XXX 
SYNOPSIS OF GENERA. 
1849. Fhacop.’t (partim), Salter. Mem. Geol. Surv. United Kingdom. 
1849. Phacops (partim), McCoy. Ann. Mag. Nat. Hist. 
1849. Dahnannia, Salter. Mem. Geol. Surv. United Kingdom. 
1850. Odontochile, McCoy. Ann. and Mag. Nat. Hist. 
1850. Phacops, the Brothers Sandbbrger. Veist. d. Rhein. Seh. Syst. 
1851. Odontochile, McCoy Synop. Pal. Foss. Woodwardian Mus. 
1851. Phacops, Hall. Foster and Whitney’s Kept. Geol. Lake Sup. 
1852. Palmarda, Dalmanites, Barrande. Syst. Sil. Boheme, vol. i. 
1852. P7?ae(^p.9, Angelin. Palfeontologia Suecica. 
1852. Balmania, Hall. Pal. N. Y., vol. ii. 
18.52. Phacops, F. A. Rcbmer. Beitr. ii znr Harzgeb. 
1853. Phacops, Salter. Mem. Geol. Survey, Decade vii. ' ' ‘ 
1855. Phacops, F. A. Rcembr. Beiti-. iii zur Harzgeb. 
1855. Balmania, Siiumard. Rept. Geol. Surv. Missouri. 
1858. Balmania, Giebel. Silur. Fauna Unterharz. 
1858. Phacops, Asaplms, Bigsby. Quart. Jour. Geol. Soc., vol. xiv. 
1859. Balmania, Hall. Pal. N. Y., vol. iii. 
1860. Balmania, Hall. Canadian Naturalist and Geologist. 
1860. Balmania, Billings. Canadian Naturalist and Geologist. 
1861. Balmanites, Hall. Ann. Rept. Geol. Surv. Wisconsin. 
1861. Balmania, Hall. Descr. New Species Fossils. 
1862. Balmania, Hellmann. Die Peti-efacten Thiiringens. 
1862. Balmania, Hall. Fifteenth Rept. N. Y. State Cab. Nat. Hist. 
1862. Phacops (partim), McCoy. Synops. Silur. Foss. Ireland. 
1863. Balmania, Billings. Dev. and Silur. Foss. Square Lake, Maine. 
1863. Balmania, Hall. Transactions Albany Institute. 
1864. Phacops (Odontochile), Salter. Monogr. Brit. Trilobites. 
1865. Balmania, Meek and Worthen. Proc. Acad. Nat. Sci. Phil. 
1867. Balmania, Hall. Twentieth Rept. N. Y. State Cab. Nat. Hist. 
1868. Balmanites, Dewalqub. Prodrom. d’une Descrip, g^olog de Belgique. 
1868. Balmanites, Meek and Worthen. Geol. Surv. HI., vol. iii. 
1869. Balmania, Haidenhain. Zeitschr. der deutsch. geol. Gesellschaft. 
1869. Phacops, Linnaesson. Vestergoth camb. och. silur. Atlag. 
1871. Balmanites, Meek. Proc. Acad. Nat. Sci. Phil. 
1872. Balmanites, Barrande. Syst. Sil. BohSme., vol. i, Suppl. 
1872. Balmanites, Meek. Am. Jour. Science. 
1873. Balmanites, Meek. Geol. Surv. Ohio, Palseont. vol. i. 
1874. Phacops (partim), Stkinhardt. Die bis jetzt in preuss. Geschieb. gef. Trilobiten. 
1875. Balmania, Hartt and Rathbun. Ann. Lyc. Nat. Hist. 
1875. Balmania, Hall and Whitfield. Geol. Surv. Ohio, Palseont. vol. ii. 
1876. Balmania, C. F. Rcembr. Lethsea palseozoica. 
1876. Balmanites, Hall. Twenty-eighth Rept. N. Y. State Mus. Nat. Hist. 
1876. Balmanites, Hall. Illustrations of Devonian Fossils. 
1876. Balmanites, Barrett. Am. Journ. Science. 
1877. Balmanites, Meek. Geol. Expl. Fortieth parallel. 
1878. Balmanites, Kayser. Fauna d. selt. Devon.-Ablag. Harz. 
1878. Phacops, Angelin. Palaeontol. Scandinav. 
1879. Balmanites, Novak. Stndien an Hypostoinen, i. 
1879. Balmanites, Walcott. Thirty-first. Rept. N. Y. State Mus. Nat. Hist. 
1880. Balmanites, Kayser. Zeitschr. d. deutsch. geol. Gesellschaft. 
1881. Balmanites, Schmidt. Revision Ostbalt. silur. Ti-ilob. 
1881. Balmanites, Meneghini. Roy. Academia dei Lincei 
