BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 479 



Encrinurus punctatus Foerste. See Encrinurus thresheri and E. omatus. 



Encrinurus raricostatus Walcott. 



Encrinmiis excedrinus Safford, Geol. Tennessee, 1869, p. 290 (nom. mid.)- 

 Encrinurus raricostatus Walcott, 31st Rep. New York State Mus. Nat. Hist., 1880 



(adv. sheets, 1877), p. 69. — Safford and Vogdes, Proc. Acad. Nat. Sci. 



Philadelphia, 1889, p. 167, text fig.— Clarke, Geol. Minnesota, 3, pt. 2, 1890, 



p. 740.— Wliiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 128. 

 Cryptonymus raricostatus Vogdes, Mon. Genera Zethus, etc., 1878, p. 27. 

 Black River: Mineral Point, Beloit, and Janesvllle, Wisconsin (Platteville); 



Manitoba. 



Encrinurus rarus (Walcott). 



Ceraurus rarua W^alcott, 3l8t Rep. New York State Mus. Nat. Hist., 1880 (adv. 



sheets, 1877), p. 68. 

 Ceraurus (Cyrtometopus) rarus Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 738. 

 Encrinurus rarus Raymond and Barton, Bull. Mus. Comp. Zool., 54, 1913, p. 541, 



pi. 2, fig. 3. 

 Black River (Platteville): Beloit, Wisconsin. 

 Observation. — See E. vannulus Clarke. 



Encrinurus thresher! Foerste. 



Encrinurus thresheri Foerste, Bull. Sci. Lab. Denison Univ., 2, 1887, p. 101, 



pi. 8, fig. 26. 

 Encrinurus punctatus Foerste, Geol. Surv. Ohio, 7, 1893, p. 531, pi. 27, fig. 26. 

 Upper Medinan (Brassfield): Dayton, Ohio; Hanover, Indiana. 



Encrinurus trentonensis Walcott. 



Encrinums trentonensis Walcott, 31st Rep. New York State Mua. Nat. Hist., 1880 



(adv. sheets, 1877), p. 68.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 



202, pi. 15, figs. 26, 27.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p, 



314. 

 Cryptonymus trentonensis Vogdes, Mon. Genera Zethus, etc., 1878, p. 28. 

 Black River: Clifton, W'isconsin; Dunleith, Illinois. 

 Trenton: Jacksonburg, New Jersey. 



Encrinurus tuberculifrons Weller. 



Encrinurus tuberculifrons Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, 



pt. 2, 1907, p. 259, pi. 24, figs. 12-13. 

 Niagaran (Racine): Near Joliet, IlUnois. 



Encrinurus tuborculosus Collie. 



Encrinurus tuberculosis Collie, Br.ll. Geol. Soc. Amer., 14, 1903, p. 418, pi. 59, fig. 3. 

 Trenton: Belief onte, Pennsylvania. 



Encrinurus vannulus Clarke. 



Encrinums vannulus Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 739, figs. 56, 57. 

 Black River (Platteville): Janesville and Beloit, Wisconsin. 

 Cofype.— Cat. No. 41954, U.S.N. M. 

 Observation. — Probably the same as E. rarus Walcott. 



Encrinurus vigilans (Hall). 



Ceraurus vigilans Hall, Pal. New York, 1, 1847, p. 245, pi. 65, figs. 2a-h. — Emmons, 



Amer. Geology, 1, pt. 2, 1855, p. 217, pi. 15, figs. 2a-c. 

 Cryptonymus vigilans Vogdes, Mon. Genera Zethus, etc., 1878, p. 29, pi. 2, figs. 



2a-2h. 



