TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 567 



1 13876. Ketusa (Cylichnina) duplinensis Dall. Holotype. 



Miocene. Natural Well, Duplin County, North Carolina. 



Dall, Proc. U. S. Nat. Mus., XVIII, 1895, p. 31; Trans. Wagner 

 Free Inst. Sci. Phila., Ill, Pt. VI, 1903, pi. 59, fig. 20. 



13152S. Retusa (Cylichnina) guercinensis Dall. Holotype. 



Alum Bluff (Oligocene). Oak Grove, Santa Rosa County, 

 Florida. 



Dall, Proc. U. S. Nat. Mus., XVIII, 1895, p. 31; Trans. Wagner 

 Free Inst. Sci. Phila., Ill, Pt. VI, 1903, pi. 59, fig. 17. 



1 13887. Retusa (Cylichnina) microtrema Dall. Holotype. 



Miocene. Natural Well, Duplin County, North Carolina. 



Dall, Proc. U. S. Nat. Mus., XVIII, 1895, p. 31; Trans. Wagner 

 Free Inst. Sci. Phila., Ill, Pt. VI, 1903, pi. 59, fig. 25. 



851 1. Retzia mormonii (Marcou). Plesiotypes. 



Upper Carboniferous. Near Santa Fe, New Mexico. 



White, Rept. U. S. Geogr. Surv. W. 100th. Merid., IV, Pt. I, 

 1876, p. 141, pi. 10, figs. 7a-7c. 



= Hustedia mormoni. 



6817. Retzia punctulifera Shumard. Plesiotypes. 



Upper Carboniferous. Rock Bluff, Missouri River, 

 Nebraska. 



Meek, Final Rept. U. S. Geol. Surv. Nebr. (Hayden), 1872, p. 

 181, pi. 1, fig. 13; pi. 5, fig. 8. 



= Hustedia mormoni. 



8227. Retzia woosteri White. Plastotype. 



Upper Carboniferous? Eighteen miles north of Greeley, 

 Colorado. 



White, Bull. No. 5, U. S. Geol. Surv. Terr., 1879, p. 215; Twelfth 

 Ann. Rept. U. S. Geol. Surv. Terr., 1880, p. 134, pi. 34, figs. 

 8a, 8b.— Girty, Prof. Paper No. 16, U. S. Geol. Surv., 1903, 

 p. 302, pi. 1, figs. 11, 11a. 



40772. Rhaphanocrinus sculptus Miller. Plesiotype. 



Richmond (Ord.). Waynesville, Ohio. 



Wachsmuth and Springer, N. A. Crinoidea Camerata., Mem. Mus. 

 Comp. Z06L, XXI, 1897, p. 260, pi. 11, fig. 3. 



See Glyptocrinus sculptus. 



1 58401. Rhectopsammia claibornensis Vaughan. Cotypes. 



158402. Claibornian (Eocene). Claiborne and Jackson, Alabama. 



Vaughan, Mon. XXXIX, U. S. Geol. Surv., 1900, p. 1S4, pi. 21, 

 figs. 11, 12. 



43708. Rhinidictya exigua Ulrich. Cotypes. 



Stones River (Ord.). Minneapolis, Minnesota. 



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

 1893, p. 131, pi. 8, figs. 6-10; Journ. Cincinnati Soc. Nat. Hist., 

 XII, 1890, p. 1S4, figs. 9, 9a-d. 



