64 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



43638. Arthronema curtum Ulrich. Holotype. 



Lorraine (Ord. ). Covington, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., V, 1882, p. 161, pi: 6, 



fig- 9- 

 — Arthrostylus curtus. 



43637. Arthronema tenuis (James). Plesiotypes. 



Utica (Ord.). Covington, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., V, 1882, p. 160, pi. 6, 

 figs. 8-T3c. 



= Arthrostylus tenuis. 



43504. Arthropora bifurcata Ulrich. Cotypes. 



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



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

 1S93, p. 17S, pi. 14, figs. 22-25. 



43502. Arthropora reversa Ulrich. Holotype. 



Trenton (Ord.) St. Paul, Minnesota. 



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

 1893, p. 178, pi. 14, fig. 26. 



43630. Arthropora shafferi (Meek). Plesiotypes. 



Lorraine (Ord.)'. Cincinnati, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., V, 18S2, p. 167, pi. 7, 

 figs. 10, 10a. 



43503. Arthropora simplex Ulrich. Cotypes and figured sections. 



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

 sota. 



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

 1893, p. 177, pi. 14; figs. 12-21. 



43636. Arthrostylus conjunctus Ulrich. Holotype. 



Stones River (Ord. ). Minneapolis, Minnesota. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XII, 1890, p. 1S9, figs. 

 14, 1 ja-e; Geol. and Nat. Hist. Surv. Minn., Final Rept., 



III, Pt. I. 1893, p. iSS, pi. 3, figs. 13, 14. 



43639. Arthrostylus obliquus Ulrich. Holotj^pe. 



Stones River (Ord.). Minneapolis, Minnesota. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XII, 1S90, p. 190, figs. 

 I4c-d; Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, 

 Pt. I, 1S93, p. 188, pi. 3, figs. 15, 16. 



25499. Artipus ? receptus Scudder. Holotype. 



Older Tertiary. White River, Eastern Utah. 



Scudder, Mon. XXI, U. S. Geol. Surv., 1S93, p. 51, pi. 9, fig. 7. 



8576. Asaphiscus wheeleri Meek. Cotypes. 



15460. Middle Cambrian. Near Antelope Springs, Utah. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1873, P- 4 S 5> 

 (footnote). — White, Rept. U. S. Geogr. Surv. W. ioothMerid., 



IV, Pt. I, 1876, p. 43. pi. 2, figs, ia-if.— Walcott, Bull. No. 30, 

 U. S. Geol. Surv., 1886, p. 220, pi. 31, figs. 3, 3a. 



