238 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Climacograptus scalaris annulatus Continued. 

 Boulder of Clinton (?) sandstone: Aroostook, Maine. 



Observation. For bibliography of C. scalaris which has not been found in 

 America, see Ruedemann, op. cit., 1908, p. 421. 



Climacograptus scharenbergi Lapworth. 



Climacograptus scharenbergi Lapworth, Cat. West. Scot. Foss., 1876, p. 6, pi. s, 

 fig. 35; Rep. and Proc. Belfast Field Club, 2d ser., 1, pt. 4, 1877, p. 138, 

 pi. 6, fig. 36. Linnarsson, Sver. Geol. Unders. Ser. C. No. 31, 1879, p. 18. 

 Tullberg, ibid., No. 50, 1882, p. 214. Lapworth, Ann. Mag. Nat. Hist., 5th 

 ser., 5, 1880, p. 276; Proc. and Trans. Roy. Soc. Canada, 4, 1887, p. 180; Geol. 

 Mag., 3d ser., 6, 1889, pi. 2. Tornquist, Sartr. Kongl. Fys. Sallsk. Lund. 

 Handl., IV, 1893, p. 8, pi. 1, fig. 28. Gurley, Jour. Geol., 4, 1896, p. 298. 

 Roemer and Freeh, Leth. geog., Leth. Pal., 1, 1897, p. 609, fig. 176. Elles 

 Quart. Journ. Geol. Soc. Londoi, 54, 1898, p. 519. Ruedemann, Bull. 

 New York State Mus., 42, 1901, p. 541ff, pi. 1, fig. 1; 49, p. 11, pi. 3, fig. 1. 

 Clark, Geol. Mag., 4th ser., 9, 1902, p. 498. Elles and Wood, Mon. British 

 Grapt., pt. 5, 1906, pp. 206, 207, fig. 139; pi. 27, fig. 14. Ruedemann, Mem. 

 New York State Mus., 11, pt. 2, 1908, pp. 428-431, pi. 28, fig. 31, figs. 394-399. 



Middle Ordovician slates: Great Britain and Scandinavia. 



Chazyan (Normar skill): New York; Canada; Tennessee; etc. 



Climacograptus spiniferus Ruedemann. 



Climacograptus typicalis mut. spinifer Ruedemaun, Mem. New York State Mus., 



11, pfc. 2, 1908, pp. 411, 412, pi. 28, figs. 8, 9, fig. 236. 

 Climacograptus spiniferus Ruedemann, Bull. New York State Mus., 162, 1912, 



p. 84. 

 Trenton: Ballston, Saratoga, Sandy Hill., etc., New York (Canajoharie, Snake 



Hill, and Schenectady); Macasty Bay, Anticosti (Macasty). 

 Martinsburg (base): Virginia, etc. 



Climacograptus typicalis Hall. 



Climacograptus typicalis Hall, Geol. Surv. Canada, Can. Org. Rem., dec. 2, 1865, 

 p. 27, pi. A, figs. 1-9. Hall, 20th Ann. Rep., New York State Cab. Nat. 

 Hist., rev. ed., 1868, p. 224, pi. 2, figs. 1-9. Zittel, Handb. Pal., 1, Munich, 

 1879, p. 292, fig. 197; p. 300, fig. 208 a-c. Walcott, Trais. Albany Inst, 5, 

 1883, p. 10 (Advance sheets, 1879, p. 34). Ulrich, Amer. Geology, 1, 1888, 

 p. 183. -Walcott, Bull. Geol. Soc. Amer., 1, 1890, p. 339. James, Jour. 

 Cincinnati Soc. Nat. Hist., 14, 1892, p. 159. Winchell and Schuchert, Geol. 

 Minnesota, 3, pt. 1, 1895, p. 82, text, fig. 4. Gurley, Jour. Geol., 4, p. 

 298. Roemer a_id Freeh, Leth. geog., Leth. Pal., 1, 1897, p. 612. Ruede- 

 mann, Bull. New York State Mus., 42, 1901, p. 523. Ni.ckles, Jour. Cincin- 

 nati Soc. Nat. Hist., 20, 1902, p. 68. Ruedemann, Mem. New York State 

 Mus., 11, pt. 2, 1908, pp. 407-411, pi. 28, figs. 6, 7, figs. 354, 356-358, 362. 



Climacograptus typicus Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 

 32, fig. 51 b. 



Trentoa-Edea: New York, Canada, Ohio, Minnesota, etc. 



Plesiolypes.Cat. No. 54276, U.S.N.M. 



Climacograptus typicalis magnificus Twenhofel. 



Climacograptus typicalis magnificus Twenhofel, Bull. Victoria Mem. Mus., 3, 



1914, p. 23. 

 Trenton (Macasty): Macasty Bay, Anticosti. 



CLIMACOGRAPTUS TYPICALIS SPINIFER Ruedemann. See Climacograptus spiniferus. 



