BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 635 



Homoeospira evax — Continued. 



Homceospira evax Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 112, pi. 



50, figs. 15-20 (?32-35). 

 Homeospira (Retzia) evax Grabau and Shimer, N. A. Index Fossils, 1, 1907, 



p. 344, fig. 441. 

 Niagaran (Waldron): Waldron, etc., Indiana; Newsom, Tennessee. 



Homoeospira flscellostrlata Savage. 



Homceospira fiscellostriata Savage, Bull. Geol. Surv., Illinois, 23, 1913, p. 87, pi. 



4, figs. 23, 24. 

 Upper ^fedinan (Edgewood): Louisiana, Missouri. 



Homoeospira immatura Savage. 



Homoeospira immatura Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 51, pi. 1, 



figs. 16-18. 

 Upper Medinan (Girardeau): Near Thebes, Illinois, 



Homoeospira pisum Foerste. 



Homoeospira pisum Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 90, pi. 1, 



fig. 7. 

 Niagaran (Brownsport) : Bath Springs, Tennessee. 



Homoeospira schiicherti Foerste. 



Homoeospira schucherti Foerste, Jour. Geol., 11, 1903, p. 709; Bull. Sci. Lab. 



Denison Univ., 14, 1909, p. 89, pi. 1, fig. lOA, B. 

 Niagaran (Brownsport): Brownsport Fxu'nace, etc., Tennessee. 



Homoeospira schucherti elongata Foerste. 



Homoeospira schucherti-elongata Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, 



p. 89, pi. 1, fig. 9A, B. 

 Niagaran (Brownsport) : Bath Springs, Tennessee. 



Homoeospira sobrina (Beecher and Clarke). 



Retzia sobrina Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 61, 



pi. 5, figs. 10-16. 

 Homoeospira sobrina Hall and Clarke, Pal. New York, 8 pt. 2, 1893, p. 112, pi. 50, 



figs. 26-28. 

 Niagaran (Waldron): Waldron, Indiana. 



Homoeospira subcircularis Savage. 



Homoeospira subcircularis Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 88, pi. 



4, figs. 26, 27. 

 Upper Medinan (Edgewood-Noix) : Near Louisiana, Missotiri. 



HOMOTRYPA Ulrich. Genotype: H. curvata Ulrich. 



Homctrypa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 240. — Foord, Contr. 

 Micro-Pal. Cambro-Sil., ]883, p. 9.— Miller, N. A. Geol. Pal., 1889, p. 309.— 

 Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 370, 409.— Rominger, Amer. Geol., 

 6, 1890, p. 119.— Ulrich, Geol. Minnesota, 3, 1893, p. 235; Zittel's Textb. 

 Pal., (Engl, ed.), 1896, p. 273.— Simpson, 14th Ann. Rep. State Geol. New 

 York for 1894, 1897, p. 575.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 

 1900, p. 29.— Bassler, Proc. U. S. Nat. Mus., 26, 1903, pp. 565, 566.— Grabau 

 and Shimer, N. A. Index Fossils, 1, p. 128. — Cumings, 32d Ann. Rep. Dep. 

 Geol. Nat. Res. Indiana, 1908, p. 748.— Bassler, Bull. U. S. Nat. Mus., 77, 

 1911, pp. 184, 185; Zittel-Eastman Textb. Paf., 1913, p. 332, fig. 475. 



