282 BRITISH SILURIAN BRACHIOPODA. 



LEPTiENA EUGOSA et L. DEPEESSA, Dalman. Vet. Akad. Handl., p. 106 — 107, pl.i, 



figs. 1 and 2, 1828. 



— — — Klvden. Verst. Brandenb., p. 180, 1834. 

 Strophomena rugosa, Bronn. Letlifea Geog., p. 87, pi. ii, fig. 8, 1835. 

 Productus depresstjs, De/rance. Diet. Sciences Nat., vol. xlvii, p. 353. 



— — Deshayes. Second edit, of Lamarck's Anim. s. Vert., vol. vii, 



p. 380, 1836. 

 Lept^na rugosa et L. depressa, Hisinger. Lethaea Suecica, p. 69, pi. xx, fig. 



2-3, 1837. 



— — Fischer de Waldheim. Oryct. Gouv. Moscow, p. 143, 1837. 

 Strophomena rugosa, Fon Buck. Ueber Delth., p. 70, 1837; Mem. See. Geol. 



France, vol. iv, p. 220, pi. xii, fig. 24, 1840. 

 LEPT.aENA DEPEESSA, /. de C. Sow. Sil. Syst., pp. G23 and 636, pi. xii, fig. 2, 1839. 



— TENUisTEiATA, Sow. Id., p. 636, pi. xxii, fig. 2 a, 1839 (not Orthis, id., 



J. de C. Sow.). 



— UEPRESSA, d'Eichw. Letbsea Rossica, periode anc, vol. i, p. 867, 1859. 



— EUGOSA, Phil. Palseoz. foss. Cornwall, &c., p. 57, pi. 24, fig. 95, 1841. 

 Orthis — UEichw. Sil. Syst. in Estbl., p. 162, 1840. 



Lept^ena depressa, De Koninck. Foss. Garb. Belg., p. 215, p. 12, figs. 3 — 6; pi. 13, 



fig. 6, 1842. 

 Strophomena depressa, Fanvxem. Geol. Rep. Third District N. York, p. 79, fig. 5, 1842. 



— undulata, Id. lb., p. 139, fig. 3. 

 Orthis depressa, Portlock. Geol. Londonderry, &c., p. 450, 1843. 

 Strophomena, — Hull. Geol. Report Fourth District New York, p. 77, fig. 5 ; p. 104, 



fig. 2, 1843. 

 Orthis rugosa, C. F. Rbmer. Rhein. Ueberg., pp. 85 and 90, 1844. 

 Lept^na depressa, De Ferneuil. Geol. Russia, vol. ii, p. 234, pi. xv, fig. 7, 1845. 



— — Dav. London Geo!. Journ., p. 54, pi. xii, figs. 12 — 16, 1847 ; and 



Bull. Soc. Geol. France, ser. 2, vol. v, p. 316, pi. iii, fig. 3, 1848. 

 Strophomena tenuistrfata, Hall. Pal. New York, vol. i, p. 108, pi. xxxi a, fig. 4, 



1847. 

 Lept^na depressa, Barraiide. Sil. Brach. Bolieme, vol. ii, p. 82, pi. xxii, figs. 4 — 9, 



1848. 



— — Phillips and Salter. Mem. Geol. Surv., vol. ii, p. 283, 1848. 

 Productus Twamleyii, Dav. Bull. Soc. Geol, France, scr. 2, vol. v, p. 315, pi. iii, 



fig. 1, 1848. 

 Oethis depressa, Quenstedt. Handb. Petref., p. 488, pi. xxxvii, fig. 20, 1851. 

 Lept^na — Hall. Pal. New York, vol. ii, pp. 62 and 257, pi. xxi, fig. 8, and 



pi. liii, fig. 6, 1852. 

 Left. (Septagonia) depressa, M'Coy. Brit. Pal. Foss., p. 248, 1852. 

 Strophomena depressa vel ehomboidalis, Dav. General Lit., pi. viii, figs. 165 — 174, 



1853. 



— — S. EUGOSA, et S. tenuistuiata, Schmidt. Sil. Form. Ehstl., 



Archiv. Nat. Liv.- Ehst.- 

 und Kurlands, vol. ii, p. 

 216, 1858. 



— — et S. tenuistriata, Salter. Siluria, 3rd edit., p. 20, fig. 20, 



and pi. V, fig. 15, 1859. 



