452 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [bull. 87. 



Trematis huronensis Billings. Black River (Ord.). 



Trematis huroueusis Billings, Pal. Fossils, I, 1862, p. 53, fig. 59 on p. 52; — Geol. 



Canada, 1863, p. 159, lig. 130. 

 Prodnctella minueapolis Sardeson, Bull. Minnesota Acad. Nat. Sci., Ill, 1892, p. 



332, pi. 1, figs. 11, 12. 

 Trematis huronensis? Winchell and Schucliert, Minnesota Geol. Survey, III, 



li93, p. 368, fig. 29. 

 Loc. Pallideau Islands, Lake Huron; Minneapolis, Minnesota. 



Trematis millepunctata Hall. Utica aud Lorraine (Ord.). 



Trematis millepunctata Hall, Description u. sp. Crinoidea and other Fossils, 

 1866, p. 14;— Twenty-fourth Rep. N. Y. State Cab, Nat. Hist., 1872, p. 221, 

 pi. 7, figs. 22-25.— Hall and Whitfield, Pal. Ohio, II, 1875, p. 70, pi. 1, figs. 

 4-7. — Miller, Cincinnati Quart. Jour. Sci., II, 1875, p. 16. — Hall and Clarke, 

 Pal. NeTT Y^ork, VIII, Pt. I, 1892, p. 139, pi. 4G, figs. 4-10. 



Loc. Cincinnati, Ohio. 



Ohs. See T. quincuncialis and T. reticularis. 



Trematis montrealensis Billings. Trenton (Ord.). 



Trematis montrealensis Billings, Pal. Fossils, 1, 1862., p. 52, fig. 57; — Geol. Canada, 



1863, p. 159, fig. 128. 

 Loc. Montreal, Canada. 



Trematis oblata Ulrich. Utica and Lorraine (Ord.). 



Trematis punctostriata Hall and Whitfield (nou Hall, 1873), Pal. Ohio, II, 1875, 



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

 Trematis oblata Ulrich, American Geologist, IV, 1889, p. 23; III, p. 378, fig. 9. — 



Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 142, pi. 4G, tig. 20. 

 Loc. Cincinnati, Ohio. 



Trematis ottawaensis Billings. Trenton and Lorraine (Ord.). 



Trematis ottawaensis Billings, Pal. Fossils, I, 1862, p. 53, fig. 58 on p. 52; — Geol. 

 Canada, 1863, p. 159, fig. 129;— Cat. Sil. Fossils Anticosti, 1866, p. 11.— Hall 

 and Clarke, Pal. New Y^ork, VIII, Pt. I, 1892, p. 139, pi. 4G, figs. 15-17.— Win- 

 chell and Schuchert, Minnesota Geol. Survey, III, 1893, p. 369, fig. 30. 



Loc. Ottawa, Canada; Anticosti; Trenton Falls, New York; Frankfort, Ken- 

 tucky; St. Paul, Minnesota. 



Trematis"? pannulns Wliite=Iphidea pannulus. 

 Trematis punctostriata Hall and Whitfield =T. oblata. 



Trematis punctistriata Hall. Lorraine (Ord.). 



Trematis punctostriata Hall, Twenty-third Rep. N. Y. State Cab. Nat. Hist., 1873, 



p. 243, pi. 13, figs. 17, 18.— Hall and Clarke, Pal. New York, VIII, Pt. I, 



1892, p. 142, pi. 4G, figs. 11-13 (?3). 

 Loc. Clifton, Tennessee. 



Trematis (?) pustulosa Hall. Lorraine (Ord.). 



Trematis? pustulosa Hall, Descrip. n. sp. Crinoidea and other Fossils, 1866, p. 



15;— Twenty- fourth Rep. N. Y. State Cab. Nat. Hist., 1872, p. 222. 

 Loc. Near Horicon, Wisconsin. 



Trematis quincuncialis Miller and Dyer. Lorraine (Ord.). 



Trematis quincuncialis Miller and Dyer, Cont. to Pal., II, 1878, p. 8, pi. 3, fig. 9. 

 Loc. Lebanon, Ohio. 



Ohs. Seems to be only a variety of T. millepunctata occurring at a higher 

 horizon. 



