690 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Lampterocrinus tennesseensls Roemar. 



Lampterocrinus tennesseensis Roemer, Sil. Fauna West. Tennessee, Breslau, 



1860, p. 37, pi. 4, figs, la, Ib; Leth. geog., 1, Leth. Pal., Atlas, 1876, pi. 11, 



fig. 13. Miller, N. A. Geol. Pal., 1889, p. 257, fig. 347. Wachsmuth and 



Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 208, pi. 13, figs. 



10a-d. Bather, Treatise on Zoology, pt. 3, Echinoderma, 1900, p. 199, fig. 



124. Foerste, Jour. Geol., 11, 1903, p. 712 (loc. occ.). Wood, Bull. U. S. 



Nat. Mus., 64, 1909, p. 103, pi. 7, figs. 8-10. Grabau and Shimer, N. A. Index 



Fossils, 2, 1910, p. 548, fig. 1877. 

 Balanocrinites sculptus Troost, Amer. Jour. Sci. Arts, 2d ser., 8, 1850, p. 419; 



Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 60 (nom. nud.). 

 Niagaran (Brownsport) : Decatur and Wayne Counties, Tennessee. 

 Pleziotypes. Cat. No. 39920, U.S.N.M. (Troost's type of B. sculptus). 



LAPWORTHURA CYLINDRICA Parks. See Tgeniaster cylindricus. 



LASIOCRINUS Kirk. Genotype: Homocrinus scoparius Hall. 



Homocrinus Hall (part), Pal. New York, 2, 1852, p. 185; ibid., 3, 1859, p. 102. 



Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, Rev. Pal., pt. 



1, 1879; ibid., 1886, p. 77; pt. 3, p. 220. Bather, Crin. Gotland, 1893, p. 101. 

 Lasiocrinus Kirk, Proc. U. S. Nat. Mus., 46, 1914, p. 482. 



Lasiocrinus scoparius (Hall). 



Homocrinus scoparius Hall, Pal. New York, 3, 1859, p. 102, pi. 1, figs. 1-9. 



Bather, Kongl. Svenska Vet. Akad. Handl., 25, 1893, p. 105. Talbot, Amer. 



Jour. Sci., 20, 1905, p. 19, pi. 3, fig. 3. 

 Dendrocrinus (Homocrinus) ecoparius Wachsmuth and Springer, Proc. Acad. Nat. 



Sci. Philadelphia, 1881, p. 302 (Rev. Pal., 1, p. 79). 

 Lasiocrinus scoparius Kirk, Proc. U. S. Nat. Mus., 46, 1914, p. 482. 

 Helderbergian (Manlius transition beds or Coeymans) : Schoharie and Wheelocks 



Hill, Litchfield, Herkimer County, New York. 



LASIOGRAPTUS Lapworth. Genotype: L. costatus Lap worth. 



Lasiograptus Lapworth, Geol. Mag., 10, 1873, p. 559. Zittel, Handb. Pal., 1, 1879, 



p. 302. Koken, Die Leitfossilien, Leipzig, 1896, p. 329. Roemer and Freeh, 



Leth. geog., 1, Theil, Leth. Pal., 1, 3, Lief, 1897, p. 671. Ruedemann, Mem. 



New York State MUB., 11, pt. 2, 1908, pp. 472-479. 



Lasiograptus bimucronatus (Nicholson). 



Graptolithus ep. Hall, Pal. New York, 3, 1859, p. 507, figs. 1-3. 



Diplograptus bimucronatus Nicholson, Ann. Mag. Nat. Hist., 4, 1869, p. 236, pi. 



11, fig. 12. Clarke, Geol. Mag., 4th ser., 9, 1902, p. 499. 

 Hallograptus bimucronatus Lapworth, Cat. West. Scott. FOBS., 1876, p. 7, pi. 2, 



fig. 58. 

 Hallograptus (Lasiograptus) bimucronatus Roemer and Freeh, Leth. Pal., 1, 1897, 



p. 672, fig. 224. 

 Diplograptus (Hallograptus) bimucronatus Lapworth, Belfast Field Club, Ann. 



Rep. and Proc., 2d ser., app., pt. 4, 1877, p. 134, pi. 6, fig. 23. 

 Lasiograptus bimucronatus Tullberg, Sver. Geol. Und. Ser. C, No. 50, 1382, p. 20. 

 Lasiograptus mucronatus Lapworth, Proc. and Trans. Roy. Soc. Canada, 4, 1887, 



p. 178. Gurley, Jour. Geol., 4, 1896, p. 299. Roemer and Freeh, Leth. Pal., 



1, 1897, p. 672, fig. 224. Ruedemann, Mem. New York State Mus., 11, pt. 2, 



1908, pp. 481-483, pi. 29, figs. 12-18; pi. 30, figs. 6-8; pi. 31, figs. 4-5; text 



figs. 458-463. 



