BIBLIOGKAPHIC LIST OF GENERA AND SPECIES. 717 



LEPTOTRTPA Ulrich. Genotype: L. minima Ulrich. 



Leptotrypa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 158.- Miller, N. A. 

 Geol. Pal., 1889, p. 311. Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 377, 455; 

 Geol. Minnesota, 3, 1893, p. 316. Simpson, 14th Ann. Rep. State Geol. New 

 York for 1894, 1897, p. 580. Nickles and Bassler, Bull. U. S. Geol. Surv., 

 173, 1900, p. 31. Ulrich and Bassler, Smiths. Misc. Coll., 47, 1904, pp. 24, 

 28. Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 749. 

 Bassler, Bull . U. S. Nat. Mua., 77, 1911, p. 207. 



LEPTOTRYPA ACERVULOSA Ulrich. See Cyphotrypa acervulosa. 



Leptotrypa calceola (Miller and Dyer). 



Monticulipora calceola Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, 



p. 26, pi. 1, figs. 11, lla. James and James, ibid., 11, 1888, p. 27. J. F. James, 



ibid., 18, 1895, p. 87. 

 Monticulipora (Monotrypa) calceola Nicholson, Genus Monticulipora, 1881, p. 



185, pi. 1, figs. 3-3e. 

 Leptotrypa calceola Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 159. 



Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 853, pi. 20, 



figs. 1-lc. 

 Maysville (Corryville) : Cincinnati, Ohio, and vicinity. 



Leptotrypa clavacoidea (James). 



Chsetetes clavacoideus James, Cat. Low. Sil. Foss., 1871. p. 1. (nom. nud.); Cat. 



Foss. Cincinnati Group, 1875, p. 1. 

 Monticulipora clavacoidea James, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 



236. James and James, ibid., 1888, 11, p. 25. J. F. James, ibid., 18, 1895, 



p. 84. 

 Monticulipora (Monotrypa) clavacoidea Nicholson, Genus Monticulipora, 1881, 



p. 182, fig. 37. 

 Leptotrypa clavacoidea Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 159. 



Bassler, Proc. U. S. Nat. Mus., 30, 1906, p. 42. Cumings, 32d Ann. Rep. 



Dep. Geol. Nat. Res. Indiana, 1908, p. 854, pi. 20, figs. 3, 3c. 

 Maysville (Corryville): Cincinnati, Ohio, and vicinity. 



LEPTOTRYPA CLAVIPORMIS Ulrich. See Stigmatella claviformis. 

 LEPTOTRYPA CLAVIS Ulrich. See Stigmatella clavis. 



Leptotrypa? cortex Ulrich. 



Leptotrypa cortex Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 162. 

 Eden (Economy): Covington, Kentucky. 

 Holotype. Cat. No. 43677, U. S.N.M. 



LEPTOTRYPA DISCOIDEA Ulrich. See Amplexopora? discoidea. 

 LEPTOTRYPA? DYCHEI Nickles and Bassler. See Stigmatella dychei. 

 LEPTOTRYPA FILIOSA Ulrich. See Amplexopora filiasa. 



Leptotrypa hexagonalis Ulrich. 



Leptotrypa hexagon^lis Ulrich, Geol. Surv. Illinois, 8, 1890, p. 455, pi. 36, figs. 



6, 6a; Geol. Minnesota, 3, 1893, p. 317. Bassler, Bull. U. S. Nat. Mus., 77, 



1911, pp. 208-210, figs. 112-114. 

 Black River (Platteville) : Mineral Point, Janesville, and Beloit, Wisconsin; 



Calhoun County, Illinois; Minneapolis, Minnesota. 

 Middle Ordovician (Kuckers): Near Jewe, Esthonia, Russia. 

 Holotype and pleviotypes Cat. Nos. 44057, 57293, U.S.N.M. 



