8CHCCHEKT.] INDEX AND BIBLIOGRAPHY. 371 



Romingerina julia (A. Wiucliell) — Continued. 



Romingeriaa julia Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 271, 



figs. 187, 188, pi. 79, figs. 28-30. 

 Loc. Port Aux Barques, Michigan; Cuyahoga and Licking counties, Ohio. ?In 

 the Chemung at Eushford, New York (Williams). 



SCAPHIOCffiLIA Wbitlield. Genotype S. boliviaensis Whitfield. 



Scaphiocoelia Whitfield, Trans. American Inst. Min. Engi., XIX, 1891, p. 106. — 

 Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 275 ;— Thirteenth 

 Ann. Eep. N. Y. State Geologist, 1895, p. 857. 



Scaphiocoelia boliviaensis Whitfield. Middle Devonian. 



Scaphioca'lia boliviensis Whitfield, Trans. American Inst. Min. Engi., XIX, 1891, 

 p. 106, figs. 1-4.— Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 276, 

 figs. 193-196. 



Loc. Sercre or Quechista, Bolivia. 



SCENIDIUM Hall. Genotype Orthis insignis Hall. 



Skenidium Hall, Thirteenth Eep. N. Y. State Cab. Nat. Hist., 1860, p. 70, figs. 



1-5. — Waagen, Palaeontologica Indica, Ser. XIII, I, 1884, p. 549. 

 Scenidium ffihlert, Bull. Societe d'Etudes Scientifiques d'Angers, 1887, p. 4, 



extract.— Hall and Clarke, Pal. New York, VIII, Pt. 1, 1892, p.241.— Winchell 



and Schuchert, Minnesota Geol. Survey, III, 1893, p. 381. — Hall and Clarke, 



Eleventh Ann. Eep. N. Y. State Geologist, 1894, p. 276. 



Scenidium anthonense Sardeson. Trenton (Ord.). 



Skenidium halli Saft'ord, Geol. Tennessee, 1869, p. 287 (uudefined). 



Skenidium anthonensis Sardeson, Bull. Minnesota Acad. Nat. Sci., Ill, 1892, p. 333, 

 pi. 4, fig. 7. 



Scenidium halli Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 242, pi. 7A, 

 figs. 33-39. 



Scenidium anthonensis Winchell and Schuchert, Minnesota Geol. Survey, III, 

 1893, p. 381, figs. 20-23. 



Loc. Minneapolis, St. Paul, and Cannon Falls, Minnesota; Dixon, Illinois ; Leb- 

 anon, Tennessee. 



Scenidium devonicum Walcott=Dalmanella devonica. 



Scenidium halli Safl:ord=S. anthonense, 



Scenidium insigne Hall. Lower Helderberg (Dev.). 



Orthis insignis Hall, Pal. New York, III, 1859, p. 173. 

 Skenidium (Orthis) insignis Hall, Ibidem, 1859, pi. lOA, figs. 13-15. 

 Skenidium insignis Hall, Thirteenth Eep. N. Y. State Cab. Nat. Hist., 1860, p. 



70, tigs. 1-5;— Second Ann. Eep. N. Y. State Geol., 1883, p. 37, figs. 31-35. 

 Scenidium insigne Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 242, pi. 



7, figs. 31-35. 

 Loc. Helderberg Mountains, New York ; Perry County, Tennessee. 



Scenidium (?) merope (Billings). Trenton and Lorraine (Ord.). 



Orthis merope Billings, Pal. Fossils, I, 1862, p. 139, fig. 116. 

 Scenidium ? merope Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 242, 



pi. 7A, figs. 31, 32. 

 Loc. Ottawa, Canada; Cincinnati, Ohio; Burgin, Kentucky. 



Scenidium pyramidale Hall. ISTiagara (Sil.). 



Orthis pyramidalis Hall, Pal. New York, II, 1852, p. 251, pi. 52, fig. 2. 

 Skenidium pyramidalis Hall, Thirteenth Eep. N. Y. State Cab. Nat. Hist., 



1860, p. 70. 

 Skenidinm pyramidata Hall, Second Ann. Eep. N. Y. State Geol., 1883, pi. 37, 



figs. 29, 30. 



