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



Trematospira dubia (Billings). Lower TTelderberg (Dev.). 



Kctzia (lubiu lUUings, Proc. Portland Soc. Nat. Hist., I, 1863, p. 113, pi. 3, fig. 10. 

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



pi. 49, figs. 15, 16. 

 Loc. Square Lake, Maine. 



Trematospira equistriata Tlall and Clarke. Lower Helderberg (Dev.). 

 Tremato.spira equistriata Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, 



pi. 49, fig. 47. 

 Loc. Cumberland, Maryland. 



Trematospira gibbosa Hall. Hamilton (Dev.). 



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

 p. 82;— Pal. New York, IV, 1867, p. 272, pi. 45, figs. 7-15.— Hall and Clarke, 

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



Loc. Belloua, York, and Darien, New York. 



Trematospira helena Netteliotli=Rhynchospira helena. 



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 birsiita Hall=Parazyga liirsuta. 

 Trematospira imbricata Hall=Atrypiiia imbricata. 



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



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



p. 94. 

 Loc. Grand Traverse region, Michigan. 



Trematospira mattliewsoni McCliesney=Atrypa marginalis. 



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



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

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



pi. 49, fig. 21. 

 iof. 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;— Ibidem, IV, 1867, p. 276, figs. 1-3.— Hall and Clarke, Pal. 

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

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

 Loc. Schoharie, New York. 

 Trematospira iiobilis Hall=Cyclorhiiia iiobilis. 

 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 founties 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. 



