692 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. 



Lasiooraptus muceonatus Lapworth. See Lasiograptus bimucronatUB. 



LASIOTHRIX Dawson and Hinde. Genotype: L. curvicoetata Dawson and Hinde. 

 Lasiothrix Dawson and Hinde, Trans. Roy. Soc. Canada, 7, sec. 4, 1890, p. 50.— 

 Dawson, ibid., 2d ser., 2, sec. 4, 1896, p. 114.— Miller, N. A. Geol. Pal., let 

 App., 1892, p. 667. 



Lasiothrix ourvlcostata Dawson and Uinde. 



Lasiotlirix curvicostata Dawson and Hinde, Trans. Roy. Soc. Canada, 7, sec. 4, 



1890, p. 51, fig. 21.— Dawson, ibid., 2d ser., 2, sec. 4, 1896, p. 144, fig. 24. 

 Canadian? (Levis?): Metis, Quebec. 



Lasiothrix llabellata Dawson and Hinde. 



Lasiothrix flabellata Dawson and Hinde, Trans. Roy. Soc. Canada, 7, sec. 4, 



1890, p. 51, fig. 22.— Dawson, ibid., 2d ser., 2, sec. 4, 1896, p. 115, fig. 25. 

 Canadian? (Levis?): Metis, Quebec. 



LECANOCRINUS HaU. Genotype: L. macropetalus Hall. 



Lecanocrinus Hall, Pal. New York, 2, 1852, p. 199.— Pictet, Traite de Pal., 2d od., 

 4, 1857, p. 319.— Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, 

 p. 278.— Schultze, Denk. d. Kais. Akad. "Wiss., Math.-Xatunv., CI. 26, Abth. 2, 

 1867, p. 152, fig. 7.— "Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1879, p. 262 (Rev. Pal., pt. 1, p. 39); ibid., 1890, p. 388.— Beyrich, 

 Ann. Mag. Nat. Hist., 4th ser., 7, 1871, p. 404.— Angelin, Icon. Crinoid., 1878, 

 p. 11.— Zittel, Handb. Pal., 1, 1879, p. 355.— Miller, N. A. Geol. Pal, 1889, 

 p. 257.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 

 147, fig. 54.— Bather. Treatise on Zool , pt. 3, Echinoderma, London, 1900, 

 p. 188.— Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 163.— Grabau. 

 Bull. New York State Mus., 45, 1901, p. 160; Bull. Buffalo Soc. Nat. Sci., 7, 

 1901, p. 160.— Springer, Amer. Geol., 30, 1902, p. 94; Jour. Geol., 14, 1906, 

 p. 517.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 564.— Springer, 

 Zittell-Eastman Textb. Pal., 2d ed., 1913, p. 203. 



Cyrtidocrinus Angelin Icon. Crin. Suec, 1878, p. 20. 



Lecanocrinus caliculus Hall. See Pycnosaccus calyculus. 



Lecanocrinus elegans Billings. See Protaxocrinus cleans. 



Lecanocrinus excavatus Ringueberg. See Asaphocrinua ornatus. 



Lecanocrinus greenei Miller and Gurley. See Aniaocrinus greenei. 



Lecanocrinus homlspherlcus Rowley. 



Lecanocrinus hcinisphericus Rowley, Amer. Geol., 34, 1904, p. 271, pi. 14, tig. 



17-19. 

 Niagaran (Bainbridge): Near St. Mary's, Ste. Genevieve County, Missouri. 

 Observation. — Probably the same aa L. piaiformiB (Roemer). 



Lecanocrinus incisus Ringuebei^g. See Asaphocrinua incisus. 



Lecanocrinus lmvib Billings. See Protaxocrinus Isevis. 



Lecanocrinus macropetalus Hall. 



Lecanocrinus macropetalus Hall, Pal. New York, 2, 1852, p. 199, pi. 45, figs, 

 la-h.— Emmons, Man. Geology, 1860, p. 63, fig. 42.— Miller, N. A. Geol. Pal.. 

 1889, p. 257, fig. 348.— Grabau, Bull. New York State Mus.. 45, 1901, p. 160, 

 fig. 55; Bull. Buffalo Soc. Nat. Sci., 7, p. IGO, fig. 55.— Grabau and Shimer, 

 N. A. Index Foeaila, 2, 1910. p. 564, fig. 1901, 1902. 



