250 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



15305. Ethmophyllum rensselaericum (Ford). Plesiotype. 



Lower Cambrian. Troy, New York. 



Walcott, Bull. No. 30, U. S. Geol. Surv., 1S86, p. 85, pi. 5, figs, 

 i-ie. 



= Archaeocyathellus rensselaericum. 



15307. Ethmophyllum whitneyi Meek. Corype. 



Lower Cambrian. Silver Peak, Nevada. 



Meek, Amer. Journ. Sci. (2), XLV, 1868, p. 62.— Walcott, Bull. 

 No. 30, U. S. Geol. Surv., 1S86, p. 81, pi. 4, figs, i-ic, if, 

 ig; Tenth Ann. Rept. U. S. Geol. Surv., 1890, p. 601, pi. 55, 

 figs. i-ie. 



See Ethmophyllum gracile. 



38169. Etoblattina accubita Scudder. Holotype. 



Lower Permian. Cassville, West Virginia. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1895, p. 88, pi. 7, fig. 2. 



38185. Etoblattina angusta Scudder. Holotype. 



Lower Permian. Cassville, West Virginia. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1S95, p. 100, pi. S, fig. 8. 



38195. Etoblattina aperta Scudder. Holotype. 



Lower Cambrian. Cassville, West Virginia. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1895, p. 80, pi. 5, fig. 9. 



38082. Etoblattina arcta Scudder. Holotype. 



Lower Permian. Cassville, West Virginia. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1895, p. 97, pi. 8, fig. 5. 



38188. Etoblattina communis Scudder. Cotypes. 



Lower Permian. Cassville, West Virginia. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1S95, p. 93, pi. 7, 

 figs. 10-17. 



38090. Etoblattina deanensis Scudder. Cotypes. 



Coal Measures. Forest of Dean, Gloucester, England. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1S95, p. 34, pi. 12, 

 figs. 1, 3. 



3S197. Etoblattina debilis Scudder. Cotypes. 



Lower Permian. Cassville, West Virginia. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1895, p. 71, pi. 4, fig. S. 



38194. Etoblattina defossa Scudder. Holotype. 



Lower Permian. Cassville, West Virginia. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1S95, p. 10S, pi. 9, fig. 12. 



34. Etoblattina detecta Scudder. Cotypes. 



Lower Permian. Cassville, West Virginia. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1895, p. 75, pi. 4, 

 figs. 12, 13. 



