514 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Euomphalus galtensls Whiteaves. 



Euomphalus galtensis Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, 



p. 21, pi. 3, figs. 9, 9a; ibid., pt. 2, 1895, p. 85. 

 Niagaran (Guelph): Gait, Hespeler, and Durham, Ontario. 



EUOMPHALUS GYROCERAS Roemer. See Eccyliomphalus gyroceras. 

 EUOMPHALUS HEMISPHERICUS Hall. See Diaphorostoma hemisphericum. 



Euomphalus inornatus (Whiteaves). 



Trochonema inornatum Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, 



p. 19, pi. 3, fig. 7. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 



1230, fig. 

 Euomphalus inornatus Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 



85, pi. 13, fig. 1. 

 Niagaran (Guelph): Elora and Durham, Ontario. 



EUOMPHALUS MACLURII Troost. See Maclurites magnus. 

 EUOMPHALUS MACROLINEATUS Whitfield. See Poleumita macrolineata. 

 EUOMPHALUS MICHLERANUS Hall. See Eccyliopterus? michleranus. 

 EUOMPHALUS MINNESOTENSIS Miller. See Raphistoma minnesotense. 



Euomphalus? minutissimus Castelnau. 



Euomphalus? minutissimus Castelnau, Essai Syst. Sil. 1'Amerique Septent, 1843, 



p. 35, pi. 11, fig. 9. 

 Ordovician?: Trenton, New York. 



Observation. Not recognized. Probably internal cast of some small shell. 



EUOMPHALUS (STRAPAROLLUS?) MOPSUS Whitfield. See Straparollus mopsus. 

 EUOMPHALUS PEPINENSIS Meek. See Raphistoma pepinensis. 

 EUOMPHALUS PERKINSI Whitfield. See Eccyliomphalus perkinsi. 



Euomphalus pervetus (Conrad). Not recognized. 



Inachus pervetus Conrad, Proc. Acad. Nat. Sci., Philadelphia, 1843, p. 334. 

 Euomphalus pervetus Miller, N. A. Geol. Pal., 1889, p. 404. 

 Lead-bearing limestone: Mineral Point, Wisconsin. 



EUOMPHALUS PERVETUSTUS Hall. See Euconia? pervetusta. 

 EUOMPHALUS POLYGYRATUS Roemer. See Polygyrata polygyratus. 

 EUOMPHALUS (RAPHISTOMA) ROTULIFORMIS Meek. See Polygyrata rotuliformis. 



EUOMPHALUS (CYCLONEMA) RUG.ELINEATA Hall and Whitfield. See Poleumita 

 rugilineata. 



EUOMPHALUS SANCTISAB.E Roemer. See Straparollus sanctisabse. 

 EUOMPHALUS SINUATUS Hall. See Straparollus sinuatus. 

 EUOMPHALUS STRONGI Whitfield. See Sinuopea strongi. 

 EUOMPHALUS SULCATUS Hall. See Poleumita? sulcata. 



Euomphalus triliratus Conrad. Not recognized. 



Euomphalus triliratus Conrad, Proc. Acad. Nat. Sci. Philadelphia, 1, 1843, p. 333. 

 Trenton: Mineral Point, Wisconsin. 



