310 SYNOPSIS OP AMERICAN FOSSIL BRACHIOPODA. [bull. 87. 



PlatystropMa laticosta IMeek — Coutiimed. 



Ortbis laticosta Miller, Ciucinuati Quart. Jonr. Sci., II, 1875, p. 27. 

 Platystropllia biforata var. laticosta Hall and Clarke, Pal. New York, VIII, Ft. 



i, 181)2, p. 223, pi. 515, ligs. 5-9 

 Loc. Cincinnati, etc., Obio. 



Platystrophia lynx (Eiclnvald). Lorraine (Ord.). 



Terebratula lynx Eicbwald, Skizze von Podolis, 1830, p. 202. 

 Deltbyris lynx (partini) Hall, Pal. New York, I, 1847, p. 1.33, pi. 32D, lig. 1.— 



Rogers, Geol. Pennsylvania, II, Pt. II, 1858, p. 820, lig. 016. 

 Ortbis (Platystropbia) biforata var. lynx Meek, Pal. Obio, I, 1873, p. 114, pi. 10, 



fig. 1.— Hall, Second Ann. Pep. N. Y. State Geol., 1883, pi. 35, iigs. 9, 10, 15. 

 Ortbis lynx (partim) Miller, Cincinnati Quart. .Jonr. Sci., II, 1875, p. 25. 

 Ortbis biforata Nicbolson, Pal. Province Ontario, 1875, p. 16, lig. 5. 

 Ortbis (Platystropbia) lynx Hall, Second Ann. Rep. N. Y. State Geol., 1883, pi. 



34, fig. 30. 

 Platystropbia biforata var. lynx Hall and Clarke, Pal. New York, VIII, Pt. I, 



1892, pp. 202, 223, pi. 5B, figs. 1-4. 

 Loc. Cincinnati, Obio, and elsewbere in tbe Obio Valley. 



Platystropllia regularis Slialer= Platystrophia biforata. 



PLECTAMBONITES Pander. Genotype P. planissima Pander. 



Plectaiubonites Pander, Beitrage zur Geognosie des Russ. Reicbes, 1830, p. 90, pi. 

 3, figs. 8, 16; pi. 28, fig. 19.— Hall and Clarke, Pal. New York, VIII, Pt. I, 



1892, pp. 236, 295.— Wincbell and Scbncbert, Minnesota Geol. Survey, III, 



1893, p. 413. — Hall and Clarke, Eleventb Ann. Rep. N. Y. State Geologist, 



1894, p. 290. 



Plectambonites area Shaler=Plectambonites transversalis. 

 Plectambonites gibbosus Winchell and Schuchert. Trenton (Ord.). 



Plectambonites gibbosa W. and S., American Geol., IX, 1892, p. 288; — Minnesota 

 Geol. Survey, HI, 1893, p. 416, pi. 32, figs. 13-17. 



Loc. M.antorville, Old Concord, and near Cannon Falls, Minnesota. 



Plectambonites glaber Slialer. Auticosti (Sil.). 



Plectambonites glaber Sbaler, Bull. Mus. Comp. Zool., 4, 1865, p. 64. 

 Lepttena glabra Foerste, Proc. Boston Soc. Nat. Hist., XXIV, 1890, p. 294. 

 Loc. Anticosti. 



Plectambonites plicatellus (TJlrich). TJtica (Ord.). 



Leptieua plicatella Ulricb, .Jour. Cincinnati Soc. Nat. Hist., I, 1879, p. 15, pi. 7, 



fig. 12. 

 Plectambonites plicatella Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 



15A, figs. 34, 35. 

 Loc. Cincinnati, Obio ; Covington, Kentucky. 



Plectambonites productus Hall and Clarke. Niagara (Sil.). 



Plectambonites producta Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, p. 



360, pi. 84, figs. 23-25. 

 Loc. Yellow Springs, Obio. 



Plectambonites sericeus (Sowerby). Trenton to Clinton (Ord.-Sil.). 



Leptaina sericea J. de C. Sowerby, Murcbison's Silurian System, 1839, pi. 19, figs. 

 1, 2.— Hall, Pal. New York, 1, 1847, pp. 110, 287, pi. 31B, fig. 2; pi. 79, fig. 3;— 

 Ibidem, II, 18.52, p. 59, pi. 21, fig. 1.— Billings, Canadian Nat, Geol., I, 1856, 

 p. 41, iig. 2.— Rogers, Geol. Pennsylvania, II, Pt. II, 18.58, p. 818, fig. 599.— Bill- 

 ings, Geol. Canada, 1863, p. 103, fig. 139.— Meek, Pal. Obio, I, 1873, j). 70, pi. 5, 

 fig. 3.— Miller, Cincinnati Quart. .Tour. Sci., II, 1875, p. 57.— Kayser, Pabe- 

 ontograpbica, Suppl., Ill, 1870, p. 21, pi. 3, fig. 19.— Hall, Second Ann. Rep. 



