TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 93 



4351 1. Batostoma? decipiens Ulrich. Holotype and figured 



sections. 

 Black River (Ord. ). Minneapolis, Minnesota. 



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

 1S93, p. 298, pi. 27, figs. 16-19. 



43505. Batostoma fertile Ulrich. Cotypes and figured sections. 



Stones River (Ord.). Minneapolis, Minnesota. 



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

 1893, p. 290, pi. 25, figs. I-II. 



43506. Batostoma fertile circulare Ulrich. Holotype and 



figured sections. 

 Stones River (Ord.). Minneapolis, Minnesota. 



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

 1893, p. 291, pi. 25, figs. 5, 6, 8, 9. 



43509. Batostoma humile Ulrich. Cotypes and figured sections. 



Trenton (Ord.). Cannon Falls, Minnesota. 



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

 1893, p. 294, pi. 25, figs. 29-36. 



44061. Batostoma imperfectum Ulrich. Figured sections of cotypes. 

 Richmond (Ord.). Wilmington, Illinois. 



Ulrich, Geol. Surv. 111., VIII, 1S90, p. 460, pi. 35, figs. 3a~3d. 



= Hemiphragma imperfectum. 



43508. Batostoma magnoporum Ulrich. Cotypes and figured 



sections. 

 Black River (Ord.). Minneapolis, Minnesota. 



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

 1S93, p. 291, pi. 25, figs. 12-15. 



43250. Batostoma manitobense Ulrich. Figured section of cotypes. 

 Richmond (Ord.). Stony Mountain, Manitoba. 



Ulrich, Geol. Surv. Canada, Contr. Micro-Pal. Cambro-Sil., Pt. II, 

 1889, p. 33, pi. 9, figs. 3-3C. 



43507. Batostoma minnesotense Ulrich. Cotypes and figured 



sections. 

 Black River (Ord.). St. Paul and Minneapolis, Minne- 

 sota. 



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

 1893, p. 297, pi. 26, figs. 38-40; pi. 27, figs. 9-15. 



43512. Batostoma montuosum Ulrich. Holotype. 



Black River (Ord.;. Near Cannon Falls, Minnesota. 



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

 1893, p. 293, pi. 26, figs. 26-28. 



43820. Batostoma variabile Ulrich. Cotypes and figured sections. 

 44062. Richmond (Ord.). Osgood, Indiana; Clarksville, Ohio. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 460, pi. 35, figs. 4b-4e, 5; 

 pi. 36, fig. 1. 



