BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1077 



Ptychocrinus priscus Waehsmuth and Springer. Soe Periglyptocrinus priscus. 



Ptychocrinus splendens (Miller). 



Gaurocrinua splendens Miller, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 230, 



pi. 2, fig. 3, 3a. 

 Ptychocrinus splendens Waehsmuth and Springer, Proc. Acad. Nat. Sci. Plrila- 



delphia, 1885, p. 323 (Rev. Pal., pt. 3, sec. 1, p. 101).— Keyes, Missouri Geol. 



Surv., 4, 1894, p. 162, pi. 22, fig. 1 .—Waehsmuth and Springer, Mem. Mus. 



Comp. Zool. Harvard, 20, 1897, p. 198, pi. 18, fig. 3a, b — Savage, Bull. Geol. 



Surv. Illinois, 23, 1913, p. 39, pi. 1, fig. 1. 

 Upper Medinan (Girardeau): Capo Girardeau, Missouri; Thebes. Illinois. 



Ptychonema Hall and Simpson. See Monotrypa Nicholson. 



PTTCHOPARIA Corda. Genotype: Conocephalus striatus Emmrich. 



Ptyehoparia Corda, Abh. d. k. bohmisehen Gesell., d. Wiss., 5 (extract), 1847, 

 p. 25, pi. 2, fig. 11.— Walcott, Bull. U. S. Geol. Surv., 10, 1884, p. 34; ibid., 

 30, 1886, p. 193.— Matthew, Canadian Rec. Sci., 2, 1887, p. 357; Trans. Roy. 

 Soc. Canada, 5, sec. 4, 1888, pp. 134, 142— Miller, N. A. Geol. Pal., 1889, 

 p. 564.— (Ehlert, Bull. Soc. Geol. de France, 3dser., 33, 1895, p. 319, footnote; 

 34, 1896, p. 111.— Beecher, Amer. Geol., 16, 1895, p. 178.— Pompeckj, Jahrb. 

 d. k.-k. geol. Reichsanstalt, 45, 1896, p. 539. — Beecher, Amer. Jour. Sci., 

 4th Ber., 3, 1897, pp. 104, 184, 187, 188, pi. 3, fig. 16.— Freeh, Leth. geog., 

 Leth. Pal., 2, 1897, p. 26, footnote.— Toll, Mem. l'Acad. Imp. Sci. St. Peters- 

 burg, 7th ser., 8, No. 10, 1899, p. 21.— Beecher, Zittel-Eastman Textb. Pal., 1, 

 1900, p. 628— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, No. 8, 1901, 

 p. 22.— Jaekel, Zeits. d. d. geol. Gesell., 53, 1901, p. 133; ibid., 54, Brief. Mitth., 

 1902, p. 53.— Beecher, Amer. Jour. Sci., 4th ser., 13, 1902, p. 166.— Gronwall, 

 Danmarks Geol. Unders., 2, Raekke, No. 13, 1902, p. 148. — Lorenz, Zeitsch. 

 deutsch. geol. Gesell., 58, pt. 2, 1906, p. 57. — Grabau and Shimer, N. A. 

 Index Fossils, 2, 1910, p. 275.— Raymond, Zittel-Eastman Textb. Pal., 1913, 

 p. 715. — Walcott, Cambrian Faunas China, Carnegie Inst., 3, 1913, p. 130. 



Ptyehoparia alii u is (Walcott). 



Ptyehoparia (Euloma?) affinis Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 54, 



pi. 10, fig. 12; 32, pt. 2, 1899, p. 457, pi. 65, fig. 8. 

 Cambrian and ?Lowest Ordovician: Eureka District, Nevada. 



Ptyehoparia? annectans Walcott. 



Ptyehoparia? annectans Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 91, pi. 12, 



fig. 18. 

 Lower Pogonip: Ridge east of Hamburg Ridge, Eureka District, Nevada. 

 Cotype.— Cat. No. 24571, U.S.N. M. 



Ptyehoparia blairi Weller. 



Ptychaparia blairi Weller, Geol. Surv. New Jersey Pal., 3, 1903, p. 117, pi. 1, 



fig. 10. 

 Upper Cambrian or Ozarkian (Kittatinny): Blairstown, New Jersey. 



Ptychoparia calcifera Walcott. See Lonchocephalus caleiferus. 



Ptychoparia conica? Keyes. See Bathyurus conicus. 



Ptyehoparia? devinei (Billings). 



Dikelocephalua Devinei Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 195, 



figs. 180-181. 

 Conocephalites Devinei Matthew, Trans. Roy. Soc. Canada, 10, sec. 4, 1893, p. 



1 1 , footnote. 



