BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 235 



Cliinacograptus bicornls Continued. 



Climacograptus bicornis Hall, Canadian Org. Rem. Geol. Surv. Canada, dec. 2, 

 1865, p. 112, pi. A, figs, la-c. Nicholson, Ann. Mag. Nat. Hist., 6, 1870, 

 p. 380, fig. 5; Mon. British Grapt., 1872, p. 61, figs. 29a-d. Lap worth, Cat. 

 West. Scotland Foss., 1876, p. 6, pi. 2, fig. 51; Rep>lnd Proc. Belfast Nat. Field 

 Club, 1, pt. 4, 1877, p. 139, pi. 6, fig. 38a. Whitfield, U. S. Geol. Surv. West 

 100th Merid., Wheeler's Rep. Pal., 4, 1877, p. 19. Lap worth, Quart. Jour. 

 Geol. Soc. London, 34, 1878, p. 250. Linnarsson, Sver. Geol. Und., Ser. G, 

 No. 31, 1879, p. 18. Lapworth, Ann. Mag. Nat. Hist., 6, 1880, p. 22. Tull- 

 berg, Sver. Geol. Und., Ser. C, No. 41, 1880; No. 50, 1882, p. 20. Walcott, 

 Trans. Albany Inst., 10, 1883, p. 3, (adv. sheets, 1879, p. 34). Whitfield, 

 Amer. Jour. Sci., 3d ser., 26, 1883, p. 380. Lapworth, Trans. Roy. Soc. 

 Canada, 4, 1887, 178f. Miller, N. A. Geol. Pal., 1889, p. 178, fig. 153. Ami, 

 Rep. Canadian Geol. Surv., 2d ser., 3, pt. 2, 1889, p. 117K. Gurley, Ann. 

 Rep. Geol. Surv. Arkansas, 3, 1892, p. 410. James, Jour. Cincinnati Soc. 

 Nat. Hist., 14, 1892, pt. 2, p. 159. Ami, Canadian Rec. Sci., 5, 1893, pp. 

 237, 239. Gurley, Jour. Geol., 4, 1896, p. 297. T. S. Hall, Proc. Roy. Soc. 

 Victoria, 9, 1897, p. 184. Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 



3, 1897, p. 148 (loc. occ.). Roemer and Freeh, Leth. Geog., 1 Theil, Letli. 

 Pal., 1, 1897; pp. 610, 611, fig. 174. Freeh, Leth. Geog., 1 Theil, Leth. Pal., 

 1, 3 Lief, 1897, p. 553, fig. 131. T. S. Hall, Geol. Mag., n. s., dec. 4, 6, 

 1899, p. 445. Ruedemann, Bull. New York State Mus., 42, 1901, p. 496ff. 

 Clark, Geol. Mag., 4th ser., 9, 1902, p. 498. T. S. Hall, Geol. Surv. Victoria, 

 Rec., 1, pt. 1, 1902, p. 34. Dale, Bull. U. S. Geol. Surv., 242, 1904, p. 33. 

 T. S. Hall, Proc. Roy. Soc. Victoria, 18, pt. 1, 1905, p. 21. Ami, Geol. Surv. 

 Canada, Sum. Rep., 1904, p. 12. T. S. Hall, Geol. Surv. Victoria, Rec., 1, 

 pt. 4, 1906, p. 275, pi. 34, fig. 8. Grabau and Shimer, N. A. Index Fossils, 1, 

 1906, p. 32, figs. 50, 51a. Elles and W T ood, Mon. British Grapt., pt. 5, 1906, 

 pp. 193, 194, fig. 126, pi. 26, fig. 8a-f. Ruedemann, Mem. New York State 

 Mus., 11, pt. 2, 1908, p. 433-437, pi. 28, figs. 24-26, figs. 404, 405. 



Climacograptus bicornis var. peltifer Lapworth, Cat. West. Scotland Foss., 1876, 

 p. 6, pi. 2, fig. 53; Rep. and Proc. Belfast Field Club, 2d ser., 1, pt. 4, 1877, 

 p. 139, pi. 6, fig. 38b. Gurley, Jour. Geol., 4, 1896, p. 93. 



Climacograptus bicornis var. tridentatus Lapworth, Cat. West Scotland Foss., 

 1876, p. 6, pi. 2, fig. 52; Rep. and Proc. Belfast Field Club, 2d ser., 1, pt. 



4, 1877, p. 139, pi. 6, fig. 38c. Gurley, Jour. Geol., 4, 1896, p. 93. 

 Climacograptus bicornis var. tuberculatus Lapworth, Cat. West Scotland Foss., 



1876, p. 6. 



Climacograptus bicornis var. longispina T. S. Hall, Geol. Surv. New South Wales, 

 Rec., 7, pt. 2, 1902, p. 5, pi. 12, figs. 8, 9. 



Chazyan (Normanskill) : New York slate belt, north into Quebec and New Bruns- 

 wick and south to Virginia and Alabama; Arkansas (Stringtown). 



Middle Ordovician: Great Britain, Scandinavia, Australia. 



[AcoGRAPTUS BICORNIS Hall (part). See Climacograptus parvus. 

 CLIMACOGRAPTUS BICORNIS var. CAUDATUS Ami. See Climacograptus caudatus. 

 CLIMACOGRAPTUS BICORNIS var. LONGISPINA Hall. See Climacograptus bicornis. 

 CLIMACOGRAPTUS BICORNIS var. PELTIFER Lapworth. See Climacograptus bicornis. 



CLIMACOGRAPTUS BICORNIS var. TRIDENTATUS Lapworth. See Climacograptus 

 bicornis. 



CLIMACOGRAPTUS BICORNIS TUBERCULATUS Nicholson. See Climacograptus bicornis. 



