sciiucHKRT ] INDEX AND BIBLIOGRAPHY, 213 



Dielasma obovatum Hall and ('larke. ?[Jpper Carboniferous. 



Dielasiuji ol.ovat.i Hall and flaike, Pal. New York. VIII, Pt. IF, 1895, pi. 81, 



fijis. 38-40. 

 hoc. Keiitnoky. 



Dielasma occidentale (Miller). Chouteau (L. Carb.). 



Tenhratiila ocii(lentali.s Miller, KijrblecMitli .Vim. Kep. Geol. Survey Indiana, 



18S»1, p. 313, pi. 51, iiys. 1()-13. 

 I.oc. Sodalia, Mi.ssonri. 



Dielasina(?) rowleyi (Wortben). Burlington (L. Carb.). 



Teiebratula rowleyi Wortben, Bull. Illinois State Mus. Nat. lli.st.,2, 1884, p. 23; — 



(leol. Survey Illiuois, VIII, 18ii0, ]>. 102, ])I. 11, lig-. O. — Keyes, (Jeol. Survey 



Missouri, V,' 1895, p. 105, pi. 40, fig. 15. 

 Dielasma rowleyi Hall and Clarke, Pal. New York, VIII, I't. II, 1893, ]>. 296, 



pi. 81, fi<,'s. 27, 28. 

 Luc. Pike County, ^Missouri. 



Dielasma sacculus (Maitin). Upper Carboniferous. 



Concbyliolithus anomites sacculus Martin, Petret. IJerbcsiaua, 1809, tab. 46, 



figs. 1, 2. 

 Terebratula sacculus Dawson, Acadian Geol., 1855, p. 219, fig. 27. — Davidson, 



Quart. Jour. Geol. Soc. Loudon, XIX, 1863, p. 169, pi. 9, rigs. 1-3.— Dawson, 



Acadian Geol., 3d ed., 1878, p. 289, fig. 87. 

 Loc. Europe; Windsor, Nova Scotia. 



Dielasma shumardianum (Miller). Kaskaskia (L. Carb.). 



Terebratula arcuata Swallow (nou Roenier, 1840), Trans. St. Louis Acad. Sci., II, 



1863, p. 83.— Meek, Sixth Ann. Rep. U. S. Geol. Survey Terr., 1872, i>. 470. 

 Terebratula sbumardana Miller, American Pal. Foss., 2d ed., 1883, p. 299. 

 Loc. St. Genevieve County, Missouri; Cbester, Illinois; near Virginia City, 



Montana. 

 Ohs. Regarded by Meek and White as proViably synonymous witli D. bovideus 



(Morton). 



Dielasma turgidum (Hall). Warsaw and St. Louis (L. Carb.). 



Terebratula turgida Hall, Trans. Albany Institute, IV, 1858, p. 6. — Whitfield, 



Bull. American Mus. Nat. Hist., I, 1882, p. 54, pi. 6, figs. 53-58.— Hall, Twelfth 



Rep. State Geol. Indiana, 1883, p. 336, pi. 29, figs. 53-58.— Whitfield, Annals 



New York Acad. Sci.. V, 1891, p. 586, pi. 13, figs. 21, 22;— Geol. Obio. VII, 1895, 



p. 473, pi. 9, figs. 21, 22. 

 Dielasma turgida Beecher and Schuchert, Proc. Biol. Soc. AVashingtou, VIII, 



1893, p. 73, pi. 10, figs. 1-6.— Hall and Clarke, Pal. New York, VIII, Pt. II, 



1893, p. 296, pi. 81, figs. 1-8. 

 Loc. Bloomingtou and Spergen Hill, Indiana; Crittenden County, Kentucky; 



^laxville and Newtonville, Ohio; Alton and Warsaw, Illiuois; Pella, Iowa; 



Boonville, Missouri. 



DIGNOMIA Hall. Genotype Lingula alveata Hall. 



Diguomia Hall, Notes on some New or Imperfectly Known Forms among the 

 Brach., 1872, p. 2, pi. 13, fig. 3;— Twenty-third Rep. New York State Cab. 

 Nat. Hist., 1873, p. 245, pi. 13, fig. 3.— Hall and Clarke, Pal. New York, VIII, 

 Pt. I, 1892, pp. 14, 163;— Eleventh Ann. Rep. New York St.nte (Jeologist, 1894, 

 p. 230. 



Dignomia alveata Hall. Hamilton (Dev.). 



Lingula alveata Hall, Sixteeuth Rep. New York State Cab. Nat. Hist., 1863, p. 

 23;— Pal. New York, IV, 1867. p. 12, pi. 2, figs. 14, 15. 



