636 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Homotrypa alta Cumings and Gralloway. 



Homotrj-pa alta Cuminga and Galloway, 37th Ann. Rep. Dep. Geol. and Nat. Res. 



Indiana, 1913, p. 77. pi. 9, figs. 1-lc; pi. 10, figs. 1-lc. 

 Maysville (Mount Hope-Fairmount) : Big Four Railroad, near Guilford, Indiana. 



HoDiotrypa? arhusoula Ulrich. 



Ilomotrj-pa arhusciila Ilrich, Geol. Sur\'. Illinois, 8, 1890, p. 409, pi. 38, figs. 



3-3c.— Keyos, Missouri Geol. Sur\'., 5, 1894, p. 13. 

 Black River: High Bridge, Kentucky (Low\'ille); Calhoun County and Dixon, 



Illinois (Platteville). 

 Cotypes.— Cat. Nos. 43304, 43305, U.S.X.il. 



Homotrypa au.stinl Bassler. 



Homotrypa austini Bassler, Proc. U. S. Nat. Mus., 26, 1903, p. 584, pi. 24, figs. 



5-9.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 838, 



pi. 16, figs. 7-7b; pi. 29, figs. 11, 11a. 

 Richmond (^^'hitewater) : Near Wilmington, Ohio. 

 Cotif pes. —Cut. No. 41762, U.S.N.M. 



Homotrypa bassleri Nickles. 



Homotrj-pa ba.ssleri Nickles, Jour. Cincinnati Soc. Nat. Hist., 20, 1902, p. 103, 



104, fig. 1-5.— Bassler, Proc. U. S. Nat. Mus., 26, 1903, p. 578. 

 Richmond (Amheim): Lebanon, Oregonia, etc., Ohio. 



Homotrypa callosa Ulrich. 



lIomotr>-pa callosa Ulrich, Geol. Minnesota, 3, 1893, p. 243, pi. 20, figs. 15-21.— 



Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, figs. 139, 140 



(p. 576). 

 Trenton: Burgin and Frankfort, Kentucky (Wilmore); Cannon Falls, Minnesota 



(Prosser). 

 Cotypes.-^at. Nos. 43578, 43579, U.S.N.M. 



Homotrypa clnclnnatiensls Bassler. 



Homotrypa cincinnatiensis Bassler, Proc. U. S. Nat. Mus., 26, 1903. p. 576. pi. 21, 



figs. 4-10. 

 Maysville (Fairmount): Cincinnati, Ohio, and vicinity; Mays^-ille and McKin- 



ney, Kentucky. 

 Cotypes.—C&t. No. 41744, U.S.N.M. 



Homotrypa commiinl.s Bassler. 



Ilomotrj-pa communis Bassler, Proc. U. S. Nat. Mus., 26, 1903, p. 581, pi. 23, 



figs. 1-4.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, 



p. 839, pi. 17, figs. 1-ld; pi. 29, fig. 12. 

 Richmond (^Vaynes^-ille): Oregonia, Waynesville, etc., Ohio; Indiana; Kentucky. 

 Colijpcs.—Cixi. No. 41755, U.S.N.M. 



Homotrypa? oonfluens (Foerste). 



Monotrj-pella confluons Foerste, Bull. Sci. Lab. Denison Univ., 2. 1887, p. 172; 



ibid.. 3, 1888, pi. 16, fig. 4. 

 Homotrypa confluens Foerste, Geol. Sur\'. Ohio, 7, 1895, p. 600. 

 Upper Medinan (Brassfield): Dayton, Ohio. 



Homotrypa constell.'vriformis Cumings. See HomotrjT^a ramulosa. 



Homotrypa ciirvata Ulrich. 



IIomotr\-pa curvata Ulrich, Jour Cincinnati Soc. Nat. lli.«t., •'>, 1882. p. 242, pi. 

 10. figs. 7-7d.— SimpsoTi, 14th Ann. Rep. State Geol. New York for 1894, 1897, 

 figs. 137. 1.38 (p. .576^— Bassler. Proc. U. S. Nat. Mus.. 26. 1903. p. 575.— 



