BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 261 



COLUMNARIA STELLATA Rominger. See Columnaria alveolata. 



Columnaria (PalaBOphyllum) stokesi (Edwards and Haime). 



Lithostrotion Stokesi Edwards and Haime, Mon. Polyp. Foss. Terr. Pal., 1851, p., 



440, pi. 20, fig. 2. 

 Diphyphyllum Stokesi Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897 



p. 152, pi. 17, figs. 5a, b. 

 Sarcinula? obsoleta Hall, Geol. Lake Sup. Land Dist., Foster and Whitney's Rep., 



1851, p. 213, pi. 29, figs. 2, a, b. 

 Columnaria erratica Billings, Canadian Nat. Geol., 3, 1858, p. 421; Geol. Surv. 



Canada, Rep. Progr. for 1857, 1858, p. 167. 

 Palseophyllum rugosum Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, 



p. 168; Canadian Nat. Geol., 3, 1858, p. 422. 

 Columnaria rugosa Lambe, Ottawa Naturalist, 12, 1899, p. 217; Contr. Can. Pal., 



Geol. Surv. Canada, 4, pt. 2, 1901, p. 101, pi. 6, figs. 3, 3a, b. 

 Richmond: Lake Winnipeg, Lake St. John, etc., Canada; Green Bay, Wisconsin. 



COLUMNARIA SULCATA Eaton. See Columnaria alveolata. 



Columnaria? Sutherland! Salter. 



Columnaria Sutherlandi Salter, Sutherland's Jour. Voyage in Baffin's Bay, etc., 



2, 1852, p. 231, pi. 6, fig. 8. 

 Silurian (?): Seal Island, Wellington Channel, Arctic America. 



Columnaria (Palaeophyllum) thoini (Hall). 



Columnaria thomi Hall, Rep. U. S. Mexican Bound. Surv., Emory, 1857, pi. 20, 



figs. la-d. 



Cyathophylloides thomii Walcott, Pal. Univ., eer. 1, fas. 2, 1903, pi. 29. 

 Richmond: El Paso, Texas. 

 Holotype.Cat. No. 9851, U.S.N.M. 



Observation. Probably the same as Columnaria (Palseophyllum) stokesi 

 (Edwards and Haime). 



Columnaria troosti Castelnau. Not recognized. 



Columnaria Troosti Castelnau, Essai Syst. Sil. 1'Amerique Septent., 1843, p. 44, 



pi. 19, fig- 2. 

 Silurian(?): Kentucky. 



Columnaria vacua Foerste. 



Columnaria(?) halli James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 3, 1892, p. 99. 

 Columnaria vacua Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 313, pi. 11, 



fig. 2. 

 Richmond: Ohio, Indiana, Kentucky, etc. 



Observation. This name has been proposed for the Richmond form of Colum- 

 naria closely related to C. halli which is restricted to Mohawkian strata. Some of 

 the references under C. halli doubtless refer in part to C. vacua. 



COLUMNOPORA Nicholson. See Calapoecia Billings. 

 COLUMNOPORA RAYi Davis. See Calapoecia cribiformis. 

 COMAROCYSTIS Haeckel. See Comarocystites Billings. 



COMAROCTSTITES Billings. Genotype: C. punctatus Billings. 



Comarocystites Billings, Canadian Jour., 2, 1854, pp. 268, 269; Geol. Surv. 



Canada, Rep. Progr. for 1853-56, 1857, p. 288; Geol. Surv. Canada, dec. 3, 



1858, p. 61. Chapman, Expos. Min. Geol. Canada, 1864, p. 109. Meek and 



Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1865, p. 143; Geol. Surv. 



