NUCULA. 175 



Family NUCULIMl, /. E. Gray. 

 Genus Nucula, Lamarck, 1799. 



Multiarticulate cockle, Tire, 1793. Nat. Hist, of Rutherglen, p. 310. 

 Nucula, Soiverby, 1824. Min. Conch., vol. v, p. 117. 



— (pars), Fleming, 1828. Hist. Brit. Anim., p. 403. 



— — Phillips, 1836. Geo!. Torks., pt. 2, p. 210. 



— — J. de C. Sowerby, 1840. Geol. Coalbrookdale, Trans. Geo). Soc, 



ser. 2, vol. v, explanation of pi. xxxix. 



— Eichwald, 1S40. Bull. Acad. Imp. Sci. St. Petersbourg, vol. vii, p. 10. 



— Phillips, 1841. Palaeozoic Foss., p. 38. 



— (pars), Morris, 1843. Cat. Brit. Foss., p. 93. 



— — PortlocJc, 1843. Bep. Geol. Londonderry, p. 439. 



— — M'Coy, 1844. Synopsis Carb. Foss. Ireland, p. 69. 



— — de Verneuil, 1845. Geol. Bussia, p. 311. 



— de Verneuil, 1846. Bull. Soc. geol. France, tome iii, p. 455. 



— King, 1849. Permian Fossils, p. 175. 



— Brown, 1849. Illust. Foss. Conchology, p. 187. 

 Cypbicaedia (pars), d'Orbigny, 1850, Prodrome Paleontol., p. 129. 

 Leda (pars), de Bycklwlt, 1853. Melanges Paleontol., pt. 2, p. 148. 

 Nucula (pars), M'Coy, 1855. Brit. Pal. Foss., p. 511. 



— Eichwald, 1856. Bull. Soc. Imp. Nat. Moscou, vol. xxix, part 2, p. 132. 



— Stevens, 1858. Amer. Journ. of Science, ser. 2, vol. xxv, p. 262. 



— Hall, 1858. Bep. Geol. Surv. Iowa, vol. i, pt. 2, p. 715. 



— Eichioald, 1860. Letkaea Bossica, periode ancienne, p. 991. 



— Oeinitz, 1861. Carbon. Dyas Nebraska, p. 67. 



Non — Wardle, 1862. In Sleigh's Ancient Hist. Leek, p. 285. 



— Winchell, 1862. Proc. Acad. Nat. Sci. Phil., pp. 417, 418. 



— — 1863. Ibid., p. 16. 



— Baily, 1864. Mem. Geol. Surv. Ireland, Expl. of Sheets 192 and 199. 

 Ctenodonta, Salter, 1864. Mem. Geol. Surv. Gt. Brit., Geol. Country round 



Oldham, p. 65. 

 — — 1866. Mem. Geol. Surv. Gt. Brit., Geology Country round 



Stockport, Macclesfield, and Leek, pp. 92, 93. 

 Nucula, Young and Armstrong, 1871. Trans. Geol. Soc. Glasgow, vol. iii, 



Appendix, p. 53, pub. separately 1876. 



— Meek, 1872. Final Bep. Geol. Nebraska, p. 204. 



— Boemer, 1876. Letkaea Geognostica, pt. i, Litb. Palseont. Atlas, 



pi. xliv, fig. 13. 



