636 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Homotrypa alta Cumings and Galloway. 



Homotrypa alta Cumings 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. 



Homotrypa? arbuscula Ulrich. 



Homotrypa arbuscula Ulrich, Geol. Surv. Illinois, 8, 1890, p. 409, pi. 38, figs. 



3-3c. Keyes, Missouri Geol. Surv., 5, 1894, p. 13. 

 Black River: High Bridge, Kentucky (Lowville) ; Calhoun County and Dixon, 



Illinois (Platteville). 

 Cotypes. Cat. Nos. 43304, 43305, U.S.N.M. 



Homotrypa austini Bassler. 



Homotrypa austini Bassler, Proc. IT. St 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, lla. 

 Richmond (Whitewater): Near Wilmington, Ohio. 

 Cotypes. -Cat. No. 41762, U.S.N.M. 



Homotrypa bass)"ri Nickles. 



Homotrypa bassleri 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 (Arnheim): Lebanon. Oregonia, etc., Ohio. 



Homotrypa callosa Ulrich. 



Homotrypa 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. Cat. Nos. 43578, 43579, U.S.N.M. 



Homotrypa cincinnatiensis Bassler. 



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



figs. 4-10. 

 Maysville (Fainnount) : Cincinnati, Ohio, and vicinity; Maysville and McKin- 



ney, Kentucky. 

 Cotypes. Cat. No. 41744, U.S.N.M. 



Homotrypa communis Bassler. 



Homotrypa 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 (Waynesville) : Oregonia, Waynesville, etc., Ohio; Indiana; Kentucky. 

 Cotypes. Cat. No. 41755, U.S.N.M. 



Homotrypa? confluens (Foerste). 



Monotrypella confluens Foerste, Bull. Sci. Lab. Denison Univ., 2, 1887, p. 172; 



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



Homotrypa confluens Foerste, Geol. Surv. Ohio, 7, 1895. p. 600. 

 Upper Medinan (Brassfield): Dayton, Ohio. 



HOMOTRYPA CONSTELLARIFORMIS Cumings. See Homotrypa ramulosa. 



Homotrypa curvata Ulrich. 



Homotrypa curvata Ulrich, Jour Cincinnati Soc. Nat. Hist., 5, 1882, p. 242, 

 10, figs. 7-7d. Simpson, 14th Ann. Rep. State Geol. New York for 1894, li 

 figs. 137, 138 (p. 576). Bassler, Proc. U. S. Nat. Mus., 26, 1903, p. 575. 



