TYPE SPECIMENS OE INVEKTEBKATE FOSSILS. 567 



113876. Ketusa (Cylichnina ) duplinensis Dall. Holotype. 



Miocene. Natural Well, Duplin County, North Carolina. 



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

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



131528. Retusa ( Cylichnina i guercinensis Dall. Holotype. 



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

 Florida. 



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

 Free Inst. vSci. Phila., Ill, Pt. \'I, 1903, pi. 59, flg. 17. 



1 13887. Retusa rCylichnina ) microtrema Dall. Holotype. 



Miocene. Natural Well, Duplin Count>', North Carolina. 



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

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



851 1. Retzia mormonii (Marcou). Plesiotype.s. 



Upper Carboniferous. Near Santa Fe, New Mexico. 



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

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



= Hu.stedia niormoni. 



6817. Retzia punctulifera vShumard. Plesiotypes. 



Upper Carboniferotis. Rock Bluff, Mi.s.sottri River, 



Nebraska. 



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

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



= Hustedia niormoni. 



8227. Retzia woosteri White. Plastotype. 



Upper Carboniferous? I{ighteen miles north of Greeley, 

 Colorado. 



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

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

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

 p. 302, pi. I, figs. II, iia. 



40772. Rhaphanocrinus sculptus Miller. Plesiotype. 



Richmond (Ord.). Waynesville, Ohio. 



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

 Conip. Z06I., XXI, 1897, p. 260, pi. II, fig. 3. 



See Glj'ptocrinus sculptus. 



' 158401. Rhectopsammia claibornensis \\aughan. Cotypes. 



158402. Claibornian (Kocenej. Claiborne and Jack.son, Alabama. 



Vaughan, Mon. XXXIX, U. S. Geol. Surv., 1900, p. 184, pi. 21, 

 figs. II, 12. 



43708. Rhinidictya exigua Ulricli. Cotypes. 



Stones River (Ord.). Minneapolis, Minnesota. 



Ulrich, Geol. and Nat. IIi.st. Surv. Minn., Final Rej)!., Ill, Pt. I, 

 1893, p. 131, pi. 8, figs. 6-iu; Journ. Cincinnati Soc. Nat. IIi.st., 

 XII, 1890, p. 184, figs. 9, 9a-d. 



