362 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Cyrtodonta grandls luculenta (Sardeson). 



Cypricardites luculentus Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 



338, pi. 6, figs. 25, 26. 

 Cyrtodonta grandis var. luculenta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 549, 



pi. 40, figs. 13, 14. 

 Richmond (Maquoketa): Granger, Bristol, etc., Minnesota. 



Cyrtodonta halli (Nettelroth). 



Cypricardites halli Nettelroth, Kentucky Foss. Shells, Geol. Surv. Kentucky, 



1889, p. 206, pi. 34, figs. 1-6. 



Cyrtodonta halli Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 541 (gen. ref.). 

 Richmond: Oldham County, Kentucky. 

 CotypesCzt. No. 51342, U.S.N.M. 



Cyrtodonta? harrietta Billings. 



Cyrtodonta harrietta Billings, Pal. Foss., Geol. Surv. Canada, 1865, p. 149, fig. 



129 (adv. sheets, 1862); Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, 



p. 13 (loc. ref.). 



Cypricardites harrietta Miller, N. A. Geol. Pal., 1889, p. 476 (gen. ref.). 

 Richmond (English Head and Charleton): English Head, Anticosti. 



CYRTODONTA HAYNIANA Safford. See Vanuxemia hayniana. 

 CYRTODONTA HINDI Billings. See Whitella hindi. 



Cyrtodonta huronensis Billings. 



Cyrtodonta huronensis Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, 



p. 180, figs. 3, 4; Canadian Nat. Geol., 3, 1858, p. 432, figs. 3, 4; Geol. Canada, 



Geol. Surv. Canada, 1863, p. 147, figs. 102 a, b. Bassler, Bull. Virginia Geol. 



Surv., 2a, 1909, pi. 23, figs. 1-3. 

 Palsearca ventricosa Hall (not Hall, 1847), Pal. New York, 3, 1859, pp. 270, 271, 



figs. 1-3; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 10, figs. 1-3. 

 Cypricardites huronensis Miller, N. A. Geol. Pal., 1889, p. 476 (gen. ref.). 

 Cypricardites islandicus Hall in Miller, N. A. Geol. Pal., 1st ed., 1877, p. 189. 

 Cyrtodonta subovata Ulrich, Geol. Minnesota, 3, 1894, p. 536, pi. 39, figs. 28, 29, 



31-33?, 30, ?45. Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 410, 



fig. 528a-c. 



Cypricardites subovatus Miller, N. A. Geol. Pal., 2d App., 1897, p. 781 (gen. ref.). 

 Black River: Near Point Palladeau and St. Joseph Island, Lake Huron; Point 



Claire, island of Montreal, Canada; High Bridge, Kentucky; Tennessee and 



Virginia (Lowville); St. Paul and Cannon Falls, Minnesota (Decorah). 

 Pksiotypes.Cat. Nos. 46192, 46849, etc., U.S.N.M. (cotypes of C. subovata). 



CYRTODONTA HURONENSIS var. SUBCARINATA Chapman. See Cyrtodonta subcarinata. 



Cyrtodonta? insularis Billings. 



Cyrtodonta? insularis Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, 



p. 14. 



Cypricardites insularis Miller, N. A. Geol. Pal., 1889, p. 476 (gen. ref.). 

 Richmond (English Head): West End, Anticosti. 



Cyrtodonta janesvillensis Ulrich. 



Cyrtodonta janesvillensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 537, pi. 39, 



figs. 26, 27. 

 Black River (Platteville): Janesville and Beloit, Wisconsin. 



