330 BULLETIN 2, UNITED STATES NATIONAL MUSEUM. 



OTCLOGRAPTUS Spencer. Genotype: C. rotadentatus Spencer. 



Cyclograptus Spencer, Proc. Aiuer. Assoc. Adv. Sci., 31, 1883, p. 365; Bull. 



Mus. Univ. State Missouri, 1, 1884, p. 42; Trans. Acad. Sci. St. Louis, 4, 



1884, p. 563, 592. Miller, N. A. Geol. Pal., 1889, p. 182 Ruedemann, Mem. 



New York State Mus., 11, pt, 2, 1908, p. 182. 



Cyclograptus rotadentatus Spencer. 



( 'yctograptus rotadentatus Spencer, Trans. Acad. Sci. St. Louis, 4, 1884, p. 592, 



pi. 6, figs. 6, 6a; Bull. Mus. Univ. State Missouri, 1, 1884, No. 1, p. 42, pi. 



6, figs. 6, 6a. Miller, N. A. Geol. Pal., 1889, p. 182, fig. 162. -Gurley, Jour. 



Geol., 4, 1896, pp. 94, 309. Ruedemann, Mem. New York State Mus., 11, 



1908, p. 184, pi. 2, fig. 5, figs. 91, 92. Bassler, Bull. U. S. Nat. Mus., 65, 1909, 



pp. 45, 46, figs. 57, 58. 

 Niagaran dolomite: Hamilton, Ontario. 

 Clinton (Rochester): Clinton, New York. 



CYCLOLITES ROTULOIDES Hall. See Palseocyclus rotuloides. 



CYCLOLITUITES Remele. Genotype: C. applanatus Remelc. 



Cyclolituites Reineles Zeits. d. d. geol. Gesell., 38, 1886, p. 467. Hyatt, Proc. 

 Amer. Phil. Soc., 32, 1894, p. 505. 



Cyclolituites americanus Hyatt. 



Cyclolituites americanus Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 505. 

 Canadian (Quebec): Gargamelle Cove, Newfoundland. 



CYCLONEMA Hall. Genotype: Pleurotomaria bilix Conrad. 



Cyclonema Hall, Pal. New York, 2, 1853, p. 89. Salter, Geol. Surv. Canada, 

 Can. Org. Rem., dec. 1, 1859, pp. 23, 25. Miller, Cincinnati Quart. Jour. 

 Sci., 1, 1874, p. 319. Zittel, Handb. Pal., 2, 1882, p. 187. Nettelroth, Ken- 

 tucky FOBS. Shells, Geol. Surv. Kentucky, 1889, p. 187. Miller, N. A. Geol. 

 Pal., 1889, p. 400. Koken, Neues Jahrb. f. Min., Geol. Pal., Beilage-Band, 

 6, 1889, p. 427. Koken, Die Leitfossilien, Leipzig, 1896, p. 120, fig. 101. 

 Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1056. Koken, Bull. 

 Acad. Imp. Sci. St. Petersburg, 7, 1897, p. 191; Neues Jahrb. f. Min., Geol. 

 Pal., 1, 1898, p. 24. Pilsbry, Zittel-Eastman Textb. Pal., 1, 1900, p. 448. 

 Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 949. Grabau 

 and Shimer, N. A. Index Fossils, 3, 1909, p. 668. Ball, Zittel-Eastman 

 Textb. Pal., 2d ed., 1913, p. 530. 



CYCLONEMA (part) of Hall, Salter and others. See Trochonema Salter. 



Cyclonema bellulum Billings. 



Cyclonema bellula Billings, Cat. Sil. Foss. Aiiticosti, Geol. Surv. Canada, 1866, 



p. 55. 

 Anticostian (Gun River): The Jumpers, Aiiticosti. 



CYCLONEMA BILEX Foerste. See Cyclonema daytonense. 

 CYCLONEMA BILEX (part) Hall. See Cyclonema mediale. 

 CYCLONEMA BILEX var. CONICA Miller. See Cyclonema bilix. 

 CYCLONEMA BILEX var. LATA Meek. See Cyclonema bilix. 



Cyclonema bilix (Conrad). 



Pleurotomaria bilix Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 271, 

 pi. 16, fig. 10. Hall (part), Pal. New York, 1, 1847, p. 305, pi. 83, figs. 4a~e. 

 Roger*, Geol. Pennsylvania, 2, pt. 2, 1858, p. 820. fig. 620. 



