320 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



43573. Homotrypa minnesotensis montifera Ulrich. Holotype 



and figured sections. 

 Black River (Ord.). St. Paul, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. I, 



1893, p. 235, pi. 19, fig. 3a. 



34328. Homotrypa nicklesi Bassler. Cotypes and figured sections. 

 Richmond (Ord.). Raywick, Kentucky. 



Bassler, Proc. U. S. Nat. Mus., XXVI, 1903, p. 586, pi. 22, 

 figs. 4-7. 



41 77 1. Homotrypa nitida Bassler. Cotypes and figured sections. 



Richmond (Ord.). Near Osgood, Indiana. 



Bassler, Proc. U. S. Nat. Mus., XXVI, 1903, p. 586, pi. 20, 

 fig. 15; pi. 25, figs. 5-8. 



41753. Homotrypa nodulosa Bassler. Cot5 r pes and figured sections. 

 Richmond (Ord.). Hanover, Ohio. 



Bassler, Proc. U. S. Nat. Mus., XXVI, 1903, p. 5S2, pi. 1 23, 

 figs. 5-1 1 ; pi. 25, fig. 15. 



43671. Homotrypa obliqua Ulrich. Holotype and figured sections. 

 Lorraine (Ord.). Cincinnati, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., V, 1882, p. 243, pi. 10, 

 figs. 6, 6b. 



41736. Homotrypa obliqua Ulrich. Plesiotypes and figured sections. 



41737. Lorraine (Ord.) Cincinnati, Ohio. 



Bassler, Proc. U. S. Nat. Mus., XXVI, 1903, p. 575, pi. 23, 

 figs. 12-14. 



41747. Homotrypa pulchra Bassler. Cotypes and figured sections. 

 Lorraine (Ord.). Cincinnati, Ohio. 



Bassler, Proc. U. S. Nat. Mus., XXVI, 1903, p. 577, pi. 20, 

 figs. 11-14. 



41760. Homotrypa ramulosa Bassler. Cotypes and figured sections. 

 Richmond (Ord.). Versailles, Indiana. 



Bassler, Proc. U. S. Nat. Mus., XXVI, 1903, p. 585, pi. 25, 

 figs. 1-4. 



41784. Homotrypa richmondensis Bassler. Cot} r pes and figured 



sections. 

 Richmond (Ord.). Richmond, Indiana. 



Bassler, Proc. U. S. Nat. Mus., XXVI, 1903, p. 582, pi. 24, 

 figs. 1-4. 



43576. Homotrypa separata Ulrich. Holotype and figured sections. 

 Stones River (Ord.). Minneapolis, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. I, 

 1893, p. 237, pi. 19, figs. 17-20. 



