694 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Lecanocrinus waukom a Continued. 



Lecanocrinus waukoma Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 



1, 1900, p. 148, pi. 15, figs. 6-11. 

 Lecanocrinus pusillus Winchell and Marcy (not Hall), Mem. Boston Soc. Nat. 



Hist., 1, 1865, p. 90. 

 Niagaran (Racine): Racine and Waukesha, Wisconsin; Bridgeport, Romeo, 



Lemont, etc., Illinois. 



LEDA LEVATA Emmons. See Ctenodonta levata. 

 LED A PLAN A Emmons. See Lyrodesma planum. 

 LEDA PULCHELLA Emmons. See Ctenodonta pulchella. 

 LEIOCLEMA Rominger. See Lioclema Ulrich. 

 LEIOCLEMA FLORIDA Ulrich. See Nicholsonella florida. 

 LEIOCLEMA? LAMINATUM Ulrich. See Fistulipora laminata. 

 LEIOCLEMA SINGULARS Ulrich. See Trematopora? singularis. 

 LEIODITIA Ulrich. See Elpe Barrande. 



LEIOPTERIA Hall. Genotype: L. dekayi Hall. 



Leiopteria Hall, Pal. New York, 5, pt. 1, Lam. 1883, p. 4; ibid., 1884, p. 13; 35th 

 Rep. New York State Mus. Nat. Hist., 1884, p. 406; Rep. State Geol. New 

 York, 1884, p. 14. Whidborne, Mon. Dev. Fauna South England, 2, Pal. Soc., 

 1892, p. 78. Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 246. Hind, 

 Mon. British Carb. Lam., 2, Pal. Soc., 1901, p. 9. 



Liopteria Miller, N. A. Geol. Pal., 1889, p. 484. Clarke, Archives Mus. Nat. Rio 

 Janeiro, 10, Eng. ed., 1900, p. 48. Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 

 1901, p. 208; Bull. New York State Mus. 45, 1901, p. 208. Grabau and 

 Shimer, N. A. Index Fossils, 1, 1909, p. 424. 



Leiopteria rubra Williams. 



Leiopteria rubra Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 345, pi. 31, fig. 4. 

 Silurian (Pembroke): Giffs Bay, Washington County, Maine. 

 Holotype. Cat. No. 58971, U.S.N.M. 



Leiopteria subplana (Hall). 



Avicula subplana Hall, Pal. New York, 2, 1852, p. 283, pi. 59, figs. 3a-c. Rogers, 



Geol. Pennsylvania, 2, pt. 2, 1858, p. 823, fig. 628. Lesley, Geol. Surv. 



Pennsylvania, Rep. P 4, 1889, p. 70, fig. 

 Pterinea subplana Billings, Cat. Sil. FOBS. Anticosti, Geol. Surv. Canada, 1866, p. 



52 (gen. ref.). 

 Pteronites? subplana Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 243, pi. 22, 



fig. 1. 

 Liopteria(?) subplana Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 208, fig. 



136; Bull. New York State Mus., 45, 1901, p. 208, fig. 136. 

 Leiopteria? subplana Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 424, 



fig. 554. 

 Silurian: Lockport, etc. (Rochester-Guelph) and Schoharie Valley, New York 



(Cobleskill). 

 ?Helderbergian (Keyser): Two miles south Tristates, New York. 



LEIOSTEGIUM Raymond. Genotype: Bathyurus quadratus Billings. 



Leiostegium Raymond, Bull. Victoria Memorial Mus., 1, 1913, p. 68. 



