BIBLIOGRAPHIC LIST OF GENEBA AND SPECIES. 855 



Nicholsonella rlnguebergi Bassler. 



Nicholsonella ringuebergi Bassler, Bull. IT. S. Geol. Surv., 292, 190(5, p. 39, pi. 14, 



figs. 12, 13. 

 Clinton (Rochester): Lockport, Now York. 

 Holotype.— Cat. No. 35493, U.S.N.M. 



Nicholsonella vaupeli (Ulrieh). 



Heterotrypa vaupeli Ulrieh, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 85, 



pi. 1, figs. 2-2b. 

 Monticulipora vaupeli James and James, Jour. Cincinnati Soc. Nat. Hist., 11, 1888, 



p. 19.— J. F. James, ibid., 18, 1895, p. 71. 

 Nicholsonella vaupeli Ulrieh, Geol. Surv. Illinois, 8, 1890, p. 421. — Grabau and 



Shimer, N. A. Index Fossils, 1, 1907, p. 136.— Cumings, 32d Ann. Rep. Dep. 



Geol. Nat. Res. Indiana, 1908, p. 863, pi. 21, figs. 3-3c; pi. 31, fig. 3. 

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

 Cotypes.— Cat. No. 43689, U.S.N.M. 



Nicholsonia Waagen and Wentzel. See Escharopora Hall. 



Nicholsonia pavonioa Waagen and Wen tzel. See Escharopora pavonia. 



NIDULITES Salter. Genotype: N. fav us Salter. 



Nidulites Salter, Quart. Jour. Geol. Soc. London, 1851, 7, p. 174. — Morris, Cat. 

 British Foss., 1854, 2d ed., p. 362.— Bigsby, Thesaurus Sil., 1868, p. 4.— Salter, 

 Cat. Camb. and Sil. Foss., Woodwardian Mus., Cambg., 1873, p. 72. — Nichol- 

 son and Etheridge, Mon. Sil. Foss. Girvan Dist., 1, 1878, p. 10. 



Nidulites favus Salter. 



Nidulites favus Salter, Quart. Jour. Geol. Soc. London, 7, 1851, p. 174, pi. 9, figs. 

 16, 17; Cat. Camb. and Sil. Foss., 1873, p. 72, figs.— Nicholson and Etheridge, 

 Mon. Sil. Foss. Girvan Dist., 1, 1880, p. 18, pi. 9, figs. 15-22.— Ami, Ottawa 

 Nat,, 8, No. 6, 1894, p. 2. 



Middle Ordovician: England; Quebec, Canada. 



Nidulites gregarius (Billings). 



Pasceolus gregarius Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, 



p. 72.— Kayser, Zeits. d. d. geol. Gesell., 27, 1875, p. 780.— Whiteaves, Pal. 



Foss., Geol. Surv. Canada, 3, pt, 3, 1897, p. 144. 

 Cyclocrinua gregarius Stolley, Archiv. Anthrop. Geol. Schleswig-Holsteins, 1, 



Heft 2, 1896, p. 215 (gen. ref.). 

 Anticostian (Gun River): Reef Point, Anticosti. 



Nidulites intermedins (Billings). 



Pasceolus intermedins Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 



1866, p. 72.— Kayser, Zeits. d. d. geol. Gesell., 27, 1875, p. 780. 

 Cydocrinus intermedins Stolley, Archiv. Anthrop. Geol. Schleswig-Holsteins, 



1, Heft 2, 1896, p. 215 (gen. ref.). 

 Anticostian (Gun River): Three miles west of Jupiter River, Anticosti. 



Nidulites pyriforrnis Bassler (new species). 



Nidulites sp. Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 7, fig. 11. 

 Middle Ordovician ( Chambersburg ) : Strasburg, etc., Virginia; Maryland; 

 Pennsylvania. 



NIESZKOWSKIA Schmidt. Genotype: Cyrtometopus tumidus Angelin. 



Nieszkowskia Schmidt, Mem. l'Acad. Imp. Sci. St. Petersburg, 7th ser., 30, 1881, 



pp. 124, 126, 130, 179.— Zittel, Handb. Pal., 2, 1885, p. 618.— Clarke, Geol. 



