200 SYNOPSIS OF AMERICAN FOSSIL BUACHIOPODA. [bull. 87. 



Dalmanella amoena N. H. Wincliell. Trenton (Ord.). 



Oitliis auKi'ua Wincholl, Eiglith Ann. Rep. Uool. Nat. Hist. Survey Minnesota, 



1880, 11. 65. 

 Ortliis (D.) ama>na Wincbell and Scliucbeit, Minnesota Geol. Snrve.v, III, 1893, 



p. 453, pi. 33. ligs. 18-50. 

 J.oc. Sj)rinj;' A'alley, Minnesota. 



Dalmanella arcuaria Hall and Clarke. Niagara (Sil.). 



Dalmanella arcuaria Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 224, 



341, pi. 5C, fi-is. 20, 21. 

 l.oc. Perry County, Tennessee. 



Dalmanella bellula (Meek). Lorraine (Ord.). 



Orthis bellula (.James MS.) Meek, Pal. Ohio, I, 1873, p. 103, pi. 8, tig. 5; Miller, 



Cincinnati Quart. Jour. Sci., II, 1875, p. 31. 

 Dalmanella bellula Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 224. 

 Loc. Cincinnati, Ohio. 



Dalmanella concinna Hall. Lower Helderberg (Dev.). 



Orthis concinna Hall, Pal. New York, III, 1859, p. 172, pi. 13, figs. 1-3. 

 Dalmanella concinna Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 



207, 224. 

 Loc. Cumberland, Maryland. 



Dalmanella crispata (Emmons). ' Lorraine (Ord.). 



Orthis crispata Emmons, Geol. New York; Rep. Second Dist., 1842, p. 404, fig. 5. 

 Dalmanella crispata Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 224. 

 Loc. Lorraine, New York. 



Dalmanella devonica (Walcott). Lower Devonian. 



Skenidium devonicum Walcott, Mon. U. S. Geol. Survey, VIII, 1884, jj. 116, pi. 



13, fig. 4. 

 Loc. Eureka district, Nevada. 

 Ohs. The type specimen has no spondylium and therefore is no Scenidium. 



Dalmanella electra (Billings). Calciferous (Ord.). 



Orthis electra Billings, Pal. Fossils, I, 1862, p. 79, fig. 72; p. 217;— Geol. Canada, 



1863, p. 231, fig. 246. 

 Orthis electra? White, Wheeler's Rep. Geol. Geogr. Expl. west 100 Merid., IV, 



1875, p. 55. 

 Dalmanella electra Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 223. 

 Loc. Point Levis and St. John, Canada; Newfoundland; House Range, Utah. 



Dalmanella electra major (Matthew). Calciferous (Ord.). 



Orthis electra var. major Matthew, Trans. Royal Soc. Canaida, X, 1893, p. 100, 



pi. 7, fig. 3. 

 Loc. Near St. John, New Brunswick. 



Dalmanella electra Isevis (Matthew), Calciferous (Ord.). 



Orthis electra var. Levis Matthew, Trans. Royal Soc. Canada, X, 1893, p. 100. 

 Loc. Near St. John, New Brunswick. 



Dalmanella elegantula (Dalman). Clinton and Niagara (Sil.). 



Orthis elegantula Dalman, Kongl. Svenska Vet.-Akad. Handl., fiir 1827, 1828, 

 p. 117, pi. 2, fig. 6.— Hall, Pal. New York, II, 1852, p. 252, pi. 52, fig. 3.— 

 Billings, Canadian Nat. Geol., I, 1856, p. 136, pi. 2, fig. 5. — Roemer, Sil. 

 Fauna west. Tennessee, 1860, p. 62, pi. 5, fig. 7. — Billings, Geol. Canada, 

 1863, p. 312, fig. 320.— Hall, Twenty-eighth Rep. New York State Mus. Nat. 

 Hist., 1879, p. 150, pi. 21, figs. 11-17 ;— Eleventh Rep. State Geol. Indiana, 

 1882, p. 285, pi. 21, figs. 11-17;— Second Ann. Rep. New York State Geol., 1883, 



