BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 381 



Dalmanella inultlsecta— Continued. 



Dalmanella multisecta Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 207- 



224.— Cumings, Amer. Geol., 28, 1901, p. 374.— Foerste, Bull. Sci. Lab. 



Denison Univ., 14, 1909, p. 217.— Bassler, Bull. Virginia Geol. Surv., 2a, 



1909, pi. 14, figa. 4-6. 

 Eden: Cincinnati, Ohio, and vicinity; Maryland; Virginia; East Tennessee; 



Albany County, New York (Indian Ladder). 



Dalmanella perveta Hall and Clarke. See Pianodema subasqiiata and P. sub- 

 sequata perveta. 



Dalmanella? plicipera Schuchert. See Leptaena incrassata. 



Dalmanella porrecta (Sardeson). 



Orthis porrecta Sardeson, Amer. Geol., 19, 1897, p. 104, pi. 5, figs. 19-24. 

 Dalmanella testudinaria porrecta Schuchert, Bull. U. S. Geol. Surv., 87, 1897, 



p. 205. 

 Richmond (Maquoketa) : Near Granger, Minnesota. 



Dalmanella postelegantula Weller. 



Dalmanella postelegantula Weller, Geol. Sui-v. New Jersey, Pal., 3, 1903, p. 232, 



• pi. 20, figs. 21-24. 



Helderbergian (Decker Ferry): Two miles south of Tristates, New York. 



Dalmanella rogata (Sardeson). 



Orthis rogata Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 331, pi. 5, 



figs. 1-4; Amer. Geol., 19, 1897, p. 95, pi. 4, figs. 1-10. 

 Orthis (Dalmanella) testudinaria Hall, Pal. New York, 8, pt. 1, 1892, pi. 5B, 



figs. 27 to 31.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 441, pi. 



33, figs. 17-22. 

 Black River and Trenton: St. Paul, etc., Minnesota; Iowa and Wisconsin. 



Dalmanella? ruida (Billings). 



Orthis ruida Billings, Cat. Sil. Fossils of Anticosti, 1866, p. 42. 

 Gamachian (Ellis Bay): Gamache Baj', Anticosti. 



Dalmanella smithi (Clarke). 



Orthis (Dalmanella) smithi Clarke, ArchivosMus. Nac. Rio de Janeiro, 10, author's 



Eng. ed., 1900, p. 11, pi. 1, figs. 12-16. 

 Silurian: Rio Trombetas, Brazil. 



Dalmanella stonensis Hall and Clarke. See Pianodema stonensis. 



Dalmanella sub^quata Hall and Clarke. See Pianodema subsequata. 



Dalmanella sub^quata var. pervetus Ruedemann. See Pianodema subsequata 

 perveta. 



Dalmanella tersa (Sardeson). 



Orthis tersus Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 331, pi. 5, 



figs. 11-13; Amer. Geol., 19, 1897, p. 100, pi. 5, figs. 8-13. 

 Dalmanella tersa Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 204. 

 Richmond (Fernvale): Wilmington, Illinois; Tennessee. 



Dalmanella testudinaria (Dalraan). 



Orthis testudinaria Dalman, Kongl. Svenska Vet.-Akad. Handl., 1828, p. 115, pi. 

 2, fig. 4. — Conrad, Ann. Rep. Geol. Surv. New York, 1839, p. 63.— Emmons, 

 Geol. New York, Rep. 2d Dist., 1842, p. 404, fig. 4.— Hall, Pal. New York, 1, 

 1847, p. 117, pi. 32, fig. 1; p. 288, pi. 79, fig. 4.— Emmons, Amer. Geol., 1, 



