TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 669 



46035. Trochonema ( Eunema ) robbinsi Ulrich and Scofield. 



Cotype. 

 Trenton (Ord.). Wykoff, Minnesota. 



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

 Ill, Pt. II, 1897, p. 1053, pi. 76, figs. 11-15. 



46036. Trochonema rugosum Ulrich and Scofield. Cotypes. 



Stones River (Ord.). Minneapolis, Minnesota. 



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

 III, Pt. II, 1897, p. 1049, pi. 77, figs. 19-22. 



46037. Trochonema (Eunema) salteri 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. 1053, pi. 77, figs. 42, 43. 



46038. Trochonema (Eunema) simile Ulrich and Scofield. Cotypes. 



Trenton (Ord.). Wykoff, Minnesota. 



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

 Ill, Pt. II, 1897, p. 1053. 



46039. Trochonema subcrassum Ulrich and Scofield. Cotypes. 



Trenton (Ord.). Mercer County, Kentucky. 



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

 Ill, Pt. II, 1897, p. 1051, pi. 77, figs. 30-34. 



46040. Trochonema umbilicatum (Hall). Plesiotypes. 



46041. Trenton (Ord.). Hader and Stewartville, Minnesota, 



46042. and near Galena, Illinois. 



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

 Ill, Pt. II, 1897, p. 1047, pi. 77, figs. 1-3. 



46043. Trochonema umbilicatum canadense Ulrich and Scofield. 



Holotype. 

 Black River (Ord.). Paquettes Rapids, Ottawa River, 

 Canada. 



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

 III, Pt. II, 1897, p. 1047, pi. 77, figs. 4-6. 



46044. Trochonema umbilicatum latum Ulrich and Scofield. 



Holotype. 

 Stones River (Ord.). Tennessee. 



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

 Ill, Pt. II, 1897, p. 1047, pi. 77, figs. 7, 8. 



46045. Trochonema vagrans Ulrich and Scofield. Cotype. 



Stones River (Ord.). Minneapolis, Minnesota. 



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

 Ill, Pt. II, 1897, p. 1049, pi. 77, fig. 46; pi. 78, figs. 10, 11. 



115618. Trochus decipiens Guppy. Holotype. 



115619. Pliocene. Matura, Trinidad, British West Indies. 



Guppy, Geol. Mag., London, Dec. II, I, 1874, p. 435, pi. iS, fig. 18. 



