BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 815 



Modiolopsis expansa Branson. 



Modiolopsis expansa Branson, Trans. Acad. Sci. St. Louis, 18, No. 4, 1909, p. 42, 



pi. 7, figs. 5, 6. 

 Black River (Auburn — Decorah): Lincoln County, Missouri. 



Modiolopsis faba Hall. See Colpomya faba and C. fabapusilla. 



Modiolopsis fabaeformis Raymond. 



Modiolopsis fabaeformis Raymond, Amer. Jour. Sci. (4), 20, 1905, p. 374. — Whit- 

 eaves, Ottawa Nat., 22, 1908, p. 110, pi. 3, figs. 7-9. 



Chazyan: Valcour Island, New York (Valcour); Hogback, near Ottawa, Ontario 

 (Aylmer). 



Modiolopsis faberi Miller. 



Modiolopsis faberi Miller, N. A. Geol. Pal., 1889, p. 490, fig. 852, 853. 

 Maysville (Fairmount): Cincinnati, Ohio. 



Modiolopsis fountainensis Sardeson. 



Modiolopsis fountainensis Sardeson, Bull Minnesota Acad. Nat. Sci., 4, 1890, p. 



71, pi. 4, fig. 7. 

 St. Peter: Below Fountain, Minnesota. 



Modiolopsis Gesneri Billings. See Endodesmagesneri. 



Modiolopsis gibba Miller. See Modiolodon? gibbus. 



Modiolopsis gregalis Sardeson. 



Modiolopsis gregalis Sardeson, Bidl.Minnesota Acad. Nat. Sri., 4, 189G, p. 72, pi. 



2, figs. 10-12. 

 St. Peter: South St. Paul and Daytons Bluff, Minnesota. 



Modiolopsis jerseyensis Weller. 



Modiolopsis jerseyensis Weller, Geol. Surv. New Jersey, Pal., 3, ]903, p. 170, pi. 

 11, fig. 9. 



Black River (Jacksonburg) : Jacksonburg, New Jersey. 



Modiolopsis lata Hall. 



Modiolopsis latus Hall, Pal. New York, 1, 1847, p. 160, pi. 35, figs. 10a, b. 



Cypricardites latus Miller, N. A. Geol. Pal., 1889, p. 477 (gen. ref.). 



Palaearca lata Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 71 (gen. 



ref.). 

 Trenton: Watertown, New York. 



Modiolopsis leightoni Williams. 



Modiolopsis leightoni Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 346, pi. 31, 



figs. 7-10. 

 Silurian (Pembroke): Leighton Cove, Washington County, Maine. 

 Cotypes — Cat. No. 58974, U.S.N.M. 



Modiolopsis leightoni quadrata Williams. 



Modiolopsis leightoni var. quadrata Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 



347, pi. 31, figs. 12, 1:5. 

 Silurian (Pembroke): Leighton Cove, Washington County, Maine. 

 Cotypes— Cat. No. 58975, U.S.N.M. 



Modiolopsis litoralis Sardeson. 



Modiolopsis litoralis Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 72, 



pi. 2, figs. 13-16. 

 St. Peter: South St. Paul and Highland Park, Minnesota. 



