458 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



46263. Opisthoptera ampla Ulrich. Holot3'pe. 



Lorraine (Orel.). Cincinnati, Ohio. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 647, pi. 47, fig. 7. 



46264. Opisthoptera casei (Meek and Worthen). Plesiotypes. 



46265. Richmond (Ord.). Near Lebanon, Marion County, Ken- 



tucky; Richmond, Indiana. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 643, pi. 49, figs. 1-5. 



46266. Opisthoptera extenuata Ulrich. Holotype. 



Richmond (Ord.). Warren County, Ohio. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 645, text fig. 2a-d. 



46267. Opisthoptera fissicosta Meek. Plesiotype. 



Richmond (Ord.). Clarksville, Ohio. 



Ulrich", Geol. Surv. Ohio, VII, 1893, p. 643, pi. 49, fig. 15. 



46268. Opisthoptera laticostata Ulrich. Holotype. 



Richmond (Ord.). Near Waynesville, Ohio. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 646, pi. 47, fig. 6. 



46269. Opisthoptera notabilis Ulrich. Hok^pe. 



Lorraine (Ord.). Cincinnati, Ohio. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 64S, pi. 49, fig. 16. 



46270. Opisthoptera obliqua Ulrich. Holotype. 



Richmond (Ord.). Richmond, Indiana. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 646, pi. 49, figs. 6-8. 



433°3- Orbignyella lamellosa (Ulrich). Figured section and frag- 

 ment of holotype. 

 Richmond (Ord.). Wilmington, Illinois. 



Ulrich and Bassler, Smithsonian Misc. Coll., Quart., XLVII, 1904, 

 p. 20, pi. 6, fig. 10. 



See Mouticulipora lamellosa. 



43174. Orbignyella sublamellosa Ulrich and Bassler. Holotype 



and figured sections. 

 Stones River (Ord.). Murfreesboro, Tennessee. 



Ulrich and Bassler, Smithsonian Misc. Coll., Quart., XLVII, 1904, 

 p. 19, pi. 6, figs. 7-9. 



1 1 22 1 8. Orthaulax gabbi Dall. Cotypes. 



Oligoceue. Near Baileys Feny, Chipola River, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 170, 

 pi. 12, figs. 5, 5a, 5b. 



1 12075 Orthaulax pugnax (Heilprin). Plesiotypes. 



Oligocene. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 170, 

 pi. S, figs. 58. 



