234 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Clidophorus ventricosus Ruedemann. 



Clidophorus ventricosus Ruedemann, Bull. New York State Mus., 162, 1912, pi. 5, 



figs. 11-14. 

 Trenton (Snake Hill): Snake Hill, Saratoga County, New York. 



CLIFTONIA Foerste. See Triplecia eubgenus Cliftonia. 



CLIMACOGRAPSUS ANTENNARIUS Nicholson. See Cryptograptus antennarius. 



CLIMACOGRAPTUS Hall. Genotype: Graptolithus bicornis Hall. 



Climacograptus Hall, Geol. Sun-. Canada, dec. 2, 1865, p. 111. Carrathers, Geol. 

 Mag., 5, 1868, p. 73, 131. Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, 

 p. 217. Hopkinson, Geol. Mag., 7, 1870, p. 354. Zittel, Handb. Pal., 1, 1879, 

 p. 300. Tullberg, Sveriges Geol. Unders., Ser. C, No. 55, 1883, p. 13, 14. 

 Spencer, Trans. Acad. Sci. St. Louis, 4, 1884, p. 561. Miller, N. A. Geol. 

 Pal., 1889, p. 178. James, Jour. Cincinnati Soc. Nat. Hist., 14, pt. 2, 1892, 

 p. 158. Koken, Die Leitfossilien, Leipzig, 1896, p. 329. Wiman, Bull. 

 Geol. Inst., Univ. Upsala, 2, pt. 2, 1896, p. 264; Nat. Sci., 9, 1896, p. 

 188. Roemer and Freeh, Leth. geog., 1 Theil, Leth. Pal., 1, 3 Lief., 

 1897, p. 608. Gurich, Neues Jahrb. f. Min., Geol. Pal., Beilage-Band, 13, 

 1900, p. 333. Zittel-Eastman Textb. Pal., 1, 1900, p. 119. Ruedemann, 

 Mem. New York State Mus., 7, 1904, p. 729; 11, pt. 2, 1908, pp. 400-406. 

 Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 31. Ruedemann, Zittel- 

 Eastman Textb. Pal., 2d ed., 1913, p. 130. 



Climacograpsus Nicholson, Ann. Mag. Nat. Hist., 4th ser., 6, 1870, p. 370; Mon. 

 British Grapt., 1872, p. 117. 



CLIMACOGRAPTUS ANTENNARIUS Hall. See Cryptograptus antennarius. 



Climacograptus antiquus Lapworth. 



Climacograptus antiquus Lapworth, Geol. Mag., 10, 1873, p. 134 (nom. nud.); 



Trans. Roy. Soc. Canada, 5, sec. 4, 1886, p. 178. Gurley, Jour. Geol., 6, 



1896, pp. 74, 93, 207. Elles and Wood, Mon. British Grapt., pt. 5, 1906, pp. 



199, 200, fig. 130; pi. 27, fig. 4a-e. Ruedemann, Mem. New York State Mus., 



11, pt. 2, 1908, pp. 239-441, pi. 28, figs. 28, 29. 

 Climacograptus cf. antiquus Lapworth, Rep. Geol. Surv. Canada, 3, pt. 1, 1889, 



p. 95B. 

 Climacograptus cselatus Lapworth, Cat. West. Scotland Foss., 1876, p. 6, pi. 1, fig. 56; 



Ann. Rep. and Proc. Belfast Nat. Field Club, 1, pt. 4, 1877, p. 130, pi. 6, 



fig. 39; Science, 9, 1887, p. 320. 

 Middle Ordovician (Glenkiln): Great Britain. 



Chazyan (Normanskill) : Canada, Nevada, Arkansas, Oklahoma, etc. 

 Plesiotypes.- Cat. Nos. 54285, 54339, 54248, U.S.N.M 



Climacograptus bicornis (Hall). 



Graptolithus bicornis Hall, Pal. New York, 1, 1847, p. 268, pi. 73, figs. 2a-s.- 



Ford, Amer. Jour. Sci., 3d ser., 28, 1884, p. 206. 

 DLplograptus bicornis Geinitz, Die Graptolithen, 1852, p. 24. McCoy, Ann. Mag. 



Nat. Hist., 9, 1862, p. 139. 

 Diplograpsus bicornis Nicholson, Ann. Mag. Nat. Hist., 1, 1868, p. 56, pi. 3, 



figs. 8-10. 

 Diplograptus (Climacograptus) bicornis McCoy, Prodr. Pal. Victoria, dec. 1, 1874, 



p. 12, pi. 1, fig. 8. 

 Climacograptus (Diplograptus) bicornis Etheridge, Mem. Geol. Surv. Great 



Britain. 2d ed., 3, 1881, p. 530, pi. 11A, fig. Ib, c. 



