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, Palseontographica, 40, 1894, p. 247. 



Canadian? (Levis?): Metis, Quebec. 



Protospongia tetraneina 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. 1-4, 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 slglllaroides Lesquereux. 



Protostigma eigillaroides 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. 



Protovlrgularia 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). 

 Plesioty pes. —Cat. No. 54253, U.S.N.M. 



Protowarthia 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. 

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



