1034 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Primitiella ulrichi (Jones). 



Primitia ulrichi Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 6, pi. 4, figs. 



la-c; figs. 2, 3 var. 

 Primitiella ulrichi Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 647. 

 Trenton (Collingwood): Collingwood, Ontario. 



Primitiella unicornis (Ulrich). 



Leperditia unicornis Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 10, pi. 7, 



figs. 4, 4b. 

 Aparchites unicornis Ulrich, Geol. Surv. Canada, Cont. Micro-Pal., pt. 2, 1889, 



p. 50, pi. 9, fig. 11. 

 Primitia unicornis Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 7, pi. 4, 



figs. 8-13.— Chapman, Proc. Royal Soc. Victoria, n. s., 17, 1904, p. 306. 

 Primitiella unicornis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 647-649, pi. 43, 



figs. 75-77.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 2, 1895, p. 126 



(loc. occ). — Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 344, fig. 



1658j, k, k'.— Ruedemann, Bull. New York State Mus., 162, 1912, p. 121, pi. 9, 



figs. 13, 14— Bassler, Zittel-Eastman Textb. Pal., 1913, p. 738, fig. 1425a. 

 Eden (Fulton): Cincinnati, Ohio, and vicinity (identified probably erroneously 



from Stony Mountain, Manitoba, and from Victoria); Minnesota, New York, 



and Australia. 

 Eolotype.— Cat. No. 41467, U.S.N.M. 



Primitiella whitfleldi (Jones). 



Primitia, whitfleldi Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 9, pi. 3, 



figs. 24a, 24b. 

 Primitiella whitfleldi Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 647. 

 Eden (Fulton) : Cincinnati, Ohio, and vicinity. 



PRIONIODUS Pander. Genotype: P. elegans Pander. 



Prioniodus Pander, Mon. d. foss. Fische Sil. Syst., 1856, p. 28.— Miller, N. A. 

 Geol. Pal., 1889, p. 520.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1889, p, 

 150.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 244. 



Prioniodus dychei James. 



Prioniodus dychei James, Jour. Cincinnati Soc. Nat. Hist., 7, 1884, p. 147, pi. 7, 



figs. A, B. 

 Maysville (Corry ville) : Warren County, Ohio. 



Prioniodus elegans Pander. 



Prioniodus elegans Pander, Mon. foss. Fische Sil. Syst., 1856, p. 29, pi. 2, figs. 

 22, 23.— Hinde, Quart. Jour. Geol. Soc, London, 35, 1879, p. 358, pi. 15, fig. 

 10.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 244, fig. 1538d. 

 Cincinnatian (Pulaski): Garrison Common, near Toronto, Ontario. 



Prioniodus furcatus Hinde. 



Prioniodus furcatus Hinde, Quart. Jour. Geol. Soc. London, 35, 1879, p. 358, pi. 



15, fig. 13. 

 Cincinnatian (Pulaski): Garrison Common, near Toronto, Ontario. 



Prioniodus? politus Hinde. 



Prioniodus? politus Hinde, Quart. Jour. Geol. Soc. London, 35, 1879, p. 358, pi. 15, 



figs. 11, 12. 

 Cincinnatian (Pulaski) : Garrison Common and Don Valley, near Toronto, Ontario. 



