298 SYNOPSIS OF AMERICAN FOSSIL KRACHIOPODA. [boll. 87. 



Orthothetes lens (White) — Continued. 



Orthothetcs lens Hall and Clarke, Pal. New York, VIII, Pt. I, 1S92, p. 256, pi. 



IIA, figs. 16-22. 

 Loc. Clarksville, etc., Missouri; Hamburg, Illinois; Medina County, Ohio (Win- 



chell). 



Orthothetes pandora (Billings). Upper Helderberg (Dev.). 



Stroptorhynchus pandora Billings, Canadian .Tour., V, 1860, p. 226, ligs. 12, 13; — 



Gcol. Canada, 1863, p. 36i), lig. 381.— Nicholson, Pal. Prov. Ontario, 1874, p. 70. 

 Strep torhynchus chemnngensis var. pandora Hall, Pal. New York, IV, 1867, p. 



68, pi. 4, ligs. 11-19; pi. 9, ligs. 18-25, 27;— Second Ann. Rep. N. Y. State 



Geol., 1883, pi. 40, iigs. 1-6. 

 Orthothetes chemnngensis var. pandora Hall and Clarke, Pal. New York, VIII, 



Pt. I, 1892, p. 255, pi. 9, fig. 30; pi. 10, figs. 1-6. 

 Loc, Schoharie, Knoxville, Clarksville, etc., New York; Cayuga, Ontario; 



Columbus, Ohio (Whitfield); Eureka district, Nevada. 



Orthothetes pravus Hall. (Clipper) Devonian. 



Orthis prava Hall, Geol. Survey Iowa, I, Pt. II, 1858, p. 490. 



Orthothetes prava Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 255, pi. 



llA, fig. 13. 

 Loc. Lime Creek, Worth County, Iowa. 



Orthothetes subplanus (Conrad). Niagara and L. Held. (Sil. and Dev.). 



Strophomeua subplaua Conrad, .lour. Acad. Nat. Sci., Philadelphia, VIII, 1842, 

 p. 258.— Hall, Geol. N. Y.; Kep. Fourth Diet., 1843, p. 104, fig. 1;— Twelfth 

 Rep. N. Y. State Cab. Nat. Hist., 1859, p. 82. 



Leptiena subplaua Hall, Pal. New York, II, 1852, p. 259, pi. 53, figs. 8-10.— Billings, 

 Canadian Nat. Geol., I, 1856, p. 138, pi. 2, figs. 16, 17. 



Strophomeua pecten Roemer, Die Sil. Fauna west. Tennessee, 1860, p. 67, pi. 5, 

 fig. 4. — Billings, Geol. Canada, 1863, p. 311, fig. 315; — Catalogue Silurian Fos- 

 sils of Anticosti, 1866, p. 40. 



Streptorhynchus (Strojihodonta) subplanus Hall, Geol. Survey Wisconsin, I, 

 1862, p. 436. 



Streptorhynchus subplanus Hall, Trans. Albany Institute, IV, 1863, p. 226; — 

 Sixteenth Rep. N. Y. State Cab. Nat. Hist., 1863, p. 63, figs. 1,2;— Twenty- 

 eighth Rep. N. Y. State Mus. Nat. Hist., 1879, p. 151, pi. 21, figs. 26-33;— 

 Eleventh Rep. State Geol. Indiana, 1882, p. 288, pi. 21, figs. 26-33 ;— Second 

 Ann. Rep. N. Y. State Geol., 1883, pi. 39, figs. 21-24 ; pi. 42, fig. 19.— Nettelroth, 

 Kentucky Fossil Shells, Mem, Kentucky Geol. Survey, 1889, p. 141, pi. 29, 

 figs. 11, 12.— Beecher and Clarke, Mem. N. Y. State Mus., I, 1889, p. 23, pi. 2, 

 figs. 14-20. 



Streptorhynchus bemiaster Wiuchell and Marcy, Mem. Boston Soc. Nat. Hist., I, 

 1865, p. 93, pi. 2, fig. 10.— Hall, Twentieth Rep. N. Y. State Cab. Nat. Hist., 

 1867, p. 392. 



Hemipronites subplanus Meek and Worthen, Geol. Survey Illinois, HI, 1868, 

 p. 349. 



Hemipronites propinquus Meek and Worthen, Ibidem, HI, 1868, p. 351, pi. 6, fig. 6. 



Orthothetes subplana Hall and Clarke, Pal. New York, VIII, Pt. 1, 1892, p. 255, 

 pi. 9, figs. 21-24; pi. 9A, fig. 19; pi. IIA, figs. 9-12. 



Loc. Lockport, Rochester, etc.. Now Y'ork; TlK)rold, Ontario; Waldron, Indiana; 

 Louisville, Kentucky; Thebes, Alexander Conntj% and Bridgeport, Illinois; 

 Pike County, Missouri ; Decatur County, Tennessee; Arisaig, Nova Scotia 

 (Ami) ; Anticosti. 



Orthothetes tapajotensis (Derby). Upper Carboniferous. 



Strejitorliynchus tapajotensis Derby, Bull. Cornell Univ., I, 1874, p. 37, pi. 5, 

 figs. 3, 6, 7, 9, 10; pi. 8. fig. 9. 



