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



Trematospira dubia (IJilliiigs). Lower Ilelderberg (Dev.). 



Retzia dubia Hillings, Proc. Portland Soc. Nat. Hist., I, 1863, p. 113, pi. 3, fig. 10. 

 Trcuiatospira dubia Hall aud Clarke, Pal. New York, VIII, Pt. II, 1893, )). 126, 



pi. ■!<>, iigs. 15, 16. 

 Loc. Square Lake, Maine. 



Trematospira equistriata TIall aud Clarke. Lower Helderberg- (Dev.). 

 Trematospira equistriata Hall and Clarke, Pal. New York, VIII, Pt. II, 189.5, 



pi. 49, fig. 47. 

 Loc. Cumberland, Maryland. 



Trematospira gibbosa Ifall. Harailtou (Dev.). 



Trematospira gibbosa Hall, Thirteenth Rep. N. Y. State Cab. Nat. Hist., 1860, 



p. 82;— Pal. New York, IV, 1867, p. 272, pi. 4.5, figs. 7-15.— Hall and Clarke, 



Pal. New York, VIII, Pt. II, 1895, pi. 49, figs. 23-27. 

 Loc. Bellona, York, and Darien, New York. 



Trematospira heleua ]Srettelroth=EliyDcbospira heleiia. 



Trematospira hippolyte (Billings). Lower Helderberg (Dev.). 



Retzia hippolyte Billings, Proc. Portland Soc. Nat. Hist., 1863, p. 112, pi. 13, fig. 9. 

 Trematospira hippolyte Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 



126, pi. 49, figs. 7, 8. 

 Loc. Square Lake, Maine. 



Trematospira hirsuta Hall=Parazyga hirsuta. 

 Trematospira imbricata Hall=Atrypina imbricata. 



Trematospira (?) liniuscula A. Winchell. Hamilton (Dev.). 



Trematospira ? liniuscula A. Winchell, Rep. Lower Peninsula Michigan, 1866, 



p. 94. 

 Loc. Grand Traverse region, Michigan. 



Trematospira niattliewsoni McGliesney=Atrypa marginalis. 



Trematospira maria (Billings). Lower Helderberg (Dev.). 



Retzia raaria Billings, Proc. Portland Soc. Nat. Hist., 1863, p. 112, pi. 3, fig. 8. 

 Trematospira niaria Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 126, 



pi. 49, fig. 21. 

 Loc. Square Lake, Maine. 



Trematospira multistriata Hall. Lower Helderberg (Dev.). 



Spirifer multistriata Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, p. 59, 

 figs. 1-6. 



Trematospira multistriata Hall, Pal. New York, III, 1859, p. 209, pi. 24, fig. 3; 

 pi. 28A, fig. 5;— I1)idem, IV, 1867, p. 276, figs. 1-3.— Hall and Clajke, PaL 

 New York, VIII, Pt. II, 1893, p. 126, fig. 110, pi. 49, figs. 9-14. 



Eetzia multistriata Billings, Geol. Canada, 1863, p. 958, fig. 458. 



Loc. Schoharie, New York. 



Trematospira uobilis Hall=Cyclorliina uobilis. 



Trematospira perforata Hall. Lower Helderberg (Dev.). 



Spirifer ? perforata Hall, Tenth Rep. N. Y, State Cab. Nat. Hist., 1857, p. 60. 

 Trematospira perforata Hall, Pal. New York, III, 1859, p. 208, pi. 28A, fig. 3;— 

 Ibidem, IV, 1867, p. 276.— Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, 

 pi. 49, figs. 5, 6. 

 Loc. Albany and Schoharie counties and Hudson, New York. 



Trematospira simplex Hall. Lower Helderberg (Dev.). 



Trematospira simplex Hall, Pal. New York, III, 1859, p. 211, pi. 28A, fig. 2,— Hall 



and Clarke, Pal. New York, VIII, Pt. II, 1895, pi. 49, figs. 17, 18. 

 Loc. Decatur County, Tennessee. 



