486 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Endymionia meeki (Billings). 



Endymion meeki Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 94, fig. 84 



(adv. sheets, 1862). 

 Endymionia meeki Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 281. 



Miller, N. A. Geol. Pal., 1889, p. 547, fig. 1006. 

 Canadian: Point Levis, Quebec (Levis, Diplograptus dentatus zone); Table 



Head, PistoletBay, etc., Newfoundland (Quebec-N, P). 



ENOPLEURA Wetherby. See Ateleocystites Billings. 



ENOPLEURA BALANOIDES Wetherby. See Ateleocystites balanoides. 



ENOPLEURA CRUSTACEA Bather. See Ateleocystites balanoides. 



ENTEROLASMA Simpson. Genotype: Streptelasma strictum Hall. 



Enterolasma Simpson, Bull. New York State Mus., 39, 1900, p. 203. Grabau, 

 Bull. New York State Mus., 45, 1901, p. 136; Bull. Buffalo Soc. Nat. Sci., 7, 

 1901, p. 136. 



Enterolasma caliculum (Hall). 



Streptelasma calicula Hall, Pal. New York, 2, 1852, p. Ill, pi. 32, fig. la-k. 



Lambe, Contr. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 113, pi. 7, 



figs. 4a-c. 

 Petraia calicula Billings, Geol. Surv. Canada, Geol. Canada, 1863, p. 308, fig. 310. 



Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 627, fig. 

 Cyathophyllum? caliculum Foerste, Geol. Surv. Ohio, Pal., 7, 1893, p. 601, pi. 



34, fig. 8. 

 Enterolasma caliculus Grabau, Bull. New York State Mus., 45, 1901, p. 137, fig. 



29; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 137, fig. 29. 

 Streptelasma (Enterolasma) caliculum Grabau and Shimer, N. A. Index Fossils, 1, 



1906, p. 56, fig. 76g, 77. 

 Enterolasma cf. caliculus Clarke and Ruedemann, Mem. New York State Mus., 5, 



1903, p. 24, pi. 1, fig. 1, 

 Silurian (Cataract-Guelph) : Rochester, Lockport, etc., New York; Grimsby, 



etc., Ontario; Lake Temiscaming, Quebec; Wisconsin, Ohio, Tennessee, 



Alabama, etc. 



Enterolasma geometricum (Foerste). 



Streptelasma calicula var. geometricus Foerste, Proc. Boston Soc. Nat. Hist., 24, 



1890, p. 345, pi. 9, figs. 7, 12, 13. 

 Streptelasma? geometricum Foerste, Geol. Surv. Ohio, Pal., 7, 1893, p. 601, pi. 



34, figs. 7, 12, 13. 

 Upper Medinan (Brassfield) : Near Dayton and Todds Fork; near Wilmington, 



Ohio. 



Enterolasma waynense (Safford). 



Petraia Waynensis Safford, Geol. Tennessee, 1869, pp. 314, 320, pi. 5 (H), figs. 



2a-h. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, p. 628, figs. 

 Streptelasma waynense Miller, N. A. Geol. Pal., 1889, p. 205 (gen. ref.). 

 Enterolasma waynense Simpson, Bull. New York State Mus., 39, 1900, p. 204, 



figs. 13-15. 



Enterolasma (Petraia) waynense Foerste, Jour. Geol., 11, 1903, p. 713 (loc. occ.). 

 Niagaran (Brownsport) : Wayne, Decatur, and Perry Counties, Tennessee. 



ENTOMIS Jones. Genotype: E. tuberosa Jones. 



Entomis Jones, Mem. Geol. Surv. Great Britain, Expl. Map 32, Scotland, 1861, 



p. 137. Miller, N. A. Geol. Pal., 1st App., 1892, p. 707. Ulrich, Zittel- 



