TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 



207 



Plesiotypes. 



45786. Cyrtolites ornatus Conrad. 



L/orraine (Ord.). Cincinnati, Ohio. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 860, pi. 62, figs. 27, 28. 



45787. Cyrtolites ornatus minor Ulrich and Scofield. Holotype. 



Trenton (Ord.). Cannon Falls, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 861, pi. 62, figs. 30, 31. 



45788. Cyrtolites parvus Ulrich. Holotype. 



Trenton (Ord.). Covington, Kentucky. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 864, pi. 62, figs. 45-47- 



45789. Cyrtolites retrorsus Ulrich. Cotypes. 



45790. Trenton (Ord.). Hartsville, Tennessee, and one mile 



south of Burgin, Kentucky. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 861, pi. 62, figs. 32-37. 



45791. Cyrtolites retrorsus fillmorensis Ulrich and Scofield. 



Cotypes. 

 Black River (Ord.). Near Fountain, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, pi. 62, figs. 38, 39. 



17363. Cyrtolites sinuatus Hall and Whitfield. Holotype. 



Upper Pogonip (Ord.). Pogonip Mountain, White Pine 

 District, Nevada. 



Hall and Whitfield, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. II, 

 1877, p. 237, pi. 1, figs. 23-24. — Walcott, Mon. VIII, U. S. 

 Geol. Surv., 1884, p. 84. 



45792. Cyrtolites subplanus Ulrich. Cotypes. 



Trenton (Ord.). Nashville, Tennessee. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 862, pi. 62, figs. 40-44. 



45793. Cyrtolitina nitidula (Ulrich). Plesiotypes. 



Trenton (Ord.). Covington, Kentucky. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 866, pi. 62, figs. 53-55- 



See Cyrtolites nitidulus. 



41952. Cyrtometopus scofieldi Clarke. Holotype. 



Stones River (Ord.). Minneapolis, Minnesota. 



Clarke, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1894, p. 735, fig. 55. 



45794. Cyrtospira bicurvata Ulrich. Holotype. 



Stones River (Ord.). High Bridge, Kentucky. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 1074, pi. 81, figs. 21, 22. 



