BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1141 



Sceuella radialis Ulrich and Scofield. 



Scenella radialis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 841, pi. 



61, figs. 31, 32. 



Trenton (Prosser) : St. Paul, Minnesota. 

 Plastotype.Cat. No. 45590, U.S.N.M. 



Scenella robusta Raymond. 



Scenella robusta Raymond, Amer, Jour. Sci., 4th ser., 20, 1905, p. 376; Ann. 



Carnegie Mus., 4, 1908, p. 174, pi. 47, figs. 1, 2, 3. 

 Ohazyan: Valcour Island, New York (Crown Point); Lenoir, Tennessee (Lenoir). 



Scenella superb a (Billings). 



Metoptoma superba Billings, Pal. Foss., 1, Geol. Sun'-. Canada, 1865, p. 173, 



fig. 155. 

 Scenella superba Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 838, pi. 



61, fig. 35. Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 608. 

 Conchopeltis Minnesotensia Walcott, 28th Rep. New York State Mus. Nat. 



Hist., 1875, p. 94, doc. ed., 1877. 

 Black River: Pauquettes Rapids, Ottawa River, Canada (Leray); Cannon Falls, 



Minnesota (Platteville). 

 Pleswtype.Czt. No. 45991, U.S.N.M. 



Scenella? venillia (Billings). 



Metoptoma Venillia Billings, Pal. Foss. 1, Geol. Surv. Canada, 1865, p. 88, 



text fig. 80 (adv. sheets, 1862). 

 Scenella? venilla Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 838 



(gen. ref.). 

 Ozarkian? (Levis-erratics) : Point Levis, Quebec. 



SCENELLOPORA Ulrich. Genotype: S. radiata Ulrich. 



Scenellopora Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 150. Miller, 

 N. A. Geol. Pal., 1889, p. 322. Ulrich, Geol. Surv. Illinois, 8, 1890, p. 368. 

 Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 1894, p. 13. Ulrich, Zittel's Textb. 

 Pal. (Engl. ed.), 1896, p. 268. Simpson, 14th Ann. Rep. State Geol. New 

 York for 1894, 1897, p. 593. Nickles and Bassler, Bull. U. S. Geol. Surv., 

 173, 1900, p. 24. Bassler, Bull. U. S. Geol. Surv., 77, 1911, p. 107. Zittel- 

 Eastman Textb. Pal., 1913, p. 328. 



Scenellopora radiata Ulrich. 



Scenellopora radiata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 158, 



pi. 6, figs. 6-6b. Simpson, 14th Ann. Rep. State Geol. New York for 1894, 



1897, figs. 194, 195 (p. 593). 

 Chazyan (Ottosee): Near Knoxville, Tennessee. 

 Holotype.C*t. No. 43289, U.S.N.M. 



SCENIDIUM Hall. Genotype: Orthis insignia Hall. 



Skenidium Hall, 13th Rep. New York State Cab. Nat. Hist., 1860, p. 70, figs. 1-5; 

 Amer. Jour. Sci. Arts, 2d ser., 31, 1861, p. 293. Zittel, Handb. Pal., 1, 1880, 

 p. 677. Davidson, Mon. British Foss. Brach., 5, Dev. Suppl., Pal. Soc., 

 1882, p. 48. Waagen, Pal. Indica, 13th ser., 1, 1884, p. 549. Miller, N. A. 

 Geol. Pal., 1889, p. 371. Koken, Die Leitfossilien, Leipzig, 1896, p. 235. 

 Scenidium (Ehlert, Bull. Soc. d'Etudes Sci. d'Angers, 1887, p. 4, extract. Hall 

 and Clarke, Pal. New York, 8, pt. 1, 1892, p. 241. Winchell and Schuchert, 

 Geol. Minnesota, 3, 1893, p. 381. Hall and Clarke, llth Ann. Rep. New York 

 State Geol., 1894, p. 276. Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, 

 p. 320. Grabau, Bull. New York State Mus., 45, 1901, p. 189; Buffalo Soc. 

 Nat. Sci., 7, 1901, p. 189. Grabau and Shimer, N. A. Index Fossils, 1, 1907, 

 p. 270. Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 393. 



