SCHIICHERT.] 



INDKX AND BIBLIOGRAPHY. 203 



Dalmanella stonensis (Sallbrd). Trenton (Ord.). 



Ortliis stoneiisia Sa fiord, Geol. Tennessee, 18()!t, jt. 28G. 



Daliiianolla stoiieusis Hall and Clarke, I'al. New York, Vlll, Pt. I, 1892, p. 224, 



pi. 5C, iigs. 1, 5. 

 Loc. Near Nashville, Tennessee. 



Dalmanella subaequata (Conrad). Trenton (Ord.). 



Orthis subji'ijuata Conrad, Proc. Acad. Nat. Sci. Pbiladelpliia, I, 1813, p. 333. — 

 Hall, Pal. New York, I, 1817, p. 118, pi. 32, fig. 2;— Geol Wisconsin, 1, 1862, 

 ji. 42, ligs. 1-3, and p. 436;— Second Ann. Pep. New Y'ork State Geol., 1883, 

 pi. 31, ligs. 19-24. 



Orthis niinneapolis N. H. Wincdiell, Eighth Ann. Rej). (Jeol. Nat. Hist. Survey 

 Minnesota, 1880, p. 63. 



Orthis perveta Hall, Secon<l Ann. K'ej). New York State (ieol., 1883, i>l. 34, tigs. 

 17, 18(?16). 



Dalmanella 8uha>qiiata Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 

 194, 207, 224, pi. 5C, figs. 6-11. 



Dalmanella perveta Hall and Clarke, Ibidem, 1892, p. 224, pi. 5C, figs. 13, 14. 



Orthis (D.) subaHiuata Winchell and Schuchert, Minnesota Geol. Survey, III, 

 1893, p. 446, pi. 33, figs. 30-36. 



Loc. Mineral Point, Wisconsin; Minneapolis, St. Paul, Cannon Falls, Fountain, 

 etc., Minnesota; Decorah and McGregor, Iowa; Auburn, Lincoln County, 

 Missouri ; Montreal, Canada. 

 Dalmanella subaequata circularis N. H. Winchell. Trenton (Ord.). 



Orthis circularis N. H. Winchell, Eighth Ann. Rep. Geol. Nat. Hist. Survey Min- 

 nesota, 1880, p. 66. 



Orthia (D.) subtequata var circularis Winchell and Schuchert, Minnesota Geol. 

 Survey, III, 1893, p. 452, pi. 33, figs. 46, 47. 



Loc. Minneapolis, Cannon Falls, etc., Minnesota; Highbridge, Kentucky; Leb- 

 anon, Tennessee. 



Dalmanella subaequata conradi N. H. Winchell. Trenton (Ord.). 



Orthis conradi N. H. Winchell, Eighth Ann. Rep. Geol. Nat. Hist. Survey Min- 

 nesota, 1880, 1). 68. 



Orthis (D.) subiequata var. conradi Winchell and Schuchert, Minnesota Geol. 

 Survey, III, 1893, p. 449, pi. 33, figs. 37-39. 



Loc. Minneapolis, Minnesota; Decorah, Iowa; Jauesville and Beloit, Wiscon- 

 sin ; Montreal, Canada ; fEureka district, Nevada. 

 Dalmanella subaequata gibbosa (Billings). Chazy-Trenton (Ord.). 



Orthis gibbosa Billings, Geol. Survey Canada; Rep. Progress lor 1856, 1857, p. 

 296;— Canadian Nat. Geol., IV, 1859, p. 434. 



Dalmanella gibbosa Hall and Clarke, Pal. New Y^ork, VIII, Pt. I, 1892, p. 224. 



Orthis (D.) subtequata var. gibbosa Winchell and Schuchert, Minnesota Geol. 

 Survey, III, 1893, p. 451, pi. 33, figs. 43-45. 



Loc. Near Ottawa and Bellville, Canada; Minneapolis, Cannon Falls, etc., Min- 

 nesota; Decorah, Iowa; Mineral Point, Wisconsin; in the Chazy, Island of 

 Montreal, and Pallideau Islands, Lake Huron. 



Dalmanella subaequata pervetus (Conrad). Trenton (Ord.). 



Orthis perveta Conrad, Proc. Acad. Nat. Sci. Philadelphia, I, 1843, p. 333. — 

 Hall, Pal. New York, I, 1847, p. 120, pi. 32, fig. 5.— Billings, Canadian Nat. 

 Geol., IV, 1859, p. 434, fig. 10.— Hall, Geol. Wisconsin, I, 1862, p. 42, fig.7.— 

 Billings, Geol. Canada, 1863, p. 130, fig. 57. 



Orthis media N. H. AViuchell, Eighth Ann. Rep. Geol. Nat. Hist. Survey Minne- 

 sota, 1880, p. 64. 



