Goldfuss, Petrefacta Germaniae, 1826, p. 133; ibid., 2d ed., pt. 2, 1863, 

 p. 126. McCoy, Syn. Char. Carb. Fossils, 1844, p. 82. Brown, Illust. Foss. 

 Conch. Great Britain and Ireland, 1849, p. 164. McCoy, British Pal. Rocks 

 Foss., 1854, p. 258. Woodward, Man. Mollusca, pt. 2, 1854, p. 262. Pictet, 

 Traite de Pal., 2d ed., 3, 1855, p. 595. Meek, Amer. Jour. Sci. Arts, 2d ser., 

 37, 1864, p. 216. Zittel, Handb. Pal., 2, 1881, p. 32. Barrande, Syst. Sil. du 

 Centre Boheme, 6, 1881, p. 26. Hall, Pal. New York, 5, pt. 1, Lam. 1, 1884, 

 p. 12; 35th Rep. New York State Mus. Nat. Hist., p. 406b; 1st Rep. State Geol. 

 New York, 1884, p. 13. Follmann, Verhandl. d. naturhist. Verein d. preuss 

 Rhein, 1885, 42, p. 182. Freeh, Zeits. d. d. geol. Gesell., 40, 1888, p. 362. 

 Jackson, Mem. Boston Soc. Nat. Hist., 4, 1888, p. 386. Miller, N. A. Geol. 

 Pal., 1889, p. 505. Jackson, Amer. Nat., 24, 1890, p. 1142. Whidborne, Mon. 

 Dev. Fauna South England, 2, Pal. Soc., 1892, p. 57. Koken, Die Leitfossi- 

 lien, Leipzig, 1896, p. 186, fig. 154. Grabau, Bull. Buffalo Soc. Nat. Hist., 

 1899, p. 244. Philipps, Zeits. d. d. geol. Gesell., 51, 1899, p. 181. Ball, Zittel- 

 Eastman Textb. Pal., 1, 1900, p. 367; 2d ed., 1913, p. 444. Grabau, Bull- 

 Buffalo Soc. Nat. Sci., 7, 1901, p. 207; Bull. New York State Mus., 45, 1901, 

 p. 207. Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 

 984. Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 419. 



Caritodens Foerste, Bull. Denison Univ., 16, 1910, p. 71 (Genotype: Pterinea 

 demissa Conrad). 



PTERINEA AVICULOIDEA Whitfield. See Pterinea lanii. 



Pterinea bellilineata Billings. 



Pterinea bellilineata Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, 



p. 15. 



Richmond (English Head, Charleton) : White Cliff, Anticosti. 

 Plastotype. Cat. No. 46293, U.S.N.M. 



Pterinea bradti Grabau. 



Pterinea bradti Grabau, Michigan Geol. Surv., Geol., 1st ser., 1909, p. 166, pi. 16, 



figs. 9, 10. 

 Pterinea subplana Clarke and Ruedemann, Mem. New York State Mus., 5, 1903 



p. 49, pi. 5, fig. 4. 



Upper Monroan (Lucas): Salt shaft, Detroit, Michigan. 

 Niagaran (Guelph): Shelby and Rochester, New York. 



Pterinea brisa Hall. 



Pterinea brisa Hall, 20th Rep. New York State Cab. Hist., 1868 (extras, 1865), 

 p. 337, pi. 14 (5), fig. 1; p. 387; rev. ed., 1870, p, 384, pi. 14, fig. 1. Winchell 

 and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 108. Hall, 28th Rep. 

 New York State Mus. Nat Hist., doc. ed., 1875, pi. 27, figs. 7-9; ibid., inus. 

 ed., 1879, p. 173, pi. 27, figs. 7-9. Miller and Dyer, Cont. Pal., 1878, p. 10, 

 pi. 3, fig. 7. Hall, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 

 316, pi. 27, figs. 24, 25; pi. 28, figs. 7-9. Chamberlin, Geol. Wisconsin, ], 



