BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1301 



Trochonema (Eunema) cerithioides (Salter). 



Eunema cerithioides Salter, Geol. Surv. Canada, Org. Rem., dec. 1, p. 30. — 

 Billings, ibid., Geol. Canada, 1863, p. 145, fig. 89a, b.; ibid., Pal. Fossils, L, 

 1865, p. 35, fig. 36 (adv. sheets, 1862).— Miller, N. A. Geol. Pal., 1889, p. 403, 

 fig. 674. 



Black River (Leray): Pauquettes Rapids, Ottawa River, Canada. 



Trochonema? (Eunema) clivosa (Sardeson). 



Pleurotomaria clivosa Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 337, 



pi. 6, fig. 9. 

 Trochonema? (Eunema) clivosa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 



1897, p. 1054 (gen. ref.). 

 Black River (Decorah): Minneapolis, Minnesota. 



Trochonema dlspar Raymond. 



Trochonema dispar Raymond, Amer. Jour. Sci., 4th eer., 20, 1905, p. 378; Ann. 



Carnegie Mus., 4, pi. 53, figs. 7, 8. 

 Chazyan (Crown Point, Valcour): Valcour Island and Chazy, New York. 



Trochonema (Gyronema) duplicatum Grabau and Shimer. See Gyronema dupli- 

 catum. 



Trochonema eccentricum Ulrich. 



Trochonema eccentricum Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1049, pi. 77, 

 figs. 17, 18.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 198. 

 Stones River (Lebanon): Near Lebanon, Tennessee. 

 ?Trenton: Reindeer Island, Lake Winnipeg. 

 Holotype— Cat. No. 46077, U.S.N.M. 



Trochonema (Eunema) epitome (Hudson). 



Eunema epitome Hudson, Bull. New York State Mus., 80, 1905, p. 290, pi. 4, 



figs. 6, 7. — Raymond, Ann. Carnegie Mus., 4, 1908, p. 208. 

 Chazyan (Valcour): Valcour Island, New York. 



Trochonema (Eunema) erigone (Billings). 



Eunema Erigone Billings, Geol. Surv. Canada, Pal. Fossils, 1, 1865, p. 35, fig. 37 



(adv. sheets, 1862); ibid., Geol. Canada, 1863, p. 180, fig. 171. 

 Black River: Near L'Original, Canada. 



Trochonema exile Whitfield. 



Trochonema exile Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 57, pi. 9, 



figs. 1, 2. — Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1890, p. 1230, figs. — 



Sardeson, Jour. Geol., 11, 1903, p. 481, fig. 22. 

 Canadian (Beekmantown): Beekmantown, New York. 



Trochonema fatuum (Hall). 



Trochonema (Eunema) fatua Hall, 20th Rep. New York State Cab. Hist., 1868, 



p. 345, pi. 15 (6), figs. 7, 8; rev. ed., 1870, p. 394, pi. 15, figs. 7, 8. 

 Trochonema fatua Nettelroth, Kentucky Foss. Shells, Geol. Surv. Kentucky, 



1889, p. 189. 

 Trochonema cf. fatuum Clarke and Ruedemann, Mem. New York State Mus., 5, 



1903, p. 75, pi. 10, fig. 5. 

 Niagaran: Racine and Greenfield, Wisconsin (Racine); Shelby, New York 



(Guelph); Louisville, Kentucky (Louisville). 



Trochonema fragile Ulrich and Scofield. 



Trochonema fragile Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1050, 



pi. 77, figs. 13-16. 

 Trenton (Prosser): Goodhue County, Minnesota; Carroll County, Illinois. 

 Cotypes— Cat. Nos. 46028, 46029, U.S.N.M. 



