1280 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Trematis(l) dyeri Miller. 



Trematis dyeri Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 347, fig. 39; N. A. 



Geol. Pal., p. 385, fig. 628. Hall and Clarke, Pal. New York, 8, pt. 1, 1892, 



p. 142. 

 Maysville (Fairmount) : Cincinnati, Ohio. 



TREMATIS FILOSA Billings. See Schizocrania filosa. 



Trematis fragills Ulrich. 



Trematis fragilis Ulrich, Amer. Geol., 4, 1889, p. 21; 3, p. 378, fig. 6. Hall and 



Clarke, Pal. New York, 8, pt. 1, 1892, p. 142, pi. 4G, fig. 14. Foerste, Bull. 



Sci. Lab. Denison Univ., 16, 1910, p. 38, pi. 5, figs. 2-4. 

 Trematis punctostriata Hall and Whitfield (not Hall, 1873), Pal. Ohio, 2, 1873, p. 



70, pi. 1, figs. 8, 9. 

 Trenton (upper) : West Covington, Kentucky. 



Trematis huronemsis Billings. 



Trematis Huronensis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 53, 



fig. 59 (adv. sheets, 1862); Geol. Canada, 1863, p. 159, fig. 130. Lesley, Geol. 



Surv. Pennsylvania, Rep. P 4, 1889, p. 1198, figs. ?Winchell and Schuchert, 



Geol. Minnesota, 3, 1893, p. 368, fig. 29. 

 Productella minneapolis Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 



332, pi. 4, figs. 11, 12. 

 Black River: Pallideau Islands, Lake Huron; Minneapolis, Minnesota. 



Trematis millepimctata Hall. 



Trematis millepunctata Hall, Desc. New Species Crin. and Other Foss., 1866, p. 

 14; 24th Rep. New York State Cab. Nat. Hist., 1872, p. 221, pi. 7, figs. 22-25. 

 Hall and Whitfield, Pal. Ohio, 2, 1875, p. 70, pi. 1, figs. 4-7. Miller, Cincin- 

 nati Quart. Jour. Sci., 2, 1875, p. 16; N. A. Geol. Pal., 1889, p. 385, fig. 629. 

 Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1199, figs. Huene, 

 Verh. d. Russ. Kais. Min. Ges. St. Petersburg, 36, 1899, p. 336, fig. 8. Hall, 

 and Clarke, Pal. New York, 8, pt. 1, 1892, p. 139, pi. 4G, figs. 4-10. Raymond, 

 Ann. Carnegie Mus., 3, 1904, p. 86, fig. 4. Grabau and Shimer, N. A. Index 

 Fossils, 1, 1907, p. 202, figs. 235a, b, d. Cumings, 32d Ann. Rep. Dep. Geol. 

 Nat. Res. Indiana, 1908, p. 943, pi. 34, figs. 9, 9c. 



Eden-Richmond: Cincinnati, Ohio, and vicinity. 

 Observation. See T. quincuncialis and T. reticularis for probable synonyms. 



Trematis montrealensis Billings. 



Trematis Montrealensis Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 52, 



fig. 57 (adv. sheets, 1862); Geol. Canada, 1863, p. 159, fig. 128. Lesley, Geol. 



Surv. Pennsylvania, Rep. P 4, 1890, p. 1199, fig. 

 Trenton: Montreal, Quebec. 



Trematis oblata Ulrich. 



Trematis oblata Ulrich, Amer. Geol., 4, 1889, p. 23; 3, p. 378, fig. 9. Hall and 



Clarke, Pal. New York, 8, pt. 1, 1892, p. 142, pi. 4G, fig. 20. 

 Maysville (Fairmount) : Cincinnati, Ohio. 

 Cotype and plastotype. Cat. Nos. 451991, 45200, U.S.N.M. 



Trematis ottawaensis Billings. 



Trematis Ottawaensis Billings, Geol. Surv. Canada, Pal. Foss., 1, 1865, p. 53, fig. 

 58 (adv. sheets, 1862); Geol. Canada, 1863, p. 159, fig. 129; Cat. Sil. Foss. 

 Anticosti, 1866, p. 11. Lesley, Geol. Surv. Pennsylvania, Rep., P 4, 1890, 

 p. 1199, fig. Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 139, pi. 4G, 



