458 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



46263. Opisthoptera ampla Uhich. Holotype. 



Lorraine { Ord. ). Cincinnati, Ohio. 



Ulrich, (tcol. Surv. Ohio, VII, 1^93, ]>. 647, j)!. 47, lijf. 7. 



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



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



tticky; 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. 



ITlrich, Geol. vSurv. Ohio, VII, 1893, p. 645, text fig. 2a-(l. 



46267. Opisthoptera fissicosta Meek. Plesiotj'pe. 



Richmond (Ord.). Clarksville, Ohio. 



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



4626S. Opisthoptera laticostata Ulrich. Holotype. 



Richmond (Ord.). Near Waynesville, Ohio. 



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



46269. Opisthoptera notabilis Ulrich. Holotype. 



Lorraine (Ord.). Cincinnati, Ohio. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 648, 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. 



43303. Orbignyella lamellosa (Ulrich). Figured .section and fraj^- 



nient of holot3'pe. 

 Richmond (Ord.). Wilmington, Illinois. 



Ulrich and Bassler, Smithsonian Mi.sc. Coll., Quart., XLVII, 1904, 

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



See Monticulipora lamellosa. 



43174. Orbignyella sublamellosa Ulrich and Bas.sler. Holotype 



and figured .sections. 

 Stones River (Ord.). Murfreesboro, Tenne.s.see. 



Ulrich and Bassler, vSmithsonian Misc. Coll., Oiiart., XLVII, 1904, 

 ]). 19, pi. 6, figs. 7-9. 



1 12218. Orthaulax gabbi Dall. Cotypes. 



Oligocene. Near Baileys Ferry, Chipola River, Florida. 



Dall, Trans. Wagner Free Inst. Sci. I'hila., Ill, PI. I, 1890, p. 170, 

 1)1. 12, figs. 5, 5a, 5b. 



1 12075. Orthaulax pugnax ( Heilprin). Plesiotypes. 



Oligocene. Balla.st Point, Tampa, P'lorida. 



Dall, Trans. Wagner Free Inst. vSci. I'hila., Ill, Pi. I, 1890, ]). 170, 

 pi. 8, figs. 5, 8. 



