BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 221 



Chonophylluiii solitarium Foerste. 



Ohonopliyllmn t^olilarium Foerste, Bull. Geol. Siirv. Kentucky, 7, 1906, p. 317, 



_ pi. i, fig. 2. 

 Clinton (Waco): North of Estill Springs, Kentucky. 



Chonophyllum vaduiu Hall. 



Chonophyllum vadum Hall. 12tli Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1883, 

 p. 272, pi. 15. figs. 1-4; 35th Rep. New York State Mus. Nat. Hist., 1884, 

 p. 410 (ext. 1882, p. 6).— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, 

 p. 130, figs.— Sherzer, Amer. Geol., 6, 1890, p. 61; Bull. Geol. Soc. Amer., 

 3, 1892, p. 273. 



Niagaran (Louisville): Louisville. Kentucky. 



Chonophyllum (Craterophylluiu) vulcanlus Foerste. 



Chonophyllum (Craterophyllum) vulcanius Foerste, Bull. Sci. Lab. Denison 



LTniv., 14, 1909, p. 101, pi. 1, fig. 12. 

 Niagaran (Brownsport): West of Hope Creek, Perry County, Tennessee. 



CHRISTIANIA Hall and Clarke. Genotype: Leptsena subquadrata Hall. 



Christiania Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 298.— Miller, N. A. 



Geol. Pal., 1st App., 1892, p. 687.— Hall, 11th Ann. Rep. New York State 



Geol., 1894. p. 290.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 314; 



2d ed.. 1913, p. 314. 



Christiania subquadrata Hall. 



Leptsena subquadrata Hall, 2d Ann. Rep. New York State Geol., 1883, pi. 46, 



figs. 32, 33. 

 Christiania subquadrata Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 298, 



351, pi. 15, figs. 32, 33; pi. 15A, fig. 36; pi. 20, figs. 18-20; 48th Rep. New 



York State Mus.. 2, 1895, p. 351, pi. 6, figs. 13-18; 14th Rep. State Geol. New 



York for 1894, 1897, p. 351, pi. 6, figs. 13-18. 

 Chazyan (Ottosee): Blount County, Tennessee. 



Christiania trentonensis Ruedemann. 



Christiania trentonensis Ruedemann, Bull. New York State Mus., 49, 1901, p. 21, 

 pi. 2, figs. 2-6.— Bassler, Bull. Geol. Siu-v. Virginia, 2a, 1909, pi. 3, figs. 14-16. 



Mohawkian: Rysedorph Hill, Rensselaer County, New York (Rysedorph); Penn- 

 sylvania, Maryland, and Mrginia (Chambersburg). 



Cladograpsus Emmons. Genotype: C. dissimilaris Emmons. 



Cladograpsus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 107. 



Cladograpsus dissimilaris Emmons. 



Cladograpsus dissimilaris Emmons, Amer. Geologv, 1. pt. 2, 1855, p. 107, pi. 1, 



fig. 15. 

 ' ' Taconic " : Lo(;ality not given . 

 Observation. — Figures and descrii)tion not sufficient for recognition. 



Cladograpsus gracilis Carruthers. See Nemagraptus gracilis. 



Cladograpsus intequalis Emmons. 



Cladograpsus inaequalis Emmons, Amer. Geology, 1 , pt. 2, 1855, p. 107. 

 Dicranograptus? ineequalis Gurley, Jour. Geology, 4, 1896, p. 96 (gen. ref.). 

 "Taconic": Parrotsville, Tennessee. 



Observation. — Probably a species of Dicranograptus, but description is not 

 sufficient for determination. 



Cladograpsus linearis Carruthers. See Pleurograptus linearis. 



