278 SYNOPSIS OF AMERICAN FOSSIL BRACHTOPODA. |buu..87. 



Orbiculoidea(?) capax (White). Kindeiliook (F;. Carb.). 



Disciiiii <iii>:ix Wliite, Proc. Boston Soc. Nat. Hist., IX, 1862, p. SO.— A. Wincliell, 



Proc. Acad. Nat. Sci. Pbilatlelphia, 1865, p. 112; — Pioc. American I'liil. Soc, 



XII, 1S70, J). 249. 

 Loc. Burlington, Iowa; (Jirard and Rockvillc, Ohio (A. Winchcl]). 

 Ohs. This species should be compared with Lingulodiscina newberryi Hall. 



Orbiculoidea capuliformis (INIcCliesiiey). Upper Caibouiferous. 



Discina capulilornia McCliesney, New Pal. l'\)ssils, 1860, p. 72; — Trans. Chicago 



Acad. Sci., I, 1868, p. 73, pi. 2, fig. 20. 

 Loc. Springfield, Illinois. 

 Ohs. Compare with O. convexa Shumard. 



Orbiculoidea coiiica l^wight=Scbizotreta conica. 



Orbiculoidea conradi (Hall). Lower Helderberg (Dev.). 



Discina conradi Hall, Pal. New York, III, 1859, p. 161, pi. 9, figs. 16, 17; pi. lOA, 



fig. 2. 

 ioc. Near Hudson, New York. 



Orbiculoidea convexa (Sluiiiiard). Upper Carboniferous. 



Discina convexa Shnniard, Trans. St. Loins Acad. Sci., I, 1858, p. 221. — White, 



Thirteenth Rep. State Geol. Indiana, 1881, p. 121, pi. 25, fig. 9.— Herrick, Bull. 



Denison Univ., II, 1887. pi. 3, fig. 19. — Keyes, Geol. Survey Missouri, V, 1895, 



p. 40, pi. 35, fig. 7. 

 Loc. Valley of Verdigris River, Kansas; Kansas City, Missouri; Vermilion County, 



Indiana; Newark, Ohio. 

 Ohs. See Orbiculoidea capuliformis McChesney. 



Orbiculoidea discus ITall. Lower Helderberg (Dev.). 



Discina discus Hall, Pal. New York, III, 1859, p. 159, pi. 9, figs. 13-15. 

 Schizocrania ( ?) discus Hall aud Clarke, Pal. New York, VIII, Pt. I, 1892, p. 132. 

 Orbiculoidea discus Hall and Clarke, Ibidem, 1892, pi. 4E, fig. 13. 

 Loc. Near Hudson and Albany counties. New York. 



Orbiculoidea doria (Hall). Hamilton (Dev.). 



Discina duria Hall, Sixteenth Rep. N. Y. State Cab. Nat. Hist., 1863, p. 26; — Pal. 

 New York, IV, 1867, p. 19, pi. 2, figs. 19-22, 31 ( ?30).— Nettelroth, Kentucky 

 Fossil Shells, Mem. Kentucky Geol. Survey, 1889, p. 32. 



Loc. Madison County, New York ; Thedford, Ontario ; Clark County, Indiana. 



Orbiculoidea elmira (Hall). Cbemung (Dev.). 



Discina elmira Hall, Sixteenth Rep. N. Y. State Cab. Nat. Hist., 1863, i). 29; — 



Pal. New York, IV, 1867, p. 24, pi. 2, figs. 38, 39. 

 Loc. Elmira, New York ; Wellsboro, Pennsylv^ania. 



Orbiculoidea gallaheri (A, Winchell). Marshall (L. Carb.). 



Discina gallaheri A. Winchell, Proc. Acad. Nat. Sci. Philadelphia, 1865, p. 112; — 



Proc. American Philosophical Soc, XII, 1870, p. 249. 

 Loc. Hillsdale, Michigan; Granville, Ohio; Shiifers, Pennsylvania. 



Orbiculoidea herzeri Hall and Clarke. Waverly (L. Carb.). 



Orbiculoidea herzeri Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 



126, 127, 178. 

 Orbiculoidea pulchra Hall and Clarke, Ibidem, 1892, pi. 4E, fig. 19; pi. 4F, figs. 



9-13, 30, (?14-16). 

 Loc. Berea and Baconsburg, Ohio; Meadville, Pennsylvania. 



Orbiculoidea bumilis (Hall). Marcellus and Hamilton (Dev.). 



Discina bumilis Hall, Sixteenth Rep. N. Y. State Cab. Nat. Hist., 1863, p. 25;— 



Pal. New York, IV, 1867, p. 16, pi. 2, fig. 18.— Whitfield, Annals N. Y. Acad. 



Sci., V, 1891, p. .560;— Geol. Ohio, VII, 1895, p. 452, pi. 8, figs. 1, 2. 

 Loc. Bridgewater, Canandaigna Lake, etc., New York; Leroy, Ohio. 



