BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 815 



Modiolopsls 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 FAB A Hall. See Colpomya faba and C. faba pusilla. 



Modiolopsis fabseformis Raymond. 



Modiolopsis fabseformis 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, 3896, 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, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 72, pi. 



2, figs. 10-12. 

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



Modiolopsis jersey ensis Weller. 



Modiolopsis' jerseyensis Weller, Geol. Surv. New Jersey, Pal., 3, 1903, 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. lOa, 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.C&t. 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, 13. 



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

 Cotypes.C&t. 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. 



