1911] Teller, Fossils from the Palaeozoic Formations. 207 



Dalmanella subaequata pervetus (Conrad.) Trenton (Ord.) 



Orthis perveta, Proc. Acad. Nat. Sci., Phila., Conrad, 1843, Vol. 1, 



p. 333. 

 Orthis perveta, Pal. of N. Y., Hall, 1847, Vol. 1, p. 120, pi. 32, fig. 5. 

 Orthis media. Eighth Ann. Kept., Geol. of Minn., Winchell, 1880, 



p. 64. 

 Orthis lcussuba, Eighth Ann. Rept. Geol. of Minn., Winchell 1880, 



p. 65. 

 Dalmanella perveta. Pal. of N. Y., Hall and Clarke,. 1892, Vol. 8. 



Pt. 1, pi. 5c, fig. 12. 

 Orthis (Dalmanella.) subwquata, var. perveta Minn. Geol. Surv., 



Winchell and Schuchert, 1893, Vol. 3, p. 450, pi. 33, figs. 40-42. 

 Dalmanella subcequata, pervetus, U. S. Geol. Surv., Schuchert, 1897, 



Bull. 87, p. 203. 

 Locality — Mineral Point, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Dinobolus conradi Hall. Niagara (Sil.) 



Obolus conradi, Twentieth Ann. Rept. N. Y. State Cab. of Nat. 



Hist., Hall, 1867, p. 368, pi. 13, (4), figs. 1, 2. 

 Obolus (Trimerella ?) conradi, Geol. Surv. 111., Meek and Worthen, 



1868, p. 351, pi. 5, fig. 7. 

 Dinobolus conradi, Twenty-third Ann. Rept. N. Y. State Cab. of 



Nat. Hist., Hall, 1873, p. 247. 

 Dinobolus conradi, Pal. of New York, Hall and Clarke, 1892, Vol. 8, 



Pt. 1, p. 38, pi. 4B, figs. 13-24. 

 Locality — Racine, Wis. 

 Types— Am. Mus. of Nat. Hist. 



Dinobolus parvus Whitfield. Galena (Ord.) 



Geol. of Wis., Whitfield, 1882, Vol. 4, p. 347, pi. 27, figs. 8-10. 

 Locality— Whitewater, Wis. 

 Types — Whitewater High School. 



