1052 BULLETIN- 92, UNITED STATES NATIONAL MUSEUM. 



Protospongia mononema Dawson and Hinde. 



Protospongia mononema Dawson and Hinde, Trans. Roy. Soc. Canada, 7, sec. 4, 

 1890, p. 40, figs. 5-7, pi. 3, fig. 3. Dawson, ibid., 2d ser., 2, sec. 4, 1896, p. 103, 

 figs. 6-8, pi. 1, figs. 2, 3. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, 

 p. 781, figs. Rauff, Palseontographica, 40, 1894, p. 247, pi. 2, figs. 2, 3. 



Canadian? (Levis?): Metis, Quebec. 



Protospongia polynema Dawson and Hinde. 



Protospongia polynema Dawson and Hinde, Trans. Roy. Soc. Canada, 7, sec. 4, 

 1890, p. 42, figs. 11, 12, pi. 3, fig. 5. Dawson, ibid., 2d ser., 2, sec. 4, 1896, 

 p. 104, figs. 9, 10. Lesley, Geol. Surv. Pennsylvania Rep. P4, 1889, p. 782, 

 figs. Rauff, Palaeontographica, 40, 1894, p. 247. 



Canadian? (Levis?): Metis, Quebec. 



Protospongia tetranema Dawson. 



Protospongia tetranema Dawson, Canadian Rec. Sci., 3, 1888, p. 52, fig. 1. 

 Hinde, ibid., 1888, p. 63. Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1889, 

 p. 782, figs. Dawson and Hinde, Trans. Roy. Soc. Canada, 7, sec. 4, 1890, 

 pp. 37-39, figs. 1^, pi. 3, figs. 1, 2. Dawson, ibid., 2d ser., 2, sec. 4, 1896, 

 pp. 101-103, figs. 1-5, pi. 1, figs. 1, 4. Rauff, Palseontographica, 40, 1894, p. 

 246, pi. 1, figs. 19, 20. 



Canadian? (Levis?): Metis, Quebec. 



PROTOSTIGMA Lesquereux. Genotype: P. sigillarioides Lesquereux. 



Protostigma Lesquereux, Proc. Amer. Phil. Soc., 1877, p. 169. Miller, N. A. 

 Geol. Pal., 1889, p. 135. 



Protostigma sigillaroides Lesquereux. 



Protostigma sigillaroides Lesquereux, Proc. Amer. Phil. Soc., 17, 1877, p. 169; 

 pi. 1, figs. 7, 8. Miller, Proc. Davenport Acad. Sci., 2, 1878, p. 206. Saporta, 

 Le Mondes des Plantes, Appar. Homme, 1879, p. 167, figs. 4, 6. Lesquereux, 

 Chain of Life, 1880, p. 92, fig. 84b. Lesley; Geol. Surv. Pennsylvania, Rep. 

 P 4, 1889, p. 783, figs. 

 Eden (McMicken) and Richmond (Waynesville) : Cincinnati and Oregonia, 



Ohio. 



Observation. A second species is probably represented in the Richmond speci- 

 men, which may belong to the Glyptoceras section of Cyrtoceras. 



PROTOVIRGULARIA McCoy. Genotype: P. dichotoma McCoy. 



Protovirgularia McCoy, Ann. Mag. Nat. Hist., 6, 1850, p. 272. 



Protovirgularia dichotoma McCoy. 



Protovirgularia dichotoma McCoy, Ann. Mag. Nat. Hist., 6, 1850, p. 272; British 



Ass'n 20th Rep., 1851, p. 107; British Pal. Foss., 1853, p. 10, pi. IB, figs. 



11, 12. Malaise, Bull. Acad. Roy. Beige., 20, 1890, p. 447. Ruedemann, 



Mem. New York State Mus., 11, pt. 2, 1908, p. 243. 

 Middle Ordovician: England; Stockport, New York (Normanskill). 

 Plesiotypes.-^CsA. No. 54253, U.S.N.M. 



PHOTO WARTHIA Ulrich and Scofield. See Sinuites Koken. 



PROTOZEUGA Twenhofel. Genotype: Waldheimia mawii Davidson. 



Protozeuga Twenhofel in Savage, Bull. Geol. Surv. Illinois, 23, 1913, pp. 16, 51. 



Twenhofel, Bull. Victoria Mem. Mus., 3, 1914, p. 29. 

 WaJdheimia Davidson, Suppl. Sil. Foss. Brach., 1882, p. 76. 



