948 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



PATTERSONIA Miller. Genotype: P. difficilis Miller. 



Pattersonia Miller, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 43. — Jamee, J. F., 



ibid., 9, 1886, pp. 246, 247; 14, 1891, pp. 68, 69.— Miller, N. A. Geol. Pal., 



1889, p. 163.— Rauff, Palseontographica, 40, 1894, p. 267. 

 Strobilospongia Beecher, Mem. Peabody Mus., Yale University, 2, 1889, p. 14. 



(Genotype: S. tuberosa Beecher.) 

 Chirospongia Miller, N. A. Geol. Pal., 1889, p. 156. — J. F. James, Jour. Cincinnati 



Soc. Nat. Hist., 14, 1891, p. 65. (Genotype: 0. wenti Miller.) 



Pattersonia aurita (Beecher). 



Strobilospongia aurita Beecher, Mem. Peabody Mus., Yale Univ., 2, 1889, p. 28, 



pi. 5, fig. 1. 

 Pattersonia aurita Miller, N. A. Geol. Pal., 1889, p. 163 (gen. ref.).— Rauff, Palse- 



ontographica, 40, 1894, p. 271. 

 Chirospongia wenti Miller, N. A. Geol. Pal., 1889, p. 157, fig. 98. 

 Trenton (Bigby): Benson Creek, Franklin County, Kentucky. 



Pattersonia difficilis Miller. 



Pattersonia difficilis Miller, Jour, Cincinnati Soc. Nat. Hist., 5, 1882, p. 43, pi. 2, 



figs. 3, 3a.— James, J. F., ibid., 9, 1886, p. 247; 14, 1891, p. 69.— Miller, N. A. 



Geol. Pal., 1889, p. 163, fig. 118.— Rauff, Palseontographica, 40, 1894, p. 268, 



pi. 6, figs. 17-20. 

 Maysville (Corryville) : Cincinnati, Ohio. 

 Plesiotijpe.— Cat. No. 46565, U.S.N.M. 



Pattersonia tuberosa (Beecher). 



Strobilospongia tuberosa Beecher, Mem. Peabody Mus., Yale Univ., 2, 1889, 



p. 26, pi. 5, fig. 5; pi. 6, 3-7. 

 Pattersonia tuberosa Miller, N. A. Geol. Pal., 1889, p. 163 (gen. ref.). — James, 



J. F., Jour. Cincinnati Soc. Nat. Hist., 14, pt. 1, 1891, p. 69.— Rauff, Palae- 



ontographica, 40, 1894, p. 269, fig. 51. 

 Maysville (Bellevue): Turners Station, Kentucky. 



Pattersonia ulrichi Rauff. 



Pattersonia Ulrichi Rauff , Palseontographica, 40, 1894, p. 271, pi. 6, figs. 21-25. 

 Maysville (Corryville) : Cincinnati, Ohio. 

 Holotype.— Cat. No. 46566, U.S.N.M. 



PELAGIELLA Matthew. Genotype: Cyrtolites atlantoides Matthew. 



Pelagiella Matthew, Trans. New York Acad. Sci., 14, 1895, p. 131.— Miller, N. A. 

 Geol. Pal., 2d App., 1897, p. 769. 



Pelagiella hoyti (Walcott). 



Platyceras hoyti Walcott, Proc. U. S. Nat. Mus., 13, 1890, p. 268, pi. 20, fig. 8.— 



Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 668, fig. 

 Pelagiella hoyti Walcott, Smiths. Misc. Coll., 57, 1912, p. 266, pi. 41, fig. 17. 

 Upper Cambrian or Ozarkian (Hoyt): Near Saratoga Springs, New York. 

 Holotype.— Cat. No. 23846, U.S.N.M. 



Pelagiella ininutissima (Walcott). 



Platyceras minutissimum Walcott, 32d Rep. New York State Mus. Nat. Hist., 



1879, p. 129.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 671, figs. 

 Pelagiella minutissima Walcott, Smiths. Misc. Coll., 57, 1912, p. 266, pi. 41, figs. 



15, 16. 

 Upper Cambrian or Ozarkian (Hoyt): Near Saratoga Springs, New York. 

 Plesiotypes.— Cat. Nos. 58551, 58552, U.S.N.M. 



