BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1047 



Protichnites octonotatus Owen. 



Protichnites octonotatua Owen, Quart. Jour. Geol. Soc. London, 8, 1852, p. 

 214-217, pi. 9. Logan, Geol. Canada, 1863, p. 104, figs. 16, 17. Lesley, 

 Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 776, figs. 



Upper Cambrian or Ozarkian (Potsdam): Near Beauharnois, Quebec. 



Protichnites septemnotatus Owen. 



Protichnites septem-notatus Owen, Quart. Jour. Geol. Soc. London, 8, 1852, pp. 

 214-217, pi. 9. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 776, 

 figs. Walcott, Smiths. Misc. Coll., 57, No. 7, 1912, p. 278, pis. 46, 47. 



Upper Cambrian or Ozarkian (Potsdam): Near Beauharnois, Quebec. 



Plesiotype.Czt. Nos. 58592, 58593, U.S.N.M. 



PROTOCRISINA Ulrich. Genotype: P. exigua Ulrich. 



Protocrisina Ulrich, Geol. Surv. Illinois, 8, 1890, p. 369. (Ulrich, in press), Miller, 

 N. A. Geol. Pal., 1889, p. 317. Ulrich, ZittePs Textb. Pal. (Engl. ed.), 1896, 

 p. 262. Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 1894, p. 16. Nickles and 

 Bassler, Bull. U. S. Geol. Surv., 1900, p. 21. Bassler, Bull. U. S. Nat. Mus., 

 77, 1911, pp. 71, 72; Zittel-Eastman Textb. Pal., 1913, p. 320. 



Protocrisina exigua Ulrich. 



Protocrisina exigua Ulrich, Geol. Surv. Illinois, 8, 1890, p. 405, pi. 29, figs. 4-4c; 



pi. 43, figs. 11-lle; Zittel's Textb. Pal. (Engl. ed.), 1896, fig. 417 (p. 262). 



Cumings, Amer. Jour. Sci., 4th ser., 20, 1905, pi. 7, fig. 53. Bassler, Bull. 



U. S. Nat. Mus., 77, 1911, p. 73, fig. 17; Zittel-Eastman Textb. Pal., 1913, 



p. 320, fig. 443. 

 Crisinella oeilensis Wiman, Bull. Geol. Univ. Upsala, 5, pt. 2, 1902, p. 181, pi. 6, 



figs. 12-16. 

 Richmond: Wilmington, Illinois; central Tennessee (Fernvale) ; Anticosti (Char- 



leton); Island of Gotland (Borkholm drift). 

 Figured sections of cotype Cat. Nos. 43287, 43288, U.S.N.M. 



Protocrisina perantiqua (Hall). 



Gorgonia perantiqua Hall, Pal. New York, 1, 1847, p. 76, pi. 26, figs. 5a, b. 

 Enallopora perantiqua D'Orbigny, Prodr. de Pal., 1, 1850, p. 22. Emmons, 



Amer. Geol., 1, pt. 2, p. 206, pi. 7, figs. 5a, b. Miller, N. A. Geol. Pal., 



1889, p. 301. 



Protocrisina perantiqua Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 71 (gen. ref.). 

 Trenton: Middleville, Trenton Falls, etc., New York; Montreal, Quebec. 



PROTOCYCLOCERAS Hyatt. Genotype: Orthoceras lamarcki Hall. 



Protocycloceras Hyatt, Zittel-Eastman Textb. Pal., 1, 1900, p. 518. Ruedemann, 



Bull. New York State Mus., 90, 1906, p. 438. Grabau and Shinier, N. A. 



Index Fossils, 2, 1910, p. 55. Hyatt, Zittel-Eastman Textb. Pal., 2d ed., 



1913, p. 599. 



Protocycloceras(?) furtivum (Billings). 



Orthoceras furtivum Billings, Geql. Can. Pal. Foss., 1, 1865, p. 348, fig. 337. 

 Protocycloceras(?) cf. furtivum Ruedemann, Bull. New York State Mus., 90, 



1906, p. 445, pi. 16, fig. 3. 



Canadian (Beekmantown): Township of Kitley, Canada; Beekmantown, New 

 York. 



Protocycloceras lamarcki (Billings). 



Orthoceras Lamarcki Billings, Canadian Nat. Geol., 4, 1859, p. 362; Geol. Canada, 

 Geol. Surv. Canada, 1863, p. 121, fig. 38a-c; Pal. Foss., 1, Geol. Surv. 

 Canada, 1865, pp. 255, 347, fig. 336. Lesley, Geol. Surv. Pennsylvania, 

 Rep. P 4, 1889, p. 551, figs. 



