BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1141 



Scenella radialis Ulrich and Scofield. 



Scenella radialis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1S97, p. 841, pi. 



61, figs. 31, 32. 

 Trenton (Prosser): St. Paul, Minnesota. 

 PJastotype.— Cat. No. 45590, U.S.N.M. 



Scenella robusta Raymond. 



Scenella robusta Raymond, Amer, Jour. Sci., 4th ser., 20, 1905, p. 37G; Ann. 



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

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



Scenella superba (Billings). 



Metoptoma superba Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 173i 



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 Minnesotensis Walcott, 28th Rep. New York State Mus. Nat. 



Hist., 1875, p. 91, doc. ed., 1877. 

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



Minnesota (Platteville). 

 Plesiotype.— Cat. No. 45991, U.S.N.M. 



Scenella? venillia (Billings). 



Metoptoma Venillia Billings, Pal. Foss. 1, Geol. Surv. Canada, 1S65, 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, 18S2, p. 150. — Miller, 

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

 Pocta, Syst. Sil. Centre Boh eme, 8, pt. 1, 1894, p. 13.— Ulrich, Zittel'sTextb. 

 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.— Cat. No. 43289, U.S.N.M. 



SCENIDIUM Hall. Genotype: Orthia insignis 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 OZhlert, Bull. Soc. d'Etudes Sci. d'Angers, 1887, p. 4, extract. — Hall 

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

 Geol. Minnesota, 3, 1893, p. 381.— Hall and Clarke, 11th 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., 191.3, p. 393. 



